Slidell weather in October
In October, Slidell sees average daytime highs of 76°F and overnight lows near 65°F, with 3.4 in of rain across 7.6 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 80°F in the first days to 72°F by the end. The sky is clear or mostly clear about 56% of the time in October, and the air most often feels oppressive.
Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Slidell's 1st-clearest and 7th-windiest month. For the whole year in context, see Slidell's year-round climate.
- Daytime high
- 76°
- 6th warmest
- Overnight low
- 65°
- 7th coldest
- Rainfall
- 3.4 in
- 7.6 wet days
- Daylight
- 11 h 18 min
- 6:07 AM – 5:22 PM
- Cloud cover
- 40%
- 1st clearest
- Wind
- 8 mph
- 7th windiest
- Solar energy
- 4.31 kWh/m²
- Travel score
- 7.5
- out of 10
Slidell is city in St. Tammany Parish, Louisiana, United States.
- Density
- 32,119/km²
- people per km²
- Founded
- 1882
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 80°F in the first days to 72°F by the end.
A typical October day in Slidell reaches about 76°F in the afternoon and slips back to 65°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 82°F. Set against its neighbours, October runs about 7°F cooler than September and about 9°F warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 80 | 80 | 80 | 79 | 79 | 79 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 72 |
| Avg low (°F) | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 62 | 62 | 62 | 62 | 61 | 61 | 60 | 60 | 60 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 80 | 70 |
| 2 | 80 | 70 |
| 3 | 80 | 69 |
| 4 | 80 | 69 |
| 5 | 79 | 69 |
| 6 | 79 | 68 |
| 7 | 79 | 68 |
| 8 | 78 | 68 |
| 9 | 78 | 67 |
| 10 | 78 | 67 |
| 11 | 78 | 67 |
| 12 | 77 | 66 |
| 13 | 77 | 66 |
| 14 | 77 | 66 |
| 15 | 77 | 65 |
| 16 | 76 | 65 |
| 17 | 76 | 65 |
| 18 | 76 | 64 |
| 19 | 75 | 64 |
| 20 | 75 | 64 |
| 21 | 75 | 63 |
| 22 | 74 | 63 |
| 23 | 74 | 62 |
| 24 | 74 | 62 |
| 25 | 74 | 62 |
| 26 | 73 | 62 |
| 27 | 73 | 61 |
| 28 | 73 | 61 |
| 29 | 72 | 60 |
| 30 | 72 | 60 |
| 31 | 72 | 60 |
How October really feels in Slidell
Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Slidell weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 59° / 47° | 4.5 | 9.3 | 10.3 | 4.6 |
| Feb | 62° / 51° | 4.4 | 8.7 | 10.9 | 5.4 |
| Mar | 67° / 56° | 4.8 | 9.2 | 11.8 | 6.5 |
| Apr | 73° / 63° | 3.8 | 8.7 | 12.7 | 7.1 |
| May | 80° / 71° | 3.5 | 9.9 | 13.5 | 6.8 |
| Jun | 85° / 76° | 4.9 | 15 | 13.9 | 4.7 |
| Jul | 87° / 78° | 5.1 | 18.1 | 13.8 | 4.0 |
| Aug | 87° / 78° | 5.9 | 17.9 | 13.1 | 4.0 |
| Sep | 83° / 74° | 4.7 | 12.5 | 12.2 | 5.5 |
| Oct | 76° / 65° | 3.4 | 7.6 | 11.3 | 7.5 |
| Nov | 67° / 55° | 3.3 | 7 | 10.5 | 6.9 |
| Dec | 61° / 50° | 4.0 | 9.1 | 10.1 | 5.2 |
Cloud cover in October
The sky is clear or mostly clear about 56% of the time in October, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 32%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 65 | 65 |
| Cloudier (%) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 35 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 68 | 32 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 68 | 32 |
| 6 | 68 | 32 |
| 7 | 68 | 32 |
| 8 | 68 | 32 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 68 | 32 |
| 12 | 69 | 31 |
| 13 | 69 | 31 |
| 14 | 69 | 31 |
| 15 | 69 | 31 |
| 16 | 69 | 31 |
| 17 | 69 | 31 |
| 18 | 69 | 31 |
| 19 | 69 | 31 |
| 20 | 69 | 31 |
| 21 | 69 | 31 |
| 22 | 68 | 32 |
| 23 | 67 | 33 |
| 24 | 67 | 33 |
| 25 | 67 | 33 |
| 26 | 67 | 33 |
| 27 | 67 | 33 |
| 28 | 67 | 33 |
| 29 | 66 | 34 |
| 30 | 65 | 35 |
| 31 | 65 | 35 |
Chance of precipitation in October
Slidell gets around 3.4 in of rain over 7.6 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 28 |
| 3 | 27 |
| 4 | 27 |
| 5 | 27 |
| 6 | 26 |
| 7 | 26 |
| 8 | 26 |
| 9 | 26 |
| 10 | 25 |
| 11 | 25 |
| 12 | 25 |
| 13 | 24 |
| 14 | 24 |
| 15 | 24 |
| 16 | 23 |
| 17 | 23 |
| 18 | 23 |
| 19 | 23 |
| 20 | 23 |
| 21 | 23 |
| 22 | 23 |
| 23 | 23 |
| 24 | 23 |
| 25 | 23 |
| 26 | 24 |
| 27 | 24 |
| 28 | 24 |
| 29 | 24 |
| 30 | 24 |
| 31 | 24 |
Humidity in October
Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the oppressive band about 22% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 31 | 33 | 34 | 35 | 37 |
| Comfortable (%) | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Humid (%) | 12 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 |
| Muggy (%) | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 21 |
| Oppressive (%) | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 9 |
| Miserable (%) | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 8 | 11 | 12 | 22 | 36 | 10 |
| 2 | 9 | 12 | 13 | 22 | 35 | 9 |
| 3 | 9 | 12 | 14 | 22 | 34 | 9 |
| 4 | 10 | 13 | 14 | 22 | 33 | 8 |
| 5 | 10 | 13 | 15 | 22 | 32 | 8 |
| 6 | 10 | 13 | 16 | 22 | 31 | 8 |
| 7 | 11 | 13 | 17 | 23 | 30 | 7 |
| 8 | 11 | 13 | 17 | 23 | 28 | 7 |
| 9 | 12 | 14 | 18 | 23 | 27 | 7 |
| 10 | 12 | 14 | 18 | 23 | 26 | 6 |
| 11 | 13 | 15 | 19 | 23 | 25 | 6 |
| 12 | 14 | 15 | 19 | 22 | 24 | 5 |
| 13 | 15 | 16 | 19 | 22 | 23 | 5 |
| 14 | 16 | 16 | 20 | 22 | 22 | 4 |
| 15 | 17 | 17 | 20 | 22 | 21 | 4 |
| 16 | 18 | 17 | 20 | 21 | 20 | 3 |
| 17 | 19 | 17 | 20 | 21 | 20 | 3 |
| 18 | 20 | 17 | 20 | 21 | 19 | 3 |
| 19 | 21 | 17 | 20 | 20 | 18 | 2 |
| 20 | 23 | 17 | 20 | 20 | 18 | 2 |
| 21 | 24 | 17 | 20 | 20 | 17 | 2 |
| 22 | 25 | 17 | 20 | 20 | 16 | 2 |
| 23 | 26 | 17 | 19 | 20 | 16 | 1 |
| 24 | 28 | 17 | 19 | 20 | 15 | 1 |
| 25 | 29 | 17 | 19 | 20 | 14 | 1 |
| 26 | 30 | 16 | 18 | 21 | 13 | 1 |
| 27 | 31 | 16 | 18 | 21 | 12 | 1 |
| 28 | 33 | 16 | 18 | 21 | 12 | 1 |
| 29 | 34 | 16 | 17 | 22 | 11 | 1 |
| 30 | 35 | 16 | 17 | 22 | 10 | 1 |
| 31 | 37 | 16 | 16 | 21 | 9 | 0 |
Wind in October
Winds average 8 mph in October.
Across October, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 54 minutes over October. Sunrise moves from 5:57 AM to 6:18 AM, and sunset from 5:39 PM to 5:08 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 |
| Sunrise (AM) | 5:57 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:05 | 6:06 | 6:07 | 6:07 | 6:08 | 6:09 | 6:09 | 6:10 | 6:11 | 6:12 | 6:12 | 6:13 | 6:14 | 6:15 | 6:15 | 6:16 | 6:17 | 6:18 |
| Sunset (PM) | 5:39 | 5:38 | 5:37 | 5:36 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:28 | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:22 | 5:21 | 5:20 | 5:19 | 5:18 | 5:17 | 5:16 | 5:15 | 5:14 | 5:13 | 5:12 | 5:11 | 5:10 | 5:09 | 5:08 | 5:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 5:57 | 5:39 |
| 2 | 11.7 | 5:57 | 5:38 |
| 3 | 11.6 | 5:58 | 5:37 |
| 4 | 11.6 | 5:59 | 5:36 |
| 5 | 11.6 | 5:59 | 5:34 |
| 6 | 11.6 | 6:00 | 5:33 |
| 7 | 11.5 | 6:01 | 5:32 |
| 8 | 11.5 | 6:01 | 5:31 |
| 9 | 11.5 | 6:02 | 5:30 |
| 10 | 11.4 | 6:03 | 5:28 |
| 11 | 11.4 | 6:03 | 5:27 |
| 12 | 11.4 | 6:04 | 5:26 |
| 13 | 11.3 | 6:05 | 5:25 |
| 14 | 11.3 | 6:05 | 5:24 |
| 15 | 11.3 | 6:06 | 5:23 |
| 16 | 11.3 | 6:07 | 5:22 |
| 17 | 11.2 | 6:07 | 5:21 |
| 18 | 11.2 | 6:08 | 5:20 |
| 19 | 11.2 | 6:09 | 5:19 |
| 20 | 11.1 | 6:09 | 5:18 |
| 21 | 11.1 | 6:10 | 5:17 |
| 22 | 11.1 | 6:11 | 5:16 |
| 23 | 11.0 | 6:12 | 5:15 |
| 24 | 11.0 | 6:12 | 5:14 |
| 25 | 11.0 | 6:13 | 5:13 |
| 26 | 11.0 | 6:14 | 5:12 |
| 27 | 10.9 | 6:15 | 5:11 |
| 28 | 10.9 | 6:15 | 5:10 |
| 29 | 10.9 | 6:16 | 5:09 |
| 30 | 10.9 | 6:17 | 5:08 |
| 31 | 10.8 | 6:18 | 5:08 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.31 kWh/m².
For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.27 kWh/m² in May across the year — October's 4.31 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.6 | Bright |
| 4 | 4.6 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.5 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.3 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.0 | Bright |
| 27 | 4.0 | Bright |
| 28 | 4.0 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 3.9 | Moderate |
| 31 | 3.9 | Moderate |
Hazard calendar for Slidell
In October, Slidell sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Slidell sits in the Atlantic hurricane belt; the season peaks August–October.
Is October a good time to visit Slidell?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is one of the better times to visit Slidell for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Slidell in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Slidell sees daytime highs around 76°F and nights near 65°F. Worth packing: light clothes. About 8 days see rain.
Sea temperature near Slidell in October
The nearest coast averages about 75°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 12 mi away) is warmest in August at about 86°F and coldest in January near 57°F.
It's comfortable for a long swim from Apr 5 to Nov 10 — about 7.2 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 57 | 58 | 64 | 71 | 78 | 84 | 86 | 86 | 83 | 75 | 67 | 60 |
| Comfort | Bracing | Bracing | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 57 | Bracing |
| Feb | 58 | Bracing |
| Mar | 64 | Cool |
| Apr | 71 | Refreshing |
| May | 78 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 83 | Tropical |
| Oct | 75 | Warm |
| Nov | 67 | Cool |
| Dec | 60 | Cool |
UV index in Slidell in October
Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Slidell peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 6 | 10 | 10 | 10 | 10 | 9 | 8 | 6 | 5 | 4 |
| Level | Moderate | High | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 6 | High |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Slidell in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Slidell is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 10 | 10 | 13 | 18 | 22 | 17 | 11 | 8 | 8 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 10 | Good |
| May | 13 | Moderate |
| Jun | 18 | Moderate |
| Jul | 22 | Moderate |
| Aug | 17 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Slidell?
Slidell sits at 30.3°N, 89.8°W, 3 ft above sea level, in United States. The nearest listed city is Chalmette, 25 mi away.
Topography around Slidell
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Slidell.
Within 2 miles, the terrain around Slidell has only modest variations in elevation — a maximum elevation change of 62 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 118 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 423 ft.
The land around Slidell is covered by trees (56%) and artificial surfaces (25%) within 2 miles, trees (52%) and water (26%) within 10 miles, and trees (44%) and water (34%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Slidell (30.2752°, -89.7812°, elevation 3 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).