Slidell weather in June
In June, Slidell sees average daytime highs of 85°F and overnight lows near 76°F, with 4.9 in of rain across 15 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 85°F through the month. The sky is clear or mostly clear about 39% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 13 h 48 min at the start of June to 13 h 54 min by month's end. Set against the rest of the year, June is Slidell's 7th-clearest and 10th-windiest month. For the whole year in context, see Slidell's year-round climate.
- Daytime high
- 85°
- 3rd warmest
- Overnight low
- 76°
- 10th coldest
- Rainfall
- 4.9 in
- 15 wet days
- Daylight
- 13 h 54 min
- 5:01 AM – 6:58 PM
- Cloud cover
- 54%
- 7th clearest
- Wind
- 7 mph
- 10th windiest
- Solar energy
- 6.09 kWh/m²
- Travel score
- 4.7
- 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 June
Day-to-day highs hold fairly steady near 85°F through the month.
A typical June day in Slidell reaches about 85°F in the afternoon and slips back to 76°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 89°F. Set against its neighbours, June runs about 5°F warmer than May and about 2°F cooler than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 | 86 |
| Avg low (°F) | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 83 | 74 |
| 2 | 83 | 74 |
| 3 | 83 | 75 |
| 4 | 83 | 75 |
| 5 | 84 | 75 |
| 6 | 84 | 75 |
| 7 | 84 | 75 |
| 8 | 84 | 76 |
| 9 | 84 | 76 |
| 10 | 84 | 76 |
| 11 | 85 | 76 |
| 12 | 85 | 76 |
| 13 | 85 | 76 |
| 14 | 85 | 76 |
| 15 | 85 | 76 |
| 16 | 85 | 77 |
| 17 | 85 | 77 |
| 18 | 85 | 77 |
| 19 | 85 | 77 |
| 20 | 85 | 77 |
| 21 | 85 | 77 |
| 22 | 86 | 77 |
| 23 | 86 | 77 |
| 24 | 86 | 77 |
| 25 | 86 | 77 |
| 26 | 86 | 77 |
| 27 | 86 | 77 |
| 28 | 86 | 77 |
| 29 | 86 | 77 |
| 30 | 86 | 78 |
How June really feels in Slidell
Once humidity and wind are folded in, June averages 25 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Slidell weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-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 June
The sky is clear or mostly clear about 39% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 62 | 62 | 61 | 60 | 60 | 59 | 58 | 57 | 56 | 56 | 55 | 53 | 53 | 52 | 51 | 51 |
| Cloudier (%) | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 44 | 45 | 47 | 47 | 48 | 49 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 59 | 41 |
| 2 | 59 | 41 |
| 3 | 59 | 41 |
| 4 | 59 | 41 |
| 5 | 60 | 40 |
| 6 | 60 | 40 |
| 7 | 60 | 40 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 61 | 39 |
| 11 | 62 | 38 |
| 12 | 62 | 38 |
| 13 | 63 | 37 |
| 14 | 63 | 37 |
| 15 | 62 | 38 |
| 16 | 62 | 38 |
| 17 | 61 | 39 |
| 18 | 60 | 40 |
| 19 | 60 | 40 |
| 20 | 59 | 41 |
| 21 | 58 | 42 |
| 22 | 57 | 43 |
| 23 | 56 | 44 |
| 24 | 56 | 44 |
| 25 | 55 | 45 |
| 26 | 53 | 47 |
| 27 | 53 | 47 |
| 28 | 52 | 48 |
| 29 | 51 | 49 |
| 30 | 51 | 49 |
Chance of precipitation in June
Slidell gets around 4.9 in of rain over 15 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 50% and peaks near 54% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 46 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 54 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 46 |
| 2 | 47 |
| 3 | 48 |
| 4 | 48 |
| 5 | 49 |
| 6 | 49 |
| 7 | 49 |
| 8 | 49 |
| 9 | 49 |
| 10 | 49 |
| 11 | 49 |
| 12 | 49 |
| 13 | 49 |
| 14 | 49 |
| 15 | 49 |
| 16 | 49 |
| 17 | 49 |
| 18 | 49 |
| 19 | 50 |
| 20 | 50 |
| 21 | 51 |
| 22 | 51 |
| 23 | 51 |
| 24 | 52 |
| 25 | 52 |
| 26 | 52 |
| 27 | 53 |
| 28 | 53 |
| 29 | 54 |
| 30 | 54 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 97% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 |
| Oppressive (%) | 60 | 61 | 60 | 61 | 61 | 60 | 60 | 60 | 61 | 60 | 59 | 59 | 60 | 59 | 58 | 59 | 58 | 58 | 58 | 58 | 57 | 56 | 55 | 55 | 55 | 54 | 53 | 52 | 52 | 51 |
| Miserable (%) | 15 | 16 | 18 | 19 | 20 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 42 | 43 | 44 | 45 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 5 | 19 | 60 | 15 |
| 2 | 0 | 5 | 18 | 61 | 16 |
| 3 | 0 | 5 | 17 | 60 | 18 |
| 4 | 0 | 4 | 16 | 61 | 19 |
| 5 | 0 | 4 | 15 | 61 | 20 |
| 6 | 0 | 4 | 14 | 60 | 22 |
| 7 | 0 | 4 | 13 | 60 | 23 |
| 8 | 0 | 4 | 12 | 60 | 24 |
| 9 | 0 | 3 | 11 | 61 | 25 |
| 10 | 0 | 3 | 10 | 60 | 27 |
| 11 | 0 | 3 | 10 | 59 | 28 |
| 12 | 0 | 3 | 9 | 59 | 29 |
| 13 | 0 | 2 | 9 | 60 | 29 |
| 14 | 0 | 2 | 9 | 59 | 30 |
| 15 | 0 | 2 | 9 | 58 | 31 |
| 16 | 0 | 2 | 8 | 59 | 31 |
| 17 | 0 | 2 | 8 | 58 | 32 |
| 18 | 0 | 1 | 8 | 58 | 33 |
| 19 | 0 | 1 | 8 | 58 | 33 |
| 20 | 0 | 1 | 7 | 58 | 34 |
| 21 | 0 | 1 | 7 | 57 | 35 |
| 22 | 0 | 1 | 7 | 56 | 36 |
| 23 | 0 | 1 | 7 | 55 | 37 |
| 24 | 0 | 1 | 6 | 55 | 38 |
| 25 | 0 | 0 | 6 | 55 | 39 |
| 26 | 0 | 0 | 6 | 54 | 40 |
| 27 | 0 | 0 | 5 | 53 | 42 |
| 28 | 0 | 0 | 5 | 52 | 43 |
| 29 | 0 | 0 | 4 | 52 | 44 |
| 30 | 0 | 0 | 4 | 51 | 45 |
Wind in June
Winds average 7 mph in June.
Across June, daily wind ranges from about 6 mph on the calmest days to 7 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in June
Daylight runs from about 13 h 48 min at the start of June to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 5:02 AM to 5:04 AM, and sunset from 6:51 PM to 7:00 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 |
| Sunrise (AM) | 5:02 | 5:02 | 5:02 | 5:02 | 5:02 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:02 | 5:02 | 5:02 | 5:02 | 5:02 | 5:03 | 5:03 | 5:03 | 5:04 | 5:04 | 5:04 |
| Sunset (PM) | 6:51 | 6:51 | 6:52 | 6:52 | 6:53 | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:00 | 7:00 | 7:00 | 7:00 | 7:00 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.8 | 5:02 | 6:51 |
| 2 | 13.8 | 5:02 | 6:51 |
| 3 | 13.8 | 5:02 | 6:52 |
| 4 | 13.8 | 5:02 | 6:52 |
| 5 | 13.9 | 5:02 | 6:53 |
| 6 | 13.9 | 5:01 | 6:53 |
| 7 | 13.9 | 5:01 | 6:54 |
| 8 | 13.9 | 5:01 | 6:54 |
| 9 | 13.9 | 5:01 | 6:55 |
| 10 | 13.9 | 5:01 | 6:55 |
| 11 | 13.9 | 5:01 | 6:56 |
| 12 | 13.9 | 5:01 | 6:56 |
| 13 | 13.9 | 5:01 | 6:57 |
| 14 | 13.9 | 5:01 | 6:57 |
| 15 | 13.9 | 5:01 | 6:57 |
| 16 | 13.9 | 5:01 | 6:58 |
| 17 | 13.9 | 5:01 | 6:58 |
| 18 | 13.9 | 5:01 | 6:58 |
| 19 | 14.0 | 5:01 | 6:59 |
| 20 | 14.0 | 5:02 | 6:59 |
| 21 | 14.0 | 5:02 | 6:59 |
| 22 | 14.0 | 5:02 | 6:59 |
| 23 | 14.0 | 5:02 | 6:59 |
| 24 | 14.0 | 5:02 | 7:00 |
| 25 | 14.0 | 5:03 | 7:00 |
| 26 | 14.0 | 5:03 | 7:00 |
| 27 | 13.9 | 5:03 | 7:00 |
| 28 | 13.9 | 5:04 | 7:00 |
| 29 | 13.9 | 5:04 | 7:00 |
| 30 | 13.9 | 5:04 | 7:00 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.09 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 — June's 6.09 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
Hazard calendar for Slidell
In June, 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 June a good time to visit Slidell?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Slidell for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Slidell in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Slidell sees daytime highs around 85°F and nights near 76°F. Pack light clothes, rain gear and sun protection. About 15 days see rain.
Sea temperature near Slidell in June
The nearest coast averages about 84°F in June — 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 June
Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). 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 June
Average fine-particle pollution (PM2.5) through the year — so you can see where June 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).