Pasadena weather in October
In October, Pasadena sees average daytime highs of 81°F and overnight lows near 62°F, with 4.1 in of rain across 8.7 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.
Highs ease over the month, from about 84°F in the first days to 77°F by the end. The sky is clear or mostly clear about 51% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 42 min at the start of October to 10 h 54 min by month's end. Set against the rest of the year, October is Pasadena's 1st-clearest and 8th-windiest month. For the whole year in context, see Pasadena's year-round climate.
- Daytime high
- 81°
- 6th warmest
- Overnight low
- 62°
- 7th coldest
- Rainfall
- 4.1 in
- 8.7 wet days
- Daylight
- 11 h 18 min
- 6:28 AM – 5:44 PM
- Cloud cover
- 43%
- 1st clearest
- Wind
- 7 mph
- 8th windiest
- Solar energy
- 4.17 kWh/m²
- Travel score
- 6.8
- out of 10
Pasadena is city southeast of Houston, belonging to Harris County, Texas, United States.
- Density
- 1,341/km²
- people per km²
- Founded
- 1893
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 84°F in the first days to 77°F by the end.
A typical October day in Pasadena reaches about 81°F in the afternoon and slips back to 62°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 88°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) | 85 | 85 | 84 | 84 | 84 | 84 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 79 | 79 | 78 | 78 | 78 | 77 | 77 | 77 | 76 | 76 |
| Avg low (°F) | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 60 | 59 | 59 | 58 | 58 | 58 | 57 | 57 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 85 | 67 |
| 2 | 85 | 66 |
| 3 | 84 | 66 |
| 4 | 84 | 66 |
| 5 | 84 | 65 |
| 6 | 84 | 65 |
| 7 | 83 | 65 |
| 8 | 83 | 65 |
| 9 | 83 | 64 |
| 10 | 83 | 64 |
| 11 | 82 | 64 |
| 12 | 82 | 64 |
| 13 | 82 | 63 |
| 14 | 82 | 63 |
| 15 | 81 | 63 |
| 16 | 81 | 62 |
| 17 | 81 | 62 |
| 18 | 80 | 62 |
| 19 | 80 | 61 |
| 20 | 80 | 61 |
| 21 | 79 | 61 |
| 22 | 79 | 60 |
| 23 | 79 | 60 |
| 24 | 78 | 60 |
| 25 | 78 | 59 |
| 26 | 78 | 59 |
| 27 | 77 | 58 |
| 28 | 77 | 58 |
| 29 | 77 | 58 |
| 30 | 76 | 57 |
| 31 | 76 | 57 |
How October really feels in Pasadena
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.
Pasadena weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 63° / 45° | 4.2 | 10 | 10.3 | 5.6 |
| Feb | 66° / 49° | 3.3 | 9 | 10.9 | 6.1 |
| Mar | 72° / 55° | 3.7 | 9.2 | 11.8 | 6.8 |
| Apr | 78° / 61° | 3.8 | 8.9 | 12.7 | 6.9 |
| May | 85° / 69° | 3.5 | 9.8 | 13.5 | 5.5 |
| Jun | 89° / 74° | 4.5 | 12.8 | 13.9 | 3.8 |
| Jul | 91° / 76° | 3.6 | 12.7 | 13.7 | 3.3 |
| Aug | 92° / 75° | 3.9 | 13.3 | 13.1 | 3.2 |
| Sep | 88° / 71° | 4.6 | 11.8 | 12.2 | 4.4 |
| Oct | 81° / 62° | 4.1 | 8.7 | 11.3 | 6.8 |
| Nov | 71° / 53° | 4.1 | 8.3 | 10.5 | 7.0 |
| Dec | 65° / 47° | 4.2 | 9.6 | 10.1 | 5.9 |
Cloud cover in October
The sky is clear or mostly clear about 51% of the time in October, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 34%. 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 71 | 71 | 71 | 71 | 69 | 69 | 68 | 68 | 66 | 66 | 65 | 65 | 66 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 62 | 62 |
| Cloudier (%) | 29 | 29 | 29 | 29 | 31 | 31 | 32 | 32 | 34 | 34 | 35 | 35 | 34 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 38 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 71 | 29 |
| 3 | 71 | 29 |
| 4 | 71 | 29 |
| 5 | 69 | 31 |
| 6 | 69 | 31 |
| 7 | 68 | 32 |
| 8 | 68 | 32 |
| 9 | 66 | 34 |
| 10 | 66 | 34 |
| 11 | 65 | 35 |
| 12 | 65 | 35 |
| 13 | 66 | 34 |
| 14 | 65 | 35 |
| 15 | 65 | 35 |
| 16 | 65 | 35 |
| 17 | 65 | 35 |
| 18 | 66 | 34 |
| 19 | 66 | 34 |
| 20 | 66 | 34 |
| 21 | 66 | 34 |
| 22 | 66 | 34 |
| 23 | 66 | 34 |
| 24 | 66 | 34 |
| 25 | 66 | 34 |
| 26 | 65 | 35 |
| 27 | 65 | 35 |
| 28 | 64 | 36 |
| 29 | 64 | 36 |
| 30 | 62 | 38 |
| 31 | 62 | 38 |
Chance of precipitation in October
Pasadena gets around 4.1 in of rain over 8.7 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 28% 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 (%) | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 28 |
| 2 | 28 |
| 3 | 28 |
| 4 | 29 |
| 5 | 29 |
| 6 | 29 |
| 7 | 29 |
| 8 | 29 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 29 |
| 13 | 29 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 28 |
| 18 | 28 |
| 19 | 28 |
| 20 | 28 |
| 21 | 27 |
| 22 | 27 |
| 23 | 27 |
| 24 | 27 |
| 25 | 27 |
| 26 | 27 |
| 27 | 27 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
| 31 | 27 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 43% 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 (%) | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
| Comfortable (%) | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Humid (%) | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
| Muggy (%) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Oppressive (%) | 31 | 30 | 29 | 29 | 28 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 10 |
| Miserable (%) | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 18 | 10 | 13 | 23 | 31 | 6 |
| 2 | 18 | 11 | 13 | 23 | 30 | 5 |
| 3 | 19 | 11 | 13 | 23 | 29 | 5 |
| 4 | 19 | 11 | 14 | 23 | 29 | 4 |
| 5 | 19 | 12 | 14 | 23 | 28 | 4 |
| 6 | 19 | 12 | 15 | 23 | 27 | 4 |
| 7 | 20 | 12 | 15 | 23 | 27 | 4 |
| 8 | 20 | 13 | 16 | 22 | 26 | 4 |
| 9 | 20 | 13 | 16 | 22 | 25 | 3 |
| 10 | 21 | 14 | 16 | 22 | 25 | 3 |
| 11 | 21 | 14 | 17 | 21 | 24 | 3 |
| 12 | 21 | 15 | 17 | 21 | 23 | 3 |
| 13 | 22 | 15 | 17 | 20 | 22 | 3 |
| 14 | 23 | 16 | 17 | 20 | 22 | 3 |
| 15 | 23 | 16 | 18 | 19 | 21 | 3 |
| 16 | 24 | 17 | 18 | 19 | 20 | 2 |
| 17 | 25 | 17 | 18 | 19 | 19 | 2 |
| 18 | 26 | 17 | 18 | 19 | 19 | 2 |
| 19 | 27 | 17 | 17 | 19 | 18 | 2 |
| 20 | 28 | 17 | 17 | 18 | 17 | 2 |
| 21 | 29 | 17 | 17 | 18 | 17 | 2 |
| 22 | 30 | 17 | 17 | 18 | 16 | 1 |
| 23 | 31 | 17 | 16 | 18 | 16 | 1 |
| 24 | 32 | 17 | 16 | 19 | 15 | 1 |
| 25 | 33 | 17 | 16 | 19 | 14 | 1 |
| 26 | 34 | 17 | 16 | 19 | 14 | 1 |
| 27 | 35 | 17 | 16 | 19 | 13 | 1 |
| 28 | 36 | 17 | 15 | 19 | 12 | 0 |
| 29 | 37 | 17 | 15 | 19 | 12 | 0 |
| 30 | 38 | 17 | 15 | 19 | 11 | 0 |
| 31 | 39 | 17 | 15 | 19 | 10 | 0 |
Wind in October
Winds average 7 mph in October.
Across October, daily wind ranges from about 6 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) | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
| 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 | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | 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 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | light breeze |
| 28 | 7 | light breeze |
| 29 | 7 | light breeze |
| 30 | 7 | 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 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over October. Sunrise moves from 6:18 AM to 6:39 AM, and sunset from 6:01 PM to 5:30 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 | 11.7 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 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 |
| Sunrise (AM) | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:21 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:26 | 6:26 | 6:27 | 6:28 | 6:28 | 6:29 | 6:30 | 6:31 | 6:31 | 6:32 | 6:33 | 6:33 | 6:34 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:39 |
| Sunset (PM) | 6:01 | 6:00 | 5:59 | 5:58 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:18 | 6:01 |
| 2 | 11.7 | 6:19 | 6:00 |
| 3 | 11.7 | 6:19 | 5:59 |
| 4 | 11.6 | 6:20 | 5:58 |
| 5 | 11.6 | 6:21 | 5:56 |
| 6 | 11.6 | 6:21 | 5:55 |
| 7 | 11.5 | 6:22 | 5:54 |
| 8 | 11.5 | 6:23 | 5:53 |
| 9 | 11.5 | 6:23 | 5:52 |
| 10 | 11.4 | 6:24 | 5:51 |
| 11 | 11.4 | 6:24 | 5:49 |
| 12 | 11.4 | 6:25 | 5:48 |
| 13 | 11.4 | 6:26 | 5:47 |
| 14 | 11.3 | 6:26 | 5:46 |
| 15 | 11.3 | 6:27 | 5:45 |
| 16 | 11.3 | 6:28 | 5:44 |
| 17 | 11.2 | 6:28 | 5:43 |
| 18 | 11.2 | 6:29 | 5:42 |
| 19 | 11.2 | 6:30 | 5:41 |
| 20 | 11.2 | 6:31 | 5:40 |
| 21 | 11.1 | 6:31 | 5:39 |
| 22 | 11.1 | 6:32 | 5:38 |
| 23 | 11.1 | 6:33 | 5:37 |
| 24 | 11.0 | 6:33 | 5:36 |
| 25 | 11.0 | 6:34 | 5:35 |
| 26 | 11.0 | 6:35 | 5:34 |
| 27 | 11.0 | 6:36 | 5:33 |
| 28 | 10.9 | 6:36 | 5:32 |
| 29 | 10.9 | 6:37 | 5:32 |
| 30 | 10.9 | 6:38 | 5:31 |
| 31 | 10.9 | 6:39 | 5:30 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.17 kWh/m².
For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 6.21 kWh/m² in July across the year — October's 4.17 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) | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Moderate |
| 21 | 4.0 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.9 | Moderate |
| 24 | 3.9 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.7 | Moderate |
| 29 | 3.7 | Moderate |
| 30 | 3.7 | Moderate |
| 31 | 3.6 | Moderate |
Hazard calendar for Pasadena
In October, Pasadena sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Pasadena sits in the Atlantic hurricane belt; the season peaks August–October.
Is October a good time to visit Pasadena?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Pasadena for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Pasadena in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Pasadena sees daytime highs around 81°F and nights near 62°F. Pack light clothes. Worth having: rain gear. About 9 days see rain.
Sea temperature near Pasadena in October
The nearest coast averages about 78°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 39 mi away) is warmest in August at about 86°F and coldest in January near 59°F.
It's comfortable for a long swim from Apr 3 to Nov 25 — about 7.8 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 59 | 60 | 64 | 71 | 78 | 83 | 85 | 86 | 84 | 78 | 70 | 63 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 59 | Cool |
| Feb | 60 | Cool |
| Mar | 64 | Cool |
| Apr | 71 | Refreshing |
| May | 78 | Warm |
| Jun | 83 | Tropical |
| Jul | 85 | Tropical |
| Aug | 86 | Tropical |
| Sep | 84 | Tropical |
| Oct | 78 | Warm |
| Nov | 70 | Refreshing |
| Dec | 63 | Cool |
UV index in Pasadena 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 Pasadena peaks around July 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 11 | 11 | 8 | 6 | 5 | 4 |
| Level | Moderate | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 6 | High |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Pasadena 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 Pasadena is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 10 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) | 10 | 10 | 12 | 12 | 16 | 20 | 24 | 18 | 15 | 11 | 10 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 10 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Moderate |
| May | 16 | Moderate |
| Jun | 20 | Moderate |
| Jul | 24 | Moderate |
| Aug | 18 | Moderate |
| Sep | 15 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Pasadena?
Pasadena sits at 29.7°N, 95.2°W, 30 ft above sea level, in United States. The nearest listed city is South Houston, 2.5 mi away.
Topography around Pasadena
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Pasadena.
Within 2 miles, the terrain around Pasadena has only modest variations in elevation — a maximum elevation change of 56 ft around an average of 33 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 259 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 371 ft.
The land around Pasadena is covered by artificial surfaces (48%) and trees (39%) within 2 miles, artificial surfaces (39%) and trees (37%) within 10 miles, and trees (39%) and grassland (24%) 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 Pasadena (29.6911°, -95.2091°, elevation 30 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).