Donna weather in October
In October, Donna sees average daytime highs of 87°F and overnight lows near 68°F, with 2.5 in of rain across 7.2 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 89°F in the first days to 84°F by the end. The sky is clear or mostly clear about 50% of the time in October, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Donna's 1st-clearest and 11th-windiest month. For the whole year in context, see Donna's year-round climate.
- Daytime high
- 87°
- 6th warmest
- Overnight low
- 68°
- 7th coldest
- Rainfall
- 2.5 in
- 7.2 wet days
- Daylight
- 11 h 24 min
- 6:36 AM – 5:58 PM
- Cloud cover
- 43%
- 1st clearest
- Wind
- 9 mph
- 11th windiest
- Solar energy
- 4.52 kWh/m²
- Travel score
- 5.3
- out of 10
Donna is city in Hidalgo County, Texas, United States.
- Density
- 768/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 89°F in the first days to 84°F by the end.
A typical October day in Donna reaches about 87°F in the afternoon and slips back to 68°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 94°F. Set against its neighbours, October runs about 5°F cooler than September and about 8°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) | 90 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 84 | 84 | 84 | 83 | 83 |
| Avg low (°F) | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 90 | 71 |
| 2 | 89 | 71 |
| 3 | 89 | 71 |
| 4 | 89 | 71 |
| 5 | 89 | 71 |
| 6 | 89 | 71 |
| 7 | 89 | 70 |
| 8 | 89 | 70 |
| 9 | 88 | 70 |
| 10 | 88 | 70 |
| 11 | 88 | 69 |
| 12 | 88 | 69 |
| 13 | 87 | 69 |
| 14 | 87 | 69 |
| 15 | 87 | 69 |
| 16 | 87 | 68 |
| 17 | 87 | 68 |
| 18 | 87 | 68 |
| 19 | 86 | 67 |
| 20 | 86 | 67 |
| 21 | 86 | 67 |
| 22 | 86 | 67 |
| 23 | 85 | 66 |
| 24 | 85 | 66 |
| 25 | 85 | 66 |
| 26 | 85 | 65 |
| 27 | 84 | 65 |
| 28 | 84 | 65 |
| 29 | 84 | 65 |
| 30 | 83 | 64 |
| 31 | 83 | 64 |
How October really feels in Donna
Once humidity and wind are folded in, October averages 14 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Donna weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 72° / 53° | 1.1 | 4.8 | 10.5 | 7.4 |
| Feb | 76° / 56° | 1.0 | 4.8 | 11.1 | 7.7 |
| Mar | 81° / 62° | 1.5 | 5.5 | 11.8 | 7.0 |
| Apr | 87° / 68° | 1.7 | 5.5 | 12.6 | 5.3 |
| May | 91° / 73° | 2.1 | 6.9 | 13.3 | 3.8 |
| Jun | 95° / 77° | 2.1 | 7.7 | 13.6 | 2.7 |
| Jul | 97° / 78° | 2.2 | 7 | 13.5 | 2.3 |
| Aug | 97° / 78° | 1.7 | 7.7 | 12.9 | 2.1 |
| Sep | 92° / 75° | 3.6 | 13 | 12.2 | 3.2 |
| Oct | 87° / 68° | 2.5 | 7.2 | 11.4 | 5.3 |
| Nov | 79° / 60° | 1.5 | 6.2 | 10.7 | 7.4 |
| Dec | 73° / 54° | 1.3 | 5.4 | 10.4 | 7.5 |
Cloud cover in October
The sky is clear or mostly clear about 50% of the time in October, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 31%.
| 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 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 70 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 66 |
| Cloudier (%) | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 34 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 71 | 29 |
| 3 | 71 | 29 |
| 4 | 71 | 29 |
| 5 | 70 | 30 |
| 6 | 70 | 30 |
| 7 | 70 | 30 |
| 8 | 70 | 30 |
| 9 | 70 | 30 |
| 10 | 69 | 31 |
| 11 | 69 | 31 |
| 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 | 70 | 30 |
| 21 | 70 | 30 |
| 22 | 70 | 30 |
| 23 | 70 | 30 |
| 24 | 69 | 31 |
| 25 | 68 | 32 |
| 26 | 68 | 32 |
| 27 | 68 | 32 |
| 28 | 67 | 33 |
| 29 | 67 | 33 |
| 30 | 67 | 33 |
| 31 | 66 | 34 |
Chance of precipitation in October
Donna gets around 2.5 in of rain over 7.2 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 24% and peaks near 30% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 30 |
| 3 | 29 |
| 4 | 29 |
| 5 | 29 |
| 6 | 28 |
| 7 | 28 |
| 8 | 28 |
| 9 | 27 |
| 10 | 27 |
| 11 | 26 |
| 12 | 26 |
| 13 | 25 |
| 14 | 25 |
| 15 | 24 |
| 16 | 24 |
| 17 | 23 |
| 18 | 22 |
| 19 | 22 |
| 20 | 21 |
| 21 | 20 |
| 22 | 20 |
| 23 | 20 |
| 24 | 20 |
| 25 | 19 |
| 26 | 19 |
| 27 | 19 |
| 28 | 19 |
| 29 | 20 |
| 30 | 20 |
| 31 | 20 |
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 34% of days. Sticky, muggy-or-worse air turns up on roughly 62% 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 (%) | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 24 |
| Comfortable (%) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 |
| Humid (%) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 |
| Muggy (%) | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 |
| Oppressive (%) | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 |
| Miserable (%) | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 3 | 7 | 14 | 21 | 43 | 12 |
| 2 | 4 | 7 | 14 | 21 | 42 | 12 |
| 3 | 4 | 7 | 14 | 22 | 42 | 11 |
| 4 | 4 | 8 | 14 | 22 | 41 | 11 |
| 5 | 5 | 8 | 14 | 22 | 41 | 11 |
| 6 | 5 | 8 | 14 | 22 | 41 | 10 |
| 7 | 6 | 8 | 14 | 22 | 41 | 10 |
| 8 | 6 | 8 | 14 | 22 | 40 | 10 |
| 9 | 7 | 8 | 14 | 23 | 40 | 9 |
| 10 | 7 | 8 | 14 | 23 | 39 | 9 |
| 11 | 8 | 8 | 15 | 23 | 38 | 9 |
| 12 | 8 | 8 | 15 | 23 | 38 | 8 |
| 13 | 9 | 8 | 16 | 23 | 37 | 7 |
| 14 | 9 | 8 | 16 | 23 | 36 | 7 |
| 15 | 10 | 8 | 17 | 23 | 36 | 6 |
| 16 | 11 | 9 | 17 | 23 | 35 | 6 |
| 17 | 12 | 9 | 18 | 23 | 34 | 5 |
| 18 | 12 | 9 | 18 | 23 | 33 | 5 |
| 19 | 13 | 9 | 18 | 23 | 32 | 4 |
| 20 | 14 | 10 | 18 | 23 | 31 | 4 |
| 21 | 15 | 10 | 18 | 23 | 30 | 3 |
| 22 | 16 | 10 | 18 | 23 | 29 | 3 |
| 23 | 17 | 10 | 18 | 23 | 29 | 2 |
| 24 | 18 | 11 | 18 | 23 | 28 | 2 |
| 25 | 19 | 11 | 18 | 23 | 27 | 2 |
| 26 | 20 | 11 | 18 | 23 | 26 | 1 |
| 27 | 21 | 12 | 18 | 23 | 25 | 1 |
| 28 | 22 | 12 | 17 | 24 | 24 | 1 |
| 29 | 23 | 12 | 17 | 24 | 23 | 1 |
| 30 | 23 | 13 | 17 | 24 | 22 | 1 |
| 31 | 24 | 13 | 18 | 24 | 21 | 1 |
Wind in October
Winds average 9 mph in October.
Across October, daily wind ranges from about 8 mph on the calmest days to 10 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 9 | light breeze |
| 9 | 9 | light breeze |
| 10 | 9 | light breeze |
| 11 | 9 | light breeze |
| 12 | 9 | light breeze |
| 13 | 9 | light breeze |
| 14 | 9 | light breeze |
| 15 | 9 | light breeze |
| 16 | 9 | light breeze |
| 17 | 9 | light breeze |
| 18 | 9 | light breeze |
| 19 | 9 | light breeze |
| 20 | 9 | light breeze |
| 21 | 9 | light breeze |
| 22 | 9 | light breeze |
| 23 | 9 | light breeze |
| 24 | 9 | light breeze |
| 25 | 10 | light breeze |
| 26 | 10 | light breeze |
| 27 | 10 | light breeze |
| 28 | 10 | light breeze |
| 29 | 10 | light breeze |
| 30 | 10 | light breeze |
| 31 | 10 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 48 min at the start of October to 11 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over October. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 6:14 PM to 5:46 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) | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 |
| Sunrise (AM) | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:43 | 6:43 | 6:44 | 6:45 | 6:45 |
| Sunset (PM) | 6:14 | 6:13 | 6:12 | 6:11 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 | 5:49 | 5:48 | 5:48 | 5:47 | 5:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:29 | 6:14 |
| 2 | 11.7 | 6:29 | 6:13 |
| 3 | 11.7 | 6:29 | 6:12 |
| 4 | 11.7 | 6:30 | 6:11 |
| 5 | 11.7 | 6:30 | 6:09 |
| 6 | 11.6 | 6:31 | 6:08 |
| 7 | 11.6 | 6:31 | 6:07 |
| 8 | 11.6 | 6:32 | 6:06 |
| 9 | 11.5 | 6:32 | 6:05 |
| 10 | 11.5 | 6:33 | 6:04 |
| 11 | 11.5 | 6:33 | 6:03 |
| 12 | 11.5 | 6:34 | 6:02 |
| 13 | 11.4 | 6:34 | 6:01 |
| 14 | 11.4 | 6:35 | 6:00 |
| 15 | 11.4 | 6:36 | 5:59 |
| 16 | 11.4 | 6:36 | 5:58 |
| 17 | 11.3 | 6:37 | 5:57 |
| 18 | 11.3 | 6:37 | 5:57 |
| 19 | 11.3 | 6:38 | 5:56 |
| 20 | 11.3 | 6:38 | 5:55 |
| 21 | 11.2 | 6:39 | 5:54 |
| 22 | 11.2 | 6:40 | 5:53 |
| 23 | 11.2 | 6:40 | 5:52 |
| 24 | 11.2 | 6:41 | 5:51 |
| 25 | 11.2 | 6:41 | 5:51 |
| 26 | 11.1 | 6:42 | 5:50 |
| 27 | 11.1 | 6:43 | 5:49 |
| 28 | 11.1 | 6:43 | 5:48 |
| 29 | 11.1 | 6:44 | 5:48 |
| 30 | 11.0 | 6:45 | 5:47 |
| 31 | 11.0 | 6:45 | 5:46 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.52 kWh/m².
For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 6.73 kWh/m² in July across the year — October's 4.52 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) | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 |
| 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 | Bright | Bright | Bright | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.0 | Bright |
| 30 | 4.0 | Bright |
| 31 | 4.0 | Moderate |
Is October a good time to visit Donna?
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 Donna for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Donna in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Donna sees daytime highs around 87°F and nights near 68°F. Pack light clothes. Worth having: sun protection. About 7 days see rain.
UV index in Donna in October
Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Donna peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (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) | 5 | 7 | 8 | 11 | 9 | 12 | 11 | 11 | 10 | 8 | 6 | 5 |
| Level | Moderate | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Donna 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 Donna is worst in July — around 26 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 7 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) | 9 | 10 | 11 | 13 | 20 | 21 | 26 | 19 | 12 | 8 | 7 | 9 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 13 | Moderate |
| May | 20 | Moderate |
| Jun | 21 | Moderate |
| Jul | 26 | Moderate |
| Aug | 19 | Moderate |
| Sep | 12 | Moderate |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 9 | Good |
Where is Donna?
Donna sits at 26.2°N, 98.1°W, 92 ft above sea level, in United States. The nearest listed city is Weslaco, 3.7 mi away.
Topography around Donna
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Donna.
Within 2 miles, the terrain around Donna has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 89 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 167 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.
The land around Donna is covered by artificial surfaces (31%), cropland (24%) and grassland (22%) within 2 miles, cropland (42%) and grassland (21%) within 10 miles, and cropland (40%) 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 Donna (26.1703°, -98.052°, elevation 92 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. 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).