Spring weather in May
In May, Spring sees average daytime highs of 85°F and overnight lows near 68°F, with 3.8 in of rain across 10.1 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 83°F in the first days to 88°F by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels muggy.
Daylight stretches from about 13 h 06 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Spring's 7th-clearest and 5th-windiest month. For the whole year in context, see Spring's year-round climate.
- Daytime high
- 85°
- 5th warmest
- Overnight low
- 68°
- 8th coldest
- Rainfall
- 3.8 in
- 10.1 wet days
- Daylight
- 13 h 30 min
- 5:33 AM – 7:03 PM
- Cloud cover
- 55%
- 7th clearest
- Wind
- 8 mph
- 5th windiest
- Solar energy
- 5.88 kWh/m²
- Travel score
- 5.3
- out of 10
Spring is census-designated place in Harris County, Texas, United States.
- Density
- 919/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 83°F in the first days to 88°F by the end.
A typical May day in Spring reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 91°F. Set against its neighbours, May runs about 7°F warmer than April and about 5°F cooler than June.
| 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) | 82 | 82 | 83 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 85 | 85 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 89 |
| Avg low (°F) | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 82 | 64 |
| 2 | 82 | 64 |
| 3 | 83 | 64 |
| 4 | 83 | 65 |
| 5 | 83 | 65 |
| 6 | 83 | 65 |
| 7 | 83 | 66 |
| 8 | 84 | 66 |
| 9 | 84 | 66 |
| 10 | 84 | 66 |
| 11 | 84 | 67 |
| 12 | 84 | 67 |
| 13 | 85 | 67 |
| 14 | 85 | 67 |
| 15 | 85 | 68 |
| 16 | 85 | 68 |
| 17 | 85 | 68 |
| 18 | 86 | 68 |
| 19 | 86 | 69 |
| 20 | 86 | 69 |
| 21 | 86 | 69 |
| 22 | 87 | 69 |
| 23 | 87 | 69 |
| 24 | 87 | 70 |
| 25 | 87 | 70 |
| 26 | 87 | 70 |
| 27 | 88 | 71 |
| 28 | 88 | 71 |
| 29 | 88 | 71 |
| 30 | 88 | 71 |
| 31 | 89 | 71 |
How May really feels in Spring
Once humidity and wind are folded in, May averages 10 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Spring weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 62° / 44° | 4.0 | 9.9 | 10.3 | 5.5 |
| Feb | 66° / 48° | 3.2 | 8.9 | 10.9 | 6.1 |
| Mar | 72° / 54° | 3.5 | 9.6 | 11.8 | 6.8 |
| Apr | 78° / 60° | 3.9 | 9 | 12.7 | 6.9 |
| May | 85° / 68° | 3.8 | 10.1 | 13.5 | 5.3 |
| Jun | 90° / 74° | 4.5 | 12.8 | 13.9 | 3.6 |
| Jul | 92° / 75° | 3.2 | 11.5 | 13.7 | 3.1 |
| Aug | 93° / 75° | 3.5 | 11.8 | 13.1 | 3.0 |
| Sep | 89° / 71° | 4.1 | 11 | 12.2 | 4.3 |
| Oct | 81° / 61° | 4.1 | 8.7 | 11.3 | 6.7 |
| Nov | 71° / 52° | 3.9 | 8.8 | 10.5 | 6.9 |
| Dec | 64° / 46° | 4.2 | 9.7 | 10.1 | 5.8 |
Cloud cover in May
The sky is clear or mostly clear about 34% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up 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 (%) | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 53 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 58 | 57 | 58 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 61 |
| Cloudier (%) | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 48 | 47 | 47 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 42 | 43 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 52 | 48 |
| 8 | 53 | 47 |
| 9 | 52 | 48 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 55 | 45 |
| 13 | 55 | 45 |
| 14 | 55 | 45 |
| 15 | 56 | 44 |
| 16 | 56 | 44 |
| 17 | 57 | 43 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 58 | 42 |
| 21 | 57 | 43 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 59 | 41 |
| 26 | 59 | 41 |
| 27 | 59 | 41 |
| 28 | 60 | 40 |
| 29 | 60 | 40 |
| 30 | 60 | 40 |
| 31 | 61 | 39 |
Chance of precipitation in May
Spring gets around 3.8 in of rain over 10.1 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 32% and peaks near 37% 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 (%) | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 37 | 37 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 30 |
| 3 | 30 |
| 4 | 30 |
| 5 | 31 |
| 6 | 31 |
| 7 | 31 |
| 8 | 31 |
| 9 | 31 |
| 10 | 31 |
| 11 | 31 |
| 12 | 31 |
| 13 | 31 |
| 14 | 32 |
| 15 | 32 |
| 16 | 32 |
| 17 | 32 |
| 18 | 32 |
| 19 | 32 |
| 20 | 32 |
| 21 | 32 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 34 |
| 26 | 34 |
| 27 | 35 |
| 28 | 35 |
| 29 | 36 |
| 30 | 37 |
| 31 | 37 |
Humidity in May
Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 71% 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 (%) | 21 | 20 | 20 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 |
| Comfortable (%) | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| Humid (%) | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 |
| Muggy (%) | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 33 | 34 | 34 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 37 | 35 |
| Oppressive (%) | 19 | 20 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 28 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 39 | 40 | 42 | 44 | 46 | 47 | 49 | 51 | 52 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 21 | 11 | 18 | 30 | 19 | 0 |
| 2 | 20 | 11 | 18 | 30 | 20 | 0 |
| 3 | 20 | 10 | 18 | 31 | 22 | 0 |
| 4 | 18 | 10 | 17 | 31 | 23 | 0 |
| 5 | 17 | 10 | 17 | 32 | 24 | 0 |
| 6 | 16 | 10 | 17 | 32 | 25 | 0 |
| 7 | 15 | 9 | 17 | 32 | 26 | 0 |
| 8 | 14 | 9 | 16 | 33 | 27 | 0 |
| 9 | 14 | 9 | 16 | 34 | 27 | 0 |
| 10 | 13 | 9 | 16 | 34 | 28 | 0 |
| 11 | 12 | 9 | 16 | 34 | 28 | 1 |
| 12 | 11 | 9 | 15 | 35 | 29 | 1 |
| 13 | 10 | 9 | 15 | 36 | 30 | 1 |
| 14 | 9 | 8 | 15 | 36 | 30 | 1 |
| 15 | 9 | 8 | 14 | 37 | 31 | 1 |
| 16 | 8 | 8 | 14 | 38 | 32 | 1 |
| 17 | 8 | 8 | 13 | 38 | 32 | 1 |
| 18 | 7 | 7 | 13 | 39 | 33 | 1 |
| 19 | 7 | 7 | 12 | 40 | 34 | 1 |
| 20 | 6 | 6 | 12 | 40 | 35 | 1 |
| 21 | 6 | 6 | 11 | 41 | 36 | 1 |
| 22 | 5 | 5 | 10 | 41 | 37 | 1 |
| 23 | 4 | 5 | 10 | 41 | 39 | 2 |
| 24 | 4 | 4 | 9 | 41 | 40 | 2 |
| 25 | 3 | 4 | 8 | 41 | 42 | 2 |
| 26 | 3 | 4 | 8 | 40 | 44 | 2 |
| 27 | 2 | 3 | 7 | 40 | 46 | 2 |
| 28 | 2 | 3 | 7 | 39 | 47 | 3 |
| 29 | 1 | 3 | 6 | 38 | 49 | 3 |
| 30 | 1 | 2 | 6 | 37 | 51 | 3 |
| 31 | 1 | 2 | 6 | 35 | 52 | 4 |
Wind in May
Winds average 8 mph in May.
Across May, daily wind ranges from about 7 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| 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 | 7 | light breeze |
| 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 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 06 min at the start of May to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over May. Sunrise moves from 5:44 AM to 5:26 AM, and sunset from 6:53 PM to 7:12 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) | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 |
| Sunrise (AM) | 5:44 | 5:43 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:33 | 5:33 | 5:32 | 5:31 | 5:31 | 5:30 | 5:30 | 5:29 | 5:29 | 5:28 | 5:28 | 5:27 | 5:27 | 5:27 | 5:26 | 5:26 | 5:26 |
| Sunset (PM) | 6:53 | 6:54 | 6:55 | 6:55 | 6:56 | 6:57 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.1 | 5:44 | 6:53 |
| 2 | 13.2 | 5:43 | 6:54 |
| 3 | 13.2 | 5:43 | 6:55 |
| 4 | 13.2 | 5:42 | 6:55 |
| 5 | 13.3 | 5:41 | 6:56 |
| 6 | 13.3 | 5:40 | 6:57 |
| 7 | 13.3 | 5:39 | 6:57 |
| 8 | 13.3 | 5:38 | 6:58 |
| 9 | 13.4 | 5:38 | 6:59 |
| 10 | 13.4 | 5:37 | 6:59 |
| 11 | 13.4 | 5:36 | 7:00 |
| 12 | 13.4 | 5:35 | 7:01 |
| 13 | 13.4 | 5:35 | 7:01 |
| 14 | 13.5 | 5:34 | 7:02 |
| 15 | 13.5 | 5:33 | 7:03 |
| 16 | 13.5 | 5:33 | 7:03 |
| 17 | 13.5 | 5:32 | 7:04 |
| 18 | 13.6 | 5:31 | 7:04 |
| 19 | 13.6 | 5:31 | 7:05 |
| 20 | 13.6 | 5:30 | 7:06 |
| 21 | 13.6 | 5:30 | 7:06 |
| 22 | 13.6 | 5:29 | 7:07 |
| 23 | 13.6 | 5:29 | 7:08 |
| 24 | 13.7 | 5:28 | 7:08 |
| 25 | 13.7 | 5:28 | 7:09 |
| 26 | 13.7 | 5:27 | 7:09 |
| 27 | 13.7 | 5:27 | 7:10 |
| 28 | 13.7 | 5:27 | 7:11 |
| 29 | 13.7 | 5:26 | 7:11 |
| 30 | 13.8 | 5:26 | 7:12 |
| 31 | 13.8 | 5:26 | 7:12 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.88 kWh/m².
For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.28 kWh/m² in July across the year — May's 5.88 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.9 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 6.0 | Bright |
| 20 | 6.0 | Bright |
| 21 | 6.0 | Bright |
| 22 | 6.0 | Bright |
| 23 | 6.0 | 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 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Is May a good time to visit Spring?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Spring for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Spring in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Spring sees daytime highs around 85°F and nights near 68°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.
UV index in Spring in May
Clear-sky midday UV in May 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 Spring peaks around July 21 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 | 7 | 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 | 7 | 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 Spring in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Spring 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 Spring?
Spring sits at 30.1°N, 95.4°W, 121 ft above sea level, in United States. The nearest listed city is The Woodlands, 6.8 mi away.
Topography around Spring
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Spring.
Within 2 miles, the terrain around Spring has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 541 ft.
The land around Spring is covered by trees (53%) and artificial surfaces (33%) within 2 miles, trees (59%) and artificial surfaces (24%) within 10 miles, and trees (54%) and grassland (27%) 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 Spring (30.0799°, -95.4172°, elevation 121 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).