Galveston weather in July
In July, Galveston sees average daytime highs of 84°F and overnight lows near 81°F, with 3.7 in of rain across 11.6 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 47% of the time in July, and the air most often feels miserable.
Daylight stretches from about 13 h 54 min at the start of July to 13 h 24 min by month's end. Set against the rest of the year, July is Galveston's 6th-clearest and 11th-windiest month. For the whole year in context, see Galveston's year-round climate.
- Daytime high
- 84°
- 2nd warmest
- Overnight low
- 81°
- 12th coldest
- Rainfall
- 3.7 in
- 11.6 wet days
- Daylight
- 13 h 42 min
- 5:34 AM – 7:16 PM
- Cloud cover
- 49%
- 6th clearest
- Wind
- 11 mph
- 11th windiest
- Solar energy
- 6.42 kWh/m²
- Travel score
- 5.4
- out of 10
Galveston is city in and county seat of Galveston County, Texas, United States; port and coastal city.
- Density
- 93/km²
- people per km²
- Founded
- 1785
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 84°F through the month.
A typical July day in Galveston reaches about 84°F in the afternoon and slips back to 81°F overnight — a 4°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 86°F. Set against its neighbours, July runs about 2°F warmer than June and on par with August.
| 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) | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |
| Avg low (°F) | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 84 | 80 |
| 2 | 84 | 80 |
| 3 | 84 | 80 |
| 4 | 84 | 80 |
| 5 | 84 | 80 |
| 6 | 84 | 81 |
| 7 | 84 | 81 |
| 8 | 84 | 81 |
| 9 | 84 | 81 |
| 10 | 84 | 81 |
| 11 | 84 | 81 |
| 12 | 84 | 81 |
| 13 | 84 | 81 |
| 14 | 84 | 81 |
| 15 | 84 | 81 |
| 16 | 85 | 81 |
| 17 | 85 | 81 |
| 18 | 85 | 81 |
| 19 | 85 | 81 |
| 20 | 85 | 81 |
| 21 | 85 | 81 |
| 22 | 85 | 81 |
| 23 | 85 | 81 |
| 24 | 85 | 81 |
| 25 | 85 | 81 |
| 26 | 85 | 81 |
| 27 | 85 | 81 |
| 28 | 85 | 81 |
| 29 | 85 | 81 |
| 30 | 85 | 81 |
| 31 | 85 | 81 |
How July really feels in Galveston
Once humidity and wind are folded in, July averages 31 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Galveston weather by month
How July compares with the rest of the year at a glance. July is the 2nd-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 | 60° / 53° | 4.8 | 10.4 | 10.3 | 4.7 |
| Feb | 61° / 55° | 3.5 | 8.7 | 10.9 | 5.2 |
| Mar | 66° / 61° | 3.4 | 7.9 | 11.8 | 6.4 |
| Apr | 72° / 67° | 3.5 | 7.2 | 12.7 | 7.3 |
| May | 78° / 74° | 3.0 | 7.6 | 13.4 | 7.4 |
| Jun | 83° / 79° | 4.3 | 10.7 | 13.8 | 6.1 |
| Jul | 84° / 81° | 3.7 | 11.6 | 13.7 | 5.4 |
| Aug | 85° / 81° | 4.5 | 13.1 | 13.1 | 5.0 |
| Sep | 83° / 78° | 6.3 | 12.5 | 12.2 | 5.8 |
| Oct | 77° / 71° | 4.7 | 8.6 | 11.3 | 7.4 |
| Nov | 69° / 62° | 4.4 | 8.2 | 10.5 | 6.8 |
| Dec | 62° / 55° | 4.5 | 10.1 | 10.2 | 5.5 |
Cloud cover in July
The sky is clear or mostly clear about 47% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 38%.
| 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 (%) | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 64 | 63 | 63 | 63 | 62 | 61 | 60 | 60 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 61 | 61 | 62 | 62 | 62 | 63 |
| Cloudier (%) | 39 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 36 | 37 | 37 | 37 | 38 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 39 | 39 | 38 | 38 | 38 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 62 | 38 |
| 4 | 62 | 38 |
| 5 | 63 | 37 |
| 6 | 64 | 36 |
| 7 | 64 | 36 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 64 | 36 |
| 11 | 63 | 37 |
| 12 | 63 | 37 |
| 13 | 63 | 37 |
| 14 | 62 | 38 |
| 15 | 61 | 39 |
| 16 | 60 | 40 |
| 17 | 60 | 40 |
| 18 | 59 | 41 |
| 19 | 59 | 41 |
| 20 | 59 | 41 |
| 21 | 59 | 41 |
| 22 | 59 | 41 |
| 23 | 59 | 41 |
| 24 | 59 | 41 |
| 25 | 60 | 40 |
| 26 | 61 | 39 |
| 27 | 61 | 39 |
| 28 | 62 | 38 |
| 29 | 62 | 38 |
| 30 | 62 | 38 |
| 31 | 63 | 37 |
Chance of precipitation in July
Galveston gets around 3.7 in of rain over 11.6 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 39% 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 (%) | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 37 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 37 |
| 4 | 37 |
| 5 | 36 |
| 6 | 36 |
| 7 | 36 |
| 8 | 36 |
| 9 | 37 |
| 10 | 37 |
| 11 | 37 |
| 12 | 38 |
| 13 | 38 |
| 14 | 38 |
| 15 | 38 |
| 16 | 38 |
| 17 | 39 |
| 18 | 39 |
| 19 | 39 |
| 20 | 39 |
| 21 | 39 |
| 22 | 39 |
| 23 | 39 |
| 24 | 39 |
| 25 | 38 |
| 26 | 38 |
| 27 | 38 |
| 28 | 37 |
| 29 | 37 |
| 30 | 37 |
| 31 | 36 |
Humidity in July
Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the miserable band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 |
| Oppressive (%) | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
| Miserable (%) | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 76 | 77 | 78 | 79 | 79 | 80 | 81 | 80 | 81 | 81 | 82 | 82 | 83 | 83 | 84 | 83 | 83 | 83 | 83 | 84 | 85 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 31 | 67 |
| 2 | 1 | 31 | 68 |
| 3 | 1 | 30 | 69 |
| 4 | 1 | 29 | 70 |
| 5 | 1 | 28 | 71 |
| 6 | 1 | 27 | 72 |
| 7 | 1 | 26 | 73 |
| 8 | 0 | 26 | 74 |
| 9 | 0 | 25 | 75 |
| 10 | 0 | 24 | 76 |
| 11 | 0 | 24 | 76 |
| 12 | 0 | 23 | 77 |
| 13 | 0 | 22 | 78 |
| 14 | 0 | 21 | 79 |
| 15 | 0 | 21 | 79 |
| 16 | 0 | 20 | 80 |
| 17 | 0 | 19 | 81 |
| 18 | 1 | 19 | 80 |
| 19 | 1 | 18 | 81 |
| 20 | 1 | 18 | 81 |
| 21 | 1 | 17 | 82 |
| 22 | 1 | 17 | 82 |
| 23 | 1 | 16 | 83 |
| 24 | 1 | 16 | 83 |
| 25 | 1 | 15 | 84 |
| 26 | 2 | 15 | 83 |
| 27 | 2 | 15 | 83 |
| 28 | 2 | 15 | 83 |
| 29 | 2 | 15 | 83 |
| 30 | 2 | 14 | 84 |
| 31 | 1 | 14 | 85 |
Wind in July
Winds average 11 mph in July.
Across July, daily wind ranges from about 10 mph on the calmest days to 11 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 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 | 11 | light breeze |
| 2 | 11 | light breeze |
| 3 | 11 | light breeze |
| 4 | 11 | light breeze |
| 5 | 11 | light breeze |
| 6 | 11 | light breeze |
| 7 | 11 | light breeze |
| 8 | 11 | light breeze |
| 9 | 11 | light breeze |
| 10 | 11 | light breeze |
| 11 | 11 | light breeze |
| 12 | 11 | light breeze |
| 13 | 11 | light breeze |
| 14 | 11 | light breeze |
| 15 | 11 | light breeze |
| 16 | 11 | light breeze |
| 17 | 10 | light breeze |
| 18 | 10 | light breeze |
| 19 | 10 | light breeze |
| 20 | 10 | light breeze |
| 21 | 10 | light breeze |
| 22 | 10 | light breeze |
| 23 | 10 | light breeze |
| 24 | 10 | 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 July
Daylight runs from about 13 h 54 min at the start of July to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over July. Sunrise moves from 5:27 AM to 5:42 AM, and sunset from 7:18 PM to 7:09 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) | 13.9 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.4 |
| Sunrise (AM) | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 |
| Sunset (PM) | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:18 | 7:17 | 7:17 | 7:17 | 7:17 | 7:16 | 7:16 | 7:16 | 7:15 | 7:15 | 7:15 | 7:14 | 7:14 | 7:13 | 7:13 | 7:12 | 7:12 | 7:11 | 7:10 | 7:10 | 7:09 | 7:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 5:27 | 7:18 |
| 2 | 13.8 | 5:27 | 7:18 |
| 3 | 13.8 | 5:28 | 7:18 |
| 4 | 13.8 | 5:28 | 7:18 |
| 5 | 13.8 | 5:28 | 7:18 |
| 6 | 13.8 | 5:29 | 7:18 |
| 7 | 13.8 | 5:29 | 7:18 |
| 8 | 13.8 | 5:30 | 7:18 |
| 9 | 13.8 | 5:30 | 7:18 |
| 10 | 13.8 | 5:31 | 7:18 |
| 11 | 13.8 | 5:31 | 7:17 |
| 12 | 13.8 | 5:32 | 7:17 |
| 13 | 13.7 | 5:32 | 7:17 |
| 14 | 13.7 | 5:33 | 7:17 |
| 15 | 13.7 | 5:33 | 7:16 |
| 16 | 13.7 | 5:34 | 7:16 |
| 17 | 13.7 | 5:34 | 7:16 |
| 18 | 13.7 | 5:35 | 7:15 |
| 19 | 13.7 | 5:35 | 7:15 |
| 20 | 13.6 | 5:36 | 7:15 |
| 21 | 13.6 | 5:36 | 7:14 |
| 22 | 13.6 | 5:37 | 7:14 |
| 23 | 13.6 | 5:37 | 7:13 |
| 24 | 13.6 | 5:38 | 7:13 |
| 25 | 13.6 | 5:39 | 7:12 |
| 26 | 13.5 | 5:39 | 7:12 |
| 27 | 13.5 | 5:40 | 7:11 |
| 28 | 13.5 | 5:40 | 7:10 |
| 29 | 13.5 | 5:41 | 7:10 |
| 30 | 13.5 | 5:41 | 7:09 |
| 31 | 13.4 | 5:42 | 7:09 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.42 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 6.42 kWh/m² in July across the year — July's 6.42 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) | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| 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 | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.4 | Intense |
| 28 | 6.4 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
| 31 | 6.4 | Intense |
Hazard calendar for Galveston
In July, Galveston sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Galveston sits in the Atlantic hurricane belt; the season peaks August–October.
Is July a good time to visit Galveston?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Galveston for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Galveston in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Galveston sees daytime highs around 84°F and nights near 81°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.
Sea temperature near Galveston in July
The nearest coast averages about 85°F in July — 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 58°F.
It's comfortable for a long swim from Apr 4 to Nov 21 — about 7.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 58 | 59 | 64 | 71 | 78 | 83 | 85 | 86 | 84 | 78 | 69 | 62 |
| Comfort | Bracing | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 58 | Bracing |
| Feb | 59 | 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 | 69 | Refreshing |
| Dec | 62 | Cool |
UV index in Galveston in July
Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Galveston peaks around July 18 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 | 11 | 11 | 11 | 9 | 6 | 5 | 4 |
| Level | Moderate | High | High | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 7 | High |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Galveston in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Galveston is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 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) | 6 | 7 | 8 | 9 | 12 | 16 | 19 | 13 | 10 | 6 | 6 | 6 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 12 | Good |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 13 | Moderate |
| Sep | 10 | Good |
| Oct | 6 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Galveston?
Galveston sits at 29.3°N, 94.8°W, 7 ft above sea level, in United States. The nearest listed city is Texas City, 8.7 mi away.
Topography around Galveston
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Galveston.
Within 2 miles, the terrain around Galveston has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 62 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 236 ft.
The land around Galveston is covered by artificial surfaces (41%) and water (32%) within 2 miles, water (80%) within 10 miles, and water (45%) 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 Galveston (29.3013°, -94.7977°, elevation 7 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).