Galveston weather in July: Galveston, Texas: normal highs, lows, rain and records for July
Galveston in July has a normal high of 91°F and a normal low of 80°F, a daily mean of 86°F, rising from 91°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 9 days in a normal July, 3.41 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 27°C, 87 mm of precipitation in July.
- NOAA stationGalveston Scholes Field
- Station IDUSW00012923
- Location29.27°N 94.86°W
- Elevation5 ft (2 m)
- Population53,538
- Jan 63° 49°
- Feb 66° 52°
- Mar 72° 58°
- Apr 78° 65°
- May 84° 72°
- Jun 90° 78°
- Jul 91° 80°
- Aug 92° 80°
- Sep 89° 76°
- Oct 82° 69°
- Nov 72° 59°
- Dec 66° 52°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Galveston in July?
The normal high is 91°F and the normal low 80°F, for a daily mean of 85.5°F. July is 1.7°F warmer than June and 0.4°F cooler than August. July is the 2nd warmest month of the year in Galveston and the 8th wettest. Across the month the normal high rises 1°F, from 91°F on July 1 to 92°F on July 31. From one year to the next July's mean temperature typically moves about 1.0°F either way (NOAA's standard deviation), so roughly two Julys in three average between 85°F and 87°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 91°F | 79°F | 30% | 20% |
| July 8 | 91°F | 79°F | 29% | 20% |
| July 15 | 91°F | 80°F | 28% | 18% |
| July 22 | 92°F | 80°F | 26% | 17% |
| July 31 | 92°F | 80°F | 25% | 15% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 30, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 91°F | 79°F | 30% | 20% | 14 h |
| July 2 | 91°F | 79°F | 30% | 20% | 14 h |
| July 3 | 91°F | 79°F | 30% | 20% | 14 h |
| July 4 | 91°F | 79°F | 30% | 20% | 14 h |
| July 5 | 91°F | 79°F | 30% | 20% | 14 h |
| July 6 | 91°F | 79°F | 30% | 20% | 14 h |
| July 7 | 91°F | 79°F | 30% | 20% | 14 h |
| July 8 | 91°F | 79°F | 29% | 20% | 14 h |
| July 9 | 91°F | 79°F | 29% | 19% | 14 h |
| July 10 | 91°F | 79°F | 29% | 19% | 14 h |
| July 11 | 91°F | 80°F | 29% | 19% | 13 h 50 min |
| July 12 | 91°F | 80°F | 29% | 19% | 13 h 50 min |
| July 13 | 91°F | 80°F | 29% | 19% | 13 h 50 min |
| July 14 | 91°F | 80°F | 28% | 18% | 13 h 50 min |
| July 15 | 91°F | 80°F | 28% | 18% | 13 h 50 min |
| July 16 | 91°F | 80°F | 28% | 18% | 13 h 50 min |
| July 17 | 91°F | 80°F | 28% | 18% | 13 h 50 min |
| July 18 | 91°F | 80°F | 28% | 18% | 13 h 50 min |
| July 19 | 91°F | 80°F | 27% | 17% | 13 h 50 min |
| July 20 | 92°F | 80°F | 27% | 17% | 13 h 50 min |
| July 21 | 92°F | 80°F | 27% | 17% | 13 h 50 min |
| July 22 | 92°F | 80°F | 26% | 17% | 13 h 40 min |
| July 23 | 92°F | 80°F | 26% | 16% | 13 h 40 min |
| July 24 | 92°F | 80°F | 26% | 16% | 13 h 40 min |
| July 25 | 92°F | 80°F | 26% | 16% | 13 h 40 min |
| July 26 | 92°F | 80°F | 25% | 16% | 13 h 40 min |
| July 27 | 92°F | 80°F | 25% | 15% | 13 h 40 min |
| July 28 | 92°F | 80°F | 25% | 15% | 13 h 40 min |
| July 29 | 92°F | 80°F | 25% | 15% | 13 h 40 min |
| July 30 | 92°F | 80°F | 25% | 15% | 13 h 40 min |
| July 31 | 92°F | 80°F | 25% | 15% | 13 h 30 min |
- Normal high
- 91°FJuly average
- Normal low
- 80°FJuly average
- Precipitation
- 3.41 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 20
- Daylight
- 14 h to 13 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012923; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Galveston in July?
On a given July day the chance of 0.01 inch or more is 28% on average, highest around July 1 (30%). In all, 3.41 in falls on 9 days of a normal July, 1 of them with an inch or more.
In a normal July in Galveston, 20 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012923.
What are the records for July in Galveston?
The warmest July temperature on Galveston's official record (since 1874) is 101°F, on July 16, 1932; the coldest is 66°F, on July 19, 1910. The wettest July brought 18.74 in (1900).
The July mean against the 1991-2020 normal of 85.5°F: 2021 85.0°F (−0.5), 2022 88.6°F (+3.1), 2023 86.5°F (+1.0), 2024 84.0°F (−1.5), 2025 86.4°F (+0.9), 2026 85.4°F (−0.1). 3 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 85.0°F | −0.5°F | 5.97 in |
| 2022 | 88.6°F | +3.1°F | 4.14 in |
| 2023 | 86.5°F | +1.0°F | 1.99 in |
| 2024 | 84.0°F | −1.5°F | 18.68 in |
| 2025 | 86.4°F | +0.9°F | 0.88 in |
| 2026 | 85.4°F | −0.1°F | 6.81 in |
Source: records: ACIS, NWS threaded record GLSthr; recent months: ACIS, station USW00012923. Records and recent months use complete months only.
How does July in Galveston compare across Texas?
Across the 321 places PlainClimate covers in Texas, July normal highs run from 88°F in Matagorda to 101°F in Presidio; Galveston's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.