Galveston weather in October: Galveston, Texas: normal highs, lows, rain and records for October
Galveston in October has a normal high of 82°F and a normal low of 69°F, a daily mean of 75°F, falling from 86°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 7 days in a normal October, 5.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 20°C, 131 mm of precipitation in October.
- 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 October?
The normal high is 82°F and the normal low 69°F, for a daily mean of 75.3°F. October is 7.1°F cooler than September and 9.8°F warmer than November. October is the 6th warmest month of the year in Galveston and the 2nd wettest. Across the month the normal high falls 9°F, from 86°F on October 1 to 77°F on October 31. From one year to the next October's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 74°F and 77°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 86°F | 73°F | 26% | 18% |
| October 8 | 85°F | 71°F | 25% | 17% |
| October 15 | 83°F | 69°F | 25% | 16% |
| October 22 | 80°F | 67°F | 24% | 16% |
| October 31 | 77°F | 64°F | 25% | 16% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 86°F | 73°F | 26% | 18% | 11 h 50 min |
| October 2 | 86°F | 73°F | 26% | 18% | 11 h 50 min |
| October 3 | 86°F | 73°F | 26% | 17% | 11 h 50 min |
| October 4 | 85°F | 72°F | 26% | 17% | 11 h 50 min |
| October 5 | 85°F | 72°F | 26% | 17% | 11 h 50 min |
| October 6 | 85°F | 72°F | 26% | 17% | 11 h 50 min |
| October 7 | 85°F | 72°F | 25% | 17% | 11 h 40 min |
| October 8 | 85°F | 71°F | 25% | 17% | 11 h 40 min |
| October 9 | 84°F | 71°F | 25% | 16% | 11 h 40 min |
| October 10 | 84°F | 71°F | 25% | 16% | 11 h 40 min |
| October 11 | 84°F | 70°F | 25% | 16% | 11 h 40 min |
| October 12 | 84°F | 70°F | 25% | 16% | 11 h 40 min |
| October 13 | 83°F | 70°F | 25% | 16% | 11 h 30 min |
| October 14 | 83°F | 69°F | 25% | 16% | 11 h 30 min |
| October 15 | 83°F | 69°F | 25% | 16% | 11 h 30 min |
| October 16 | 82°F | 69°F | 24% | 16% | 11 h 30 min |
| October 17 | 82°F | 68°F | 24% | 16% | 11 h 30 min |
| October 18 | 82°F | 68°F | 24% | 16% | 11 h 30 min |
| October 19 | 81°F | 68°F | 24% | 16% | 11 h 20 min |
| October 20 | 81°F | 67°F | 24% | 16% | 11 h 20 min |
| October 21 | 81°F | 67°F | 24% | 16% | 11 h 20 min |
| October 22 | 80°F | 67°F | 24% | 16% | 11 h 20 min |
| October 23 | 80°F | 66°F | 24% | 16% | 11 h 20 min |
| October 24 | 80°F | 66°F | 24% | 16% | 11 h 20 min |
| October 25 | 79°F | 66°F | 24% | 16% | 11 h 10 min |
| October 26 | 79°F | 65°F | 24% | 16% | 11 h 10 min |
| October 27 | 79°F | 65°F | 24% | 16% | 11 h 10 min |
| October 28 | 78°F | 65°F | 24% | 16% | 11 h 10 min |
| October 29 | 78°F | 64°F | 24% | 16% | 11 h 10 min |
| October 30 | 78°F | 64°F | 24% | 16% | 11 h 10 min |
| October 31 | 77°F | 64°F | 25% | 16% | 11 h |
- Normal high
- 82°FOctober average
- Normal low
- 69°FOctober average
- Precipitation
- 5.15 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 11 h 50 min to 11 hOctober 1 to October 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 21
- Sunshine
- 83%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 October?
On a given October day the chance of 0.01 inch or more is 25% on average, highest around October 1 (26%). In all, 5.15 in falls on 7 days of a normal October, 2 of them with an inch or more.
In a normal October in Galveston, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012923.
What are the records for October in Galveston?
The warmest October temperature on Galveston's official record (since 1874) is 94°F, on October 2, 1938; the coldest is 39°F, on October 31, 1993. The wettest October brought 17.78 in (1871).
The October mean against the 1991-2020 normal of 75.3°F: 2021 78.7°F (+3.4), 2022 74.0°F (−1.3), 2023 74.8°F (−0.5), 2024 78.3°F (+3.0), 2025 77.8°F (+2.5). 3 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.7°F | +3.4°F | 6.77 in |
| 2022 | 74.0°F | −1.3°F | 1.54 in |
| 2023 | 74.8°F | −0.5°F | 2.74 in |
| 2024 | 78.3°F | +3.0°F | 0.52 in |
| 2025 | 77.8°F | +2.5°F | 2.55 in |
Source: records: ACIS, NWS threaded record GLSthr; recent months: ACIS, station USW00012923. Records and recent months use complete months only.
How does October in Galveston compare across Texas?
Across the 321 places PlainClimate covers in Texas, October normal highs run from 71°F in Channing to 89°F in McAllen; Galveston's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.