Weather in Galveston Island, Texas for January 2026
Extreme Cold Warning - See hour by hour.
So far, January 2026 in Galveston Island is slightly warmer than the historical average by 1.7 °F.
The forecast for the upcoming days in Galveston Island predicts a temperature of 11.9 °F, which is slightly above the historical average.
In general, the average temperature in Galveston Island at the beginning of January is 16.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.6 °F by the end of January.
The climate of Galveston Island in January is notably wet, with an average of 11 rainy days, and a total of 292.9 mm of precipitation.
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Galveston Island Weather January
Temperatures trend during January in Galveston Island
January weather in Galveston Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Sunny | 18° /13° | 0 mm | 4 | |
| Jan. 2 |  Moderate rain at times | 17° /16° | 1.6 mm | 3 | |
| Jan. 3 | Moderate rain at times | 18° /15° | 0.6 mm | 3 | |
| Jan. 4 |  Patchy rain possible | 16° /13° | 0.3 mm | 2 | |
| Jan. 5 | Moderate or heavy rain shower | 18° /11° | 18.7 mm | 2 | |
| Jan. 6 | Sunny | 14° /10° | 0 mm | 2 | |
| Jan. 7 | Sunny | 14° /10° | 0 mm | 2 | |
| Jan. 8 | Sunny | 14° /12° | 0 mm | 2 | |
| Jan. 9 | Moderate or heavy rain shower | 15° /13° | 37.3 mm | 2 | |
| Jan. 10 | Moderate or heavy rain shower | 14° /10° | 38.7 mm | 2 | |
| Jan. 11 |  Overcast | 14° /6° | 0 mm | 2 | |
| Jan. 12 | Moderate or heavy rain shower | 14° /10° | 14.8 mm | 3 | |
| Jan. 13 | Overcast | 14° /10° | 0 mm | 2 | |
| Jan. 14 | Overcast | 15° /9° | 0.1 mm | 3 | |
| Jan. 15 | Moderate or heavy rain shower | 13° /9° | 7.8 mm | 3 | |
| Jan. 16 | Sunny | 16° /11° | 0 mm | 4 | |
| Jan. 17 | Overcast | 16° /10° | 0.4 mm | 3 | |
| Jan. 18 | Overcast | 15° /12° | 0 mm | 4 | |
| Jan. 19 |  Partly cloudy | 14° /5° | 0 mm | 3 | |
| Jan. 20 | Overcast | 11° /7° | 0.2 mm | 2 | |
| Jan. 21 | Moderate or heavy rain shower | 11° /7° | 8.4 mm | 1 | |
| Jan. 22 |  Cloudy | 12° /8° | 0 mm | 1 | |
| Jan. 23 | Overcast | 13° /11° | 0 mm | 2 | |
| Jan. 24 | Cloudy | 14° /10° | 0 mm | 2 | |
| Jan. 25 | Overcast | 10° /5° | 10.9 mm | 2 | |
| Jan. 26 | Moderate or heavy rain shower | 11° /6° | 11.9 mm | 3 | |
| Jan. 27 | Overcast | 7° /0° | 0 mm | 0.9 | |
| Jan. 28 | Sunny | 14° /8° | 0 mm | 1 | |
| Jan. 29 | Sunny | 14° /11° | 0 mm | 1 | |
| Jan. 30 | Overcast | 12° /3° | 0 mm | 0 | |
| Jan. 31 | Sunny | 6° /3° | 0 mm | 3 | |
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Galveston Island in January - FAQ
What are the expected maximum and minimum temperatures in Galveston Island during January?
How much rainfall should be expected in Galveston Island during January?
What are the typical wind conditions in Galveston Island during January?
January rainfall patterns in Galveston Island
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Where is Galveston Island?Get accurate weather forecasts for Galveston Island, located at latitude 29.222 and longitude -94.909. Stay updated with localized weather information tailored for Galveston Island.