Grants Pass (OR)
January
Weather in Grants Pass, Oregon for January 2026
Your guide to Grants Pass weather in January - trends and predictions
In general, the average temperature in Grants Pass at the beginning of January is 10.3 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 10 °F by the end of January.
Grants Pass experiences moderate rainfall in January, with an average of 7 rainy days and a total precipitation of 102.9 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
10°/1°
Temperatures
5 km/h
Avg max wind
67 %
Avg humidity
Grants Pass Weather January
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Temperatures trend during January in Grants Pass
See the weather trend as well as the moving average line
January weather in Grants Pass day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate or heavy rain shower | 8° /3° | 14.6 mm | 2 | |
| Jan. 2 | Moderate or heavy rain shower | 12° /8° | 18.1 mm | 3 | |
| Jan. 3 | Moderate or heavy rain shower | 10° /6° | 46.7 mm | 3 | |
| Jan. 4 | Moderate rain at times | 9° /5° | 9.4 mm | 2 | |
| Jan. 5 |  Patchy rain possible | 11° /6° | 7.5 mm | 3 | |
| Jan. 6 |  Overcast | 12° /3° | 0.1 mm | 3 | |
| Jan. 7 |  Light freezing rain | 10° /0° | 0.5 mm | 2 | |
| Jan. 8 | Overcast | 10° /-1° | 0 mm | 3 | |
| Jan. 9 |  Partly cloudy | 15° /1° | 0 mm | 5 | |
| Jan. 10 | Moderate or heavy rain shower | 8° /3° | 3.7 mm | 2 | |
| Jan. 11 | Overcast | 6° /0° | 0 mm | 2 | |
| Jan. 12 | Overcast | 6° /0° | 0 mm | 2 | |
| Jan. 13 | Partly cloudy | 9° /-2° | 0 mm | 3 | |
| Jan. 14 |  Sunny | 11° /0° | 0 mm | 4 | |
| Jan. 15 | Sunny | 12° /1° | 0 mm | 4 | |
| Jan. 16 | Sunny | 12° /2° | 0 mm | 4 | |
| Jan. 17 | Overcast | 5° /0° | 0 mm | 2 | |
| Jan. 18 | Sunny | 7° /-1° | 0 mm | 3 | |
| Jan. 19 | Sunny | 11° /0° | 0 mm | 4 | |
| Jan. 20 | Sunny | 11° /0° | 0 mm | 4 | |
| Jan. 21 | Overcast | 11° /-1° | 0 mm | 3 | |
| Jan. 22 | Sunny | 12° /0° | 0 mm | 4 | |
| Jan. 23 | Overcast | 12° /1° | 0 mm | 3 | |
| Jan. 24 | Partly cloudy | 8° /-1° | 0 mm | 3 | |
| Jan. 25 | Sunny | 8° /-2° | 0 mm | 3 | |
| Jan. 26 | Sunny | 8° /-1° | 0 mm | 3 | |
| Jan. 27 | Sunny | 10° /-1° | 0 mm | 4 | |
| Jan. 28 | Sunny | 12° /0° | 0 mm | 4 | |
| Jan. 29 | Sunny | 12° /0° | 0 mm | 4 | |
| Jan. 30 | Overcast | 11° /-1° | 0 mm | 3 | |
| Jan. 31 |  Light rain | 9° /2° | 2.3 mm | 2 | |
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Important Notice
Our weather forecast for Grants Pass in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grants Pass forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grants Pass in January - FAQ
What are the expected maximum and minimum temperatures in Grants Pass during January?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 1°.
How much rainfall should be expected in Grants Pass during January?
Significant rainfall exceeding 102.9 mm is expected in Grants Pass during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grants Pass during January?
The average wind speed in Grants Pass during January is 5 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Grants Pass
Explore the daily rainfall trends and prepare for Grants Passs January weather 💧
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