Grass Valley (CA)
January
Weather in Grass Valley, California for January 2027
Your guide to Grass Valley weather in January - trends and predictions
In general, the average temperature in Grass Valley at the beginning of January is 11.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.4 °C by the end of January.
Grass Valley experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 255.8 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
13°/6°
Temperatures
11 km/h
Avg max wind
56 %
Avg humidity
Grass Valley Weather January
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Temperatures trend during January in Grass Valley
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January weather in Grass Valley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 11° /6° | 60 mm | 2 | |
| Jan. 2 | Overcast | 14° /9° | 0 mm | 2 | |
| Jan. 3 |  Moderate or heavy rain shower | 11° /7° | 74.7 mm | 2 | |
| Jan. 4 | Overcast | 9° /5° | 110.3 mm | 1 | |
| Jan. 5 |  Partly cloudy | 11° /5° | 1.5 mm | 2 | |
| Jan. 6 | Overcast | 11° /2° | 0.3 mm | 2 | |
| Jan. 7 |  Sunny | 11° /5° | 0 mm | 2 | |
| Jan. 8 | Partly cloudy | 13° /2° | 1.8 mm | 3 | |
| Jan. 9 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 10 | Sunny | 13° /5° | 0 mm | 3 | |
| Jan. 11 | Sunny | 14° /5° | 0 mm | 3 | |
| Jan. 12 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 13 | Sunny | 15° /6° | 0 mm | 3 | |
| Jan. 14 | Sunny | 17° /8° | 0 mm | 3 | |
| Jan. 15 | Sunny | 16° /8° | 0 mm | 3 | |
| Jan. 16 | Sunny | 16° /6° | 0 mm | 3 | |
| Jan. 17 | Sunny | 15° /6° | 0 mm | 3 | |
| Jan. 18 | Sunny | 10° /0° | 0 mm | 4 | |
| Jan. 19 | Sunny | 13° /5° | 0 mm | 3 | |
| Jan. 20 | Sunny | 15° /5° | 0 mm | 3 | |
| Jan. 21 | Sunny | 13° /7° | 0 mm | 2 | |
| Jan. 22 | Sunny | 16° /6° | 0 mm | 3 | |
| Jan. 23 | Sunny | 14° /6° | 0 mm | 3 | |
| Jan. 24 | Overcast | 14° /5° | 0 mm | 2 | |
| Jan. 25 |  Patchy rain possible | 11° /4° | 0.2 mm | 2 | |
| Jan. 26 |  Cloudy | 12° /5° | 0 mm | 2 | |
| Jan. 27 | Sunny | 13° /6° | 0 mm | 3 | |
| Jan. 28 | Sunny | 13° /5° | 0 mm | 3 | |
| Jan. 29 | Sunny | 13° /4° | 0 mm | 3 | |
| Jan. 30 | Cloudy | 13° /5° | 0 mm | 2 | |
| Jan. 31 |  Moderate rain | 12° /8° | 7.1 mm | 2 | |
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Important Notice
Our weather forecast for Grass Valley 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 Grass Valley forecast closer to your planned date for the most up-to-date weather information.
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Grass Valley in January - FAQ
What are the expected maximum and minimum temperatures in Grass Valley during January?
During January, expect a variety of temperatures with highs around 13° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grass Valley during January?
Significant rainfall exceeding 255.8 mm is expected in Grass Valley during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grass Valley during January?
The average wind speed in Grass Valley during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Grass Valley
Explore the daily rainfall trends and prepare for Grass Valleys January weather 💧
Typically, Grass Valley has 6 rainy days in January with a total of 255.8 mm of rainfall.
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