California
January
Weather in California for January 2025
Your guide to California weather in January - trends and predictions
In general, the average temperature in California at the beginning of January is 15.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °F by the end of January.
Precipitation in California during January is a rare event, with an average of fewer than 2 rainy days.
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30
Dry days
1
Rainy days
0
Snow days
18°/8°
Temperatures
14 km/h
Avg max wind
51 %
Avg humidity
California in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2 15° | 3 14° | 4  15° | 5 15° | ||
| 6  16° | 7  15° | 8 16° | 9 15° | 10 14° | 11  15° | 12 18° |
| 13  17° | 14 15° | 15 15° | 16 16° | 17 16° | 18 17° | 19 16° |
| 20 15° | 21 16° | 22 15° | 23 18° | 24 18° | 25 19° | 26 21° |
| 27 22° | 28 20° | 29 18° | 30 18° | 31 18° |
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Temperatures trend during January in California
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Patchy rain possible | 16° /10° | 3.7 mm | 5 | |
| Jan. 2 | Patchy rain possible | 15° /9° | 0.8 mm | 4 | |
| Jan. 3 | Patchy rain possible | 14° /9° | 4.5 mm | 3 | |
| Jan. 4 | Moderate or heavy rain shower | 15° /10° | 4 mm | 4 | |
| Jan. 5 | Moderate or heavy rain shower | 15° /10° | 14.6 mm | 4 | |
| Jan. 6 | Partly cloudy | 16° /9° | 0 mm | 5 | |
| Jan. 7 | Overcast | 15° /8° | 0 mm | 4 | |
| Jan. 8 | Patchy rain possible | 16° /8° | 0.3 mm | 4 | |
| Jan. 9 | Moderate or heavy rain shower | 15° /11° | 21.4 mm | 5 | |
| Jan. 10 | Moderate or heavy rain shower | 14° /9° | 22.6 mm | 4 | |
| Jan. 11 | Sunny | 15° /8° | 0 mm | 5 | |
| Jan. 12 | Overcast | 18° /9° | 0 mm | 5 | |
| Jan. 13 | Cloudy | 17° /9° | 0 mm | 5 | |
| Jan. 14 | Moderate or heavy rain shower | 15° /10° | 20.1 mm | 4 | |
| Jan. 15 | Moderate rain at times | 15° /10° | 3.7 mm | 4 | |
| Jan. 16 | Patchy rain possible | 16° /10° | 7.3 mm | 4 | |
| Jan. 17 | Sunny | 16° /8° | 0 mm | 5 | |
| Jan. 18 | Partly cloudy | 17° /9° | 0 mm | 5 | |
| Jan. 19 | Patchy rain possible | 16° /9° | 0.2 mm | 4 | |
| Jan. 20 | Sunny | 15° /8° | 1.4 mm | 4 | |
| Jan. 21 | Sunny | 16° /8° | 2.7 mm | 4 | |
| Jan. 22 | Sunny | 15° /8° | 11.6 mm | 4 | |
| Jan. 23 | Sunny | 18° /8° | 0 mm | 5 | |
| Jan. 24 | Sunny | 18° /8° | 0 mm | 5 | |
| Jan. 25 | Sunny | 19° /9° | 0 mm | 5 | |
| Jan. 26 | Sunny | 21° /9° | 0 mm | 6 | |
| Jan. 27 | Sunny | 22° /10° | 0 mm | 6 | |
| Jan. 28 | Sunny | 20° /11° | 0 mm | 6 | |
| Jan. 29 | Patchy rain possible | 18° /13° | 1.5 mm | 4 | |
| Jan. 30 | Moderate rain at times | 18° /11° | 3 mm | 4 | |
| Jan. 31 | Sunny | 18° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for California 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 California forecast closer to your planned date for the most up-to-date weather information.
California in January - FAQ
What are the expected maximum and minimum temperatures in California during January?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in California during January?
Significant rainfall exceeding 246.7 mm is expected in California during January, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in California during January?
The average wind speed in California during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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