Eureka
January
Weather in Eureka for January 2026
Your guide to Eureka weather in January - trends and predictions
In general, the average temperature in Eureka at the beginning of January is 11.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.6 °F by the end of January.
Eureka experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 311.1 mm.
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Temperatures
Rain 🌧️
More
4
Dry days
27
Rainy days
0
Snow days
12°/7°
Temperatures
20 km/h
Avg max wind
83 %
Avg humidity
Eureka Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  12° | 2  13° | 3  12° | ||||
| 4  11° | 5 12° | 6  11° | 7 11° | 8 13° | 9  14° | 10 10° |
| 11  10° | 12 11° | 13 12° | 14 13° | 15  11° | 16 10° | 17 10° |
| 18 11° | 19 10° | 20 12° | 21 13° | 22 10° | 23 12° | 24 12° |
| 25 13° | 26 12° | 27 14° | 28 13° | 29 12° | 30 12° | 31  12° |
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Temperatures trend during January in Eureka
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 | Sunny | 12° /7° | 27.4 mm | 4 | |
| Jan. 2 | Light rain | 13° /9° | 54.6 mm | 3 | |
| Jan. 3 | Patchy rain possible | 12° /8° | 46.6 mm | 3 | |
| Jan. 4 | Overcast | 11° /7° | 4 mm | 3 | |
| Jan. 5 | Patchy rain possible | 12° /8° | 0.4 mm | 3 | |
| Jan. 6 | Moderate or heavy rain with thunder | 11° /7° | 12.8 mm | 3 | |
| Jan. 7 | Patchy rain possible | 11° /3° | 0.3 mm | 3 | |
| Jan. 8 | Patchy rain possible | 13° /5° | 0.2 mm | 3 | |
| Jan. 9 | Moderate rain | 14° /8° | 6 mm | 4 | |
| Jan. 10 | Light rain shower | 10° /6° | 10.8 mm | 3 | |
| Jan. 11 | Partly cloudy | 10° /4° | 0.2 mm | 4 | |
| Jan. 12 | Patchy rain possible | 11° /5° | 0.7 mm | 4 | |
| Jan. 13 | Light rain shower | 12° /6° | 25.9 mm | 4 | |
| Jan. 14 | Patchy rain possible | 13° /7° | 1.4 mm | 4 | |
| Jan. 15 | Cloudy | 11° /6° | 0 mm | 3 | |
| Jan. 16 | Moderate rain | 10° /6° | 5.8 mm | 3 | |
| Jan. 17 | Patchy rain possible | 10° /7° | 0.6 mm | 3 | |
| Jan. 18 | Partly cloudy | 11° /5° | 0 mm | 3 | |
| Jan. 19 | Patchy light drizzle | 10° /6° | 1.2 mm | 3 | |
| Jan. 20 | Light rain shower | 12° /6° | 7.2 mm | 4 | |
| Jan. 21 | Light rain shower | 13° /8° | 2.6 mm | 3 | |
| Jan. 22 | Moderate or heavy rain with thunder | 10° /7° | 7.6 mm | 3 | |
| Jan. 23 | Patchy rain possible | 12° /7° | 0.9 mm | 3 | |
| Jan. 24 | Light rain shower | 12° /7° | 3.5 mm | 3 | |
| Jan. 25 | Overcast | 13° /6° | 0.6 mm | 4 | |
| Jan. 26 | Light rain shower | 12° /7° | 5.6 mm | 4 | |
| Jan. 27 | Light rain shower | 14° /9° | 14.6 mm | 4 | |
| Jan. 28 | Partly cloudy | 13° /9° | 0.2 mm | 4 | |
| Jan. 29 | Partly cloudy | 12° /7° | 0 mm | 4 | |
| Jan. 30 | Patchy rain possible | 12° /9° | 0.6 mm | 3 | |
| Jan. 31 | Heavy rain | 12° /8° | 39.3 mm | 3 | |
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Important Notice
Our weather forecast for Eureka 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 Eureka forecast closer to your planned date for the most up-to-date weather information.
Eureka in January - FAQ
What are the expected maximum and minimum temperatures in Eureka during January?
During January, expect a variety of temperatures with highs around 12° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Eureka during January?
Significant rainfall exceeding 311.1 mm is expected in Eureka during January, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Eureka during January?
The average wind speed in Eureka during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Eureka
Explore the daily rainfall trends and prepare for Eurekas January weather 💧
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