Eureka (CA)
January
Weather in Eureka, California for January 2027
Your guide to Eureka weather in January - trends and predictions
In general, the average temperature in Eureka at the beginning of January is 11.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.7 °C by the end of January.
The climate of Eureka in January is notably wet, with an average of 12 rainy days, and a total of 288.9 mm of precipitation.
Is January a good time to visit Eureka? check out the best time to travel to Eureka page.
✨ Is January a good time to visit Eureka? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
11°/7°
Temperatures
17 km/h
Avg max wind
81 %
Avg humidity
Eureka Weather January
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Temperatures trend during January in Eureka
See the weather trend as well as the moving average line
January weather in Eureka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Heavy rain | 12° /8° | 33.7 mm | 1.7 | |
| Jan. 2 | Heavy rain | 13° /10° | 37.9 mm | 1.7 | |
| Jan. 3 | Heavy rain | 12° /9° | 49.2 mm | 1.8 | |
| Jan. 4 | Heavy rain | 11° /8° | 35.2 mm | 1.8 | |
| Jan. 5 | Heavy rain | 11° /8° | 28 mm | 1.8 | |
| Jan. 6 |  Moderate or heavy rain with thunder | 10° /8° | 8.5 mm | 1.8 | |
| Jan. 7 |  Light rain | 11° /5° | 2.8 mm | 1.8 | |
| Jan. 8 |  Patchy rain possible | 11° /6° | 1 mm | 1.8 | |
| Jan. 9 | Light rain | 14° /7° | 4 mm | 1.9 | |
| Jan. 10 | Light rain | 10° /6° | 7.2 mm | 1.9 | |
| Jan. 11 |  Partly cloudy | 10° /5° | 0.1 mm | 1.9 | |
| Jan. 12 | Patchy rain possible | 10° /5° | 0.5 mm | 1.9 | |
| Jan. 13 |  Moderate rain | 11° /6° | 17.3 mm | 1.9 | |
| Jan. 14 | Patchy rain possible | 12° /7° | 0.9 mm | 2 | |
| Jan. 15 |  Cloudy | 12° /7° | 0 mm | 2 | |
| Jan. 16 | Light rain | 11° /7° | 3.9 mm | 2 | |
| Jan. 17 | Patchy rain possible | 10° /7° | 0.4 mm | 2 | |
| Jan. 18 | Partly cloudy | 10° /6° | 0 mm | 2 | |
| Jan. 19 | Patchy light drizzle | 10° /7° | 0.8 mm | 2 | |
| Jan. 20 | Light rain | 11° /6° | 4.8 mm | 2 | |
| Jan. 21 | Light rain shower | 11° /8° | 1.7 mm | 2 | |
| Jan. 22 | Light rain | 10° /7° | 5.1 mm | 2 | |
| Jan. 23 | Patchy rain possible | 12° /8° | 0.6 mm | 2 | |
| Jan. 24 | Light rain shower | 13° /7° | 2.4 mm | 2 | |
| Jan. 25 |  Overcast | 13° /7° | 0.4 mm | 2 | |
| Jan. 26 | Light rain | 13° /8° | 3.7 mm | 2.4 | |
| Jan. 27 | Moderate rain | 13° /10° | 12.1 mm | 2 | |
| Jan. 28 | Partly cloudy | 13° /9° | 0.1 mm | 2 | |
| Jan. 29 | Partly cloudy | 12° /8° | 0 mm | 2 | |
| Jan. 30 | Overcast | 12° /9° | 0.4 mm | 2 | |
| Jan. 31 | Heavy rain | 13° /9° | 26.2 mm | 2 | |
| Next | |||||
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.
Change Month
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 11° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Eureka during January?
Significant rainfall exceeding 288.9 mm is expected in Eureka during January, occurring over more than 12 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 17 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 💧
Typically, Eureka has 12 rainy days in January with a total of 288.9 mm of rainfall.
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