Humboldt County (Eureka)
December
Weather in Humboldt County for December 2025
Your guide to Humboldt County weather in December - trends and predictions
In general, the average temperature in Humboldt County at the beginning of December is 11 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 11.1 °F by the end of December.
The climate of Humboldt County in December is notably wet, with an average of 14 rainy days, and a total of 554.7 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
12°/9°
Temperatures
20 km/h
Avg max wind
81 %
Avg humidity
Humboldt County in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  12° | 2  11° | 3  10° | 4 10° | 5 12° | 6  11° | |
| 7  11° | 8 12° | 9  14° | 10 13° | 11 13° | 12  10° | 13 11° |
| 14  11° | 15 10° | 16 11° | 17 12° | 18 13° | 19 16° | 20 16° |
| 21 14° | 22 15° | 23 15° | 24 12° | 25 10° | 26 12° | 27  13° |
| 28 13° | 29 12° | 30 8° | 31  10° |
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Temperatures trend during December in Humboldt County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Partly cloudy | 12° /7° | 0 mm | 4 | |
| Dec. 2 | Cloudy | 11° /8° | 0 mm | 3 | |
| Dec. 3 | Mist | 10° /7° | 0 mm | 3 | |
| Dec. 4 | Mist | 10° /7° | 0 mm | 3 | |
| Dec. 5 | Mist | 12° /8° | 0 mm | 3 | |
| Dec. 6 | Overcast | 11° /8° | 0 mm | 3 | |
| Dec. 7 | Moderate or heavy rain shower | 11° /9° | 14.6 mm | 3 | |
| Dec. 8 | Mist | 12° /7° | 0 mm | 3 | |
| Dec. 9 | Sunny | 14° /6° | 0 mm | 4 | |
| Dec. 10 | Overcast | 13° /9° | 0 mm | 3 | |
| Dec. 11 | Overcast | 13° /8° | 0 mm | 3 | |
| Dec. 12 | Moderate rain | 10° /9° | 57 mm | 3 | |
| Dec. 13 | Moderate or heavy rain shower | 11° /9° | 18 mm | 3 | |
| Dec. 14 | Moderate or heavy rain with thunder | 11° /8° | 98.4 mm | 3 | |
| Dec. 15 | Overcast | 10° /5° | 0 mm | 3 | |
| Dec. 16 | Moderate rain | 11° /8° | 17.3 mm | 3 | |
| Dec. 17 | Overcast | 12° /10° | 7.2 mm | 3 | |
| Dec. 18 | Overcast | 13° /11° | 0 mm | 3 | |
| Dec. 19 | Overcast | 16° /9° | 0 mm | 4 | |
| Dec. 20 | Overcast | 16° /12° | 0 mm | 4 | |
| Dec. 21 | Moderate or heavy rain with thunder | 14° /11° | 37.1 mm | 3 | |
| Dec. 22 | Moderate or heavy rain with thunder | 15° /11° | 12.4 mm | 4 | |
| Dec. 23 | Overcast | 15° /12° | 16.5 mm | 4 | |
| Dec. 24 | Moderate or heavy rain with thunder | 12° /8° | 52.9 mm | 3 | |
| Dec. 25 | Overcast | 10° /7° | 0 mm | 3 | |
| Dec. 26 | Moderate or heavy rain with thunder | 12° /10° | 100.2 mm | 3 | |
| Dec. 27 | Light rain | 13° /11° | 13.7 mm | 3 | |
| Dec. 28 | Moderate or heavy rain shower | 13° /11° | 53.5 mm | 3 | |
| Dec. 29 | Moderate or heavy rain shower | 12° /8° | 55.6 mm | 3 | |
| Dec. 30 | Partly cloudy | 8° /5° | 0 mm | 3 | |
| Dec. 31 | Patchy rain possible | 10° /6° | 0.1 mm | 3 | |
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Important Notice
Our weather forecast for Humboldt County in December 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 Humboldt County forecast closer to your planned date for the most up-to-date weather information.
Humboldt County in December - FAQ
What are the expected maximum and minimum temperatures in Humboldt County during December?
During December, expect a variety of temperatures with highs around 12° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Humboldt County during December?
Significant rainfall exceeding 554.7 mm is expected in Humboldt County during December, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Humboldt County during December?
The average wind speed in Humboldt County during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Humboldt County
Explore the daily rainfall trends and prepare for Humboldt Countys December weather 💧
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