Humboldt County (Eureka)
December
Weather in Humboldt County, California for December 2026
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 11.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.1 °C by the end of December.
The climate of Humboldt County in December is notably wet, with an average of 12 rainy days, and a total of 457.9 mm of precipitation.
Is December a good time to visit Humboldt County? check out the best time to travel to Humboldt County page.
✨ Is December a good time to visit Humboldt County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
12°/9°
Temperatures
18 km/h
Avg max wind
82 %
Avg humidity
Humboldt County Weather December
Move between months or click on a day
Temperatures trend during December in Humboldt County
See the weather trend as well as the moving average line
December weather in Humboldt County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 13° /8° | 0 mm | 1.9 | |
| Dec. 2 |  Cloudy | 12° /9° | 0 mm | 1.8 | |
| Dec. 3 |  Mist | 12° /7° | 0 mm | 1.8 | |
| Dec. 4 | Mist | 12° /8° | 0 mm | 1.8 | |
| Dec. 5 | Mist | 12° /9° | 0 mm | 1.8 | |
| Dec. 6 |  Patchy rain possible | 12° /10° | 1 mm | 1.8 | |
| Dec. 7 |  Moderate or heavy rain shower | 11° /9° | 7.3 mm | 1.8 | |
| Dec. 8 | Mist | 12° /8° | 0 mm | 1.7 | |
| Dec. 9 |  Sunny | 14° /8° | 0 mm | 1.7 | |
| Dec. 10 |  Overcast | 13° /10° | 0 mm | 1.7 | |
| Dec. 11 | Overcast | 13° /9° | 0 mm | 1.7 | |
| Dec. 12 |  Heavy rain | 11° /9° | 28.5 mm | 1.7 | |
| Dec. 13 | Moderate or heavy rain shower | 12° /9° | 9 mm | 1.7 | |
| Dec. 14 |  Moderate or heavy rain with thunder | 12° /9° | 49.2 mm | 1.7 | |
| Dec. 15 | Overcast | 13° /9° | 0 mm | 1.7 | |
| Dec. 16 | Heavy rain | 13° /11° | 29.2 mm | 1.7 | |
| Dec. 17 | Heavy rain | 13° /11° | 37.1 mm | 1.7 | |
| Dec. 18 | Overcast | 13° /11° | 0 mm | 1.7 | |
| Dec. 19 | Heavy rain | 14° /9° | 41.2 mm | 1.7 | |
| Dec. 20 | Overcast | 13° /10° | 0 mm | 1.7 | |
| Dec. 21 | Moderate or heavy rain with thunder | 13° /10° | 47.5 mm | 1.7 | |
| Dec. 22 | Moderate or heavy rain with thunder | 13° /10° | 9.2 mm | 1.7 | |
| Dec. 23 | Heavy rain | 12° /10° | 35 mm | 1.7 | |
| Dec. 24 | Moderate or heavy rain with thunder | 13° /9° | 37.6 mm | 1.7 | |
| Dec. 25 |  Light rain | 11° /8° | 4.4 mm | 1.7 | |
| Dec. 26 | Moderate or heavy rain with thunder | 11° /9° | 53.7 mm | 1.7 | |
| Dec. 27 | Light rain | 11° /9° | 6.8 mm | 1.7 | |
| Dec. 28 | Heavy rain | 13° /9° | 26.8 mm | 1.7 | |
| Dec. 29 | Heavy rain | 13° /8° | 27.8 mm | 1.7 | |
| Dec. 30 | Partly cloudy | 10° /7° | 0 mm | 1.7 | |
| Dec. 31 | Light rain | 10° /7° | 6.4 mm | 1.7 | |
| Next | |||||
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.
Change Month
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 457.9 mm is expected in Humboldt County during December, occurring over more than 12 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 18 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 💧
Typically, Humboldt County has 12 rainy days in December with a total of 457.9 mm of rainfall.
Top locations in Humboldt County
Select a location for an accurate weather forecast
More Locations Quick links
More Humboldt County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.