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Weather in Eureka for December 2025

Your guide to Eureka weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Eureka during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Eureka at the beginning of December is 3.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 9.1 °F by the end of December.

    • Rain 🌧️

  • Eureka experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 183.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
1
Snow days
Average temperatures
7°/1°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Eureka Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
0°
2
Moderate snow
0°
3
Partly cloudy
2°
4
Overcast
11°
5
Cloudy
0°
6
Cloudy
2°
7
Sunny
10°
8
Overcast
9°
9
Mist
10°
10
Overcast
6°
11
Patchy rain possible
2°
12
Partly cloudy
6°
13
Overcast
3°
14
Moderate or heavy rain shower
5°
15
Mist
11°
16
Moderate or heavy rain shower
14°
17
Overcast
10°
18
Mist
8°
19
Partly cloudy
7°
20
Partly cloudy
4°
21
Partly cloudy
3°
22
Sunny
5°
23
Overcast
5°
24
Heavy rain at times
5°
25
Fog
6°
26
Fog
8°
27
Heavy rain
11°
28
Overcast
11°
29
Fog
11°
30
Overcast
9°
31
Overcast
8°
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Access Eureka weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during December in Eureka

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 0° /-4° 0 mm 0 cm
Dec. 2 Moderate snow
Moderate snow
 0° /-2° 9.6 mm 7 cm
Dec. 3 Partly cloudy
Partly cloudy
 2° /-5° 0 mm 0 cm
Dec. 4 Overcast
Overcast
 11° /0° 0 mm 0 cm
Dec. 5 Cloudy
Cloudy
 0° /-7° 0 mm 0 cm
Dec. 6 Cloudy
Cloudy
 2° /-3° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 10° /0° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 9° /4° 0 mm 0 cm
Dec. 9 Mist
Mist
 10° /7° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 11 Patchy rain possible
Patchy rain possible
 2° /-2° 0 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
 6° /-2° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Dec. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /0° 69.6 mm 0 cm
Dec. 15 Mist
Mist
 11° /6° 0 mm 0 cm
Dec. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /7° 29.5 mm 0 cm
Dec. 17 Overcast
Overcast
 10° /3° 0 mm 0 cm
Dec. 18 Mist
Mist
 8° /3° 0 mm 0 cm
Dec. 19 Partly cloudy
Partly cloudy
 7° /-1° 0 mm 0 cm
Dec. 20 Partly cloudy
Partly cloudy
 4° /-2° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 3° /-2° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 5° /-1° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 5° /2° 0 mm 0 cm
Dec. 24 Heavy rain at times
Heavy rain at times
 5° /4° 33.3 mm 0 cm
Dec. 25 Fog
Fog
 6° /4° 0.9 mm 0 cm
Dec. 26 Fog
Fog
 8° /6° 0 mm 0 cm
Dec. 27 Heavy rain
Heavy rain
 11° /7° 35.7 mm 0 cm
Dec. 28 Overcast
Overcast
 11° /9° 3 mm 0 cm
Dec. 29 Fog
Fog
 11° /9° 0 mm 0 cm
Dec. 30 Overcast
Overcast
 9° /7° 2.4 mm 0 cm
Dec. 31 Overcast
Overcast
 8° /1° 0 mm 0 cm
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Important Notice
Our weather forecast for Eureka 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 Eureka forecast closer to your planned date for the most up-to-date weather information.

Eureka in December - FAQ

What are the expected maximum and minimum temperatures in Eureka during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Eureka during December?
Significant rainfall exceeding 183.9 mm is expected in Eureka during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Eureka in December 2025?
Eureka typically sees 7 cm of snowfall during December.
What are the typical wind conditions in Eureka during December?
The average wind speed in Eureka during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Eureka snow forecast December 2025

Track daily snowfall levels and discover Eureka’s snowy potential this December ❄️

December rainfall patterns in Eureka

Explore the daily rainfall trends and prepare for Eurekas December weather 💧

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Location coordinates Where is Eureka?

Get accurate weather forecasts for Eureka, located at latitude 38.503 and longitude -90.628. Stay updated with localized weather information tailored for Eureka.

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