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United States weather

Weather in Clark County, Washington for December 2025

Your guide to Clark County weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Winter Weather Advisory - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Clark County has been nearly identical to the historical average, with a temperature of 9.9 °F (showing only a slight deviation of 0.5 °F).

  • The forecast for the next days in Clark County predicts temperatures to be around 7 °F, close to the historical average.

  • In general, the average temperature in Clark County at the beginning of December is 9.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 7.4 °F by the end of December.

    • Rain 🌧️

  • Clark County experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 426.2 mm.

    • More

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

Average dry days
4
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Clark County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
8°
2
Light rain shower
9°
3
Heavy rain
10°
4
Light rain
10°
5
Heavy rain
11°
6
Overcast
10°
7
Light rain shower
9°
8
Fog
9°
9
Moderate rain
8°
10
Moderate rain
10°
11
Light drizzle
10°
12
Mist
9°
13
Partly cloudy
9°
14
Patchy rain possible
8°
15
Cloudy
10°
16
Moderate or heavy rain shower
9°
17
Sunny
11°
18
Light drizzle
10°
19
Light rain
9°
20
Mist
9°
21
Weather Alert Patchy rain possible
8°
22
Patchy rain possible
8°
23
Patchy rain possible
8°
24
Partly cloudy
7°
25
Patchy rain possible
7°
26
Partly cloudy
8°
27
Sunny
9°
28
Sunny
8°
29
Patchy rain possible
7°
30
Moderate rain
8°
31
Patchy rain possible
5°

Temperatures trend during December in Clark County

See the weather trend as well as the moving average line

December weather in Clark County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Mist
Mist
 8° /1° 2.8 mm 2
Dec. 2 Light rain shower
Light rain shower
 9° /3° 15.6 mm 3
Dec. 3 Heavy rain
Heavy rain
 10° /3° 21.9 mm 3
Dec. 4 Light rain
Light rain
 10° /5° 3.6 mm 3
Dec. 5 Heavy rain
Heavy rain
 11° /5° 23.9 mm 3
Dec. 6 Overcast
Overcast
 10° /5° 16.8 mm 3
Dec. 7 Light rain shower
Light rain shower
 9° /5° 28 mm 2
Dec. 8 Fog
Fog
 9° /5° 26.7 mm 2
Dec. 9 Moderate rain
Moderate rain
 8° /4° 52.3 mm 2
Dec. 10 Moderate rain
Moderate rain
 10° /6° 16.3 mm 2
Dec. 11 Light drizzle
Light drizzle
 10° /6° 0.4 mm 3
Dec. 12 Mist
Mist
 9° /5° 2.7 mm 2
Dec. 13 Partly cloudy
Partly cloudy
 9° /5° 8.7 mm 2
Dec. 14 Patchy rain possible
Patchy rain possible
 8° /5° 11.4 mm 2
Dec. 15 Cloudy
Cloudy
 10° /6° 3.9 mm 2
Dec. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /5° 20.5 mm 2
Dec. 17 Sunny
Sunny
 11° /5° 25.4 mm 3
Dec. 18 Light drizzle
Light drizzle
 10° /4° 30.8 mm 3
Dec. 19 Light rain
Light rain
 9° /5° 20.3 mm 2
Dec. 20 Mist
Mist
 9° /5° 0 mm 3
Dec. 21 Patchy rain possible
Patchy rain possible
 8° /5° 2.4 mm 0.1
Dec. 22 Patchy rain possible
Patchy rain possible
 8° /5° 1.8 mm 0.1
Dec. 23 Patchy rain possible
Patchy rain possible
 8° /5° 2.6 mm 0
Dec. 24 Partly cloudy
Partly cloudy
 7° /3° 0 mm 0.1
Dec. 25 Patchy rain possible
Patchy rain possible
 7° /2° 0.7 mm 0
Dec. 26 Partly cloudy
Partly cloudy
 8° /2° 0 mm 2
Dec. 27 Sunny
Sunny
 9° /2° 0 mm 2
Dec. 28 Sunny
Sunny
 8° /0° 0 mm 2
Dec. 29 Patchy rain possible
Patchy rain possible
 7° /0° 2.1 mm 1
Dec. 30 Moderate rain
Moderate rain
 8° /5° 7.1 mm 2
Dec. 31 Patchy rain possible
Patchy rain possible
 5° /3° 2.9 mm 1
Next
Important Notice
Our weather forecast for Clark 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 Clark County forecast closer to your planned date for the most up-to-date weather information.
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Clark County in December - FAQ

What are the expected maximum and minimum temperatures in Clark County during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Clark County during December?
Significant rainfall exceeding 426.2 mm is expected in Clark County during December, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Clark County in December 2025?
Clark County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Clark County during December?
The average wind speed in Clark County during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Clark County

Explore the daily rainfall trends and prepare for Clark Countys December weather 💧
Typically, Clark County has 27 rainy days in December with a total of 426.2 mm of rainfall.
Top locations in Clark County
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HendersonLas VegasNorth Las VegasParadiseSpring ValleySunrise ManorThorpVancouver
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Location coordinates Where is Clark County?

Get accurate weather forecasts for Clark County, located at latitude 45.639 and longitude -122.661. Stay updated with localized weather information tailored for Clark County.

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