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Olympia (WA)
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Weather in Olympia, Washington for December 2025

Your guide to Olympia weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Olympia during December is quite rare, with fewer than 2 snowy days on average.
    According to Olympia snow forecast for December 2025, 5 snowy days are expected in the next 2 weeks. The closest date with snow is Wednesday, December 10.

    • Temperatures

  • The forecast for the next days in Olympia predicts temperatures to be around 4 °F, close to the historical average.

  • In general, the average temperature in Olympia at the beginning of December is 7.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 7.4 °F by the end of December.

    • Rain 🌧️

  • Olympia experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 279 mm.

    • More

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

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Olympia Weather December

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

Temperatures trend during December in Olympia

See the weather trend as well as the moving average line

December weather in Olympia day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Fog
Fog
 9° /1° 0 mm 0 cm
Dec. 2 Overcast
Overcast
 6° /4° 0 mm 0 cm
Dec. 3 Overcast
Overcast
 5° /2° 0 mm 0 cm
Dec. 4 Moderate rain
Moderate rain
 7° /3° 10 mm 0 cm
Dec. 5 Moderate rain
Moderate rain
 10° /8° 7 mm 0 cm
Dec. 6 Patchy rain possible
Patchy rain possible
 8° /6° 1 mm 0 cm
Dec. 7 Moderate rain
Moderate rain
 8° /7° 8.2 mm 0 cm
Dec. 8 Moderate rain
Moderate rain
 5° /3° 6.9 mm 0 cm
Dec. 9 Moderate rain
Moderate rain
 4° /1° 5.3 mm 0 cm
Dec. 10 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-2° 3.1 mm 2.2 cm
Dec. 11 Light snow showers
Light snow showers
 1° /-3° 0.9 mm 0.6 cm
Dec. 12 Moderate snow
Moderate snow
 2° /-5° 1.5 mm 1.1 cm
Dec. 13 Heavy snow
Heavy snow
 -2° /-6° 4.1 mm 2.9 cm
Dec. 14 Moderate snow
Moderate snow
 -5° /-8° 1.2 mm 0.8 cm
Dec. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /4° 6.2 mm 0 cm
Dec. 16 Heavy rain at times
Heavy rain at times
 8° /3° 12.6 mm 0 cm
Dec. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /5° 31.7 mm 0 cm
Dec. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 27.2 mm 0 cm
Dec. 19 Heavy rain at times
Heavy rain at times
 11° /5° 11.9 mm 0 cm
Dec. 20 Patchy rain possible
Patchy rain possible
 11° /8° 0.9 mm 0 cm
Dec. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /7° 6.5 mm 0 cm
Dec. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /7° 19.3 mm 0 cm
Dec. 23 Overcast
Overcast
 10° /8° 8 mm 0 cm
Dec. 24 Patchy rain possible
Patchy rain possible
 9° /7° 2.5 mm 0 cm
Dec. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /5° 26.2 mm 0 cm
Dec. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /5° 25.3 mm 0 cm
Dec. 27 Heavy rain at times
Heavy rain at times
 9° /6° 18.1 mm 0 cm
Dec. 28 Moderate rain at times
Moderate rain at times
 9° /7° 11 mm 0 cm
Dec. 29 Heavy rain at times
Heavy rain at times
 7° /5° 10.1 mm 0 cm
Dec. 30 Heavy rain at times
Heavy rain at times
 6° /4° 3.1 mm 0 cm
Dec. 31 Overcast
Overcast
 6° /3° 2.2 mm 0 cm
Next
Important Notice
Our weather forecast for Olympia 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 Olympia forecast closer to your planned date for the most up-to-date weather information.
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Olympia in December - FAQ

What are the expected maximum and minimum temperatures in Olympia during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Olympia during December?
Significant rainfall exceeding 279 mm is expected in Olympia during December, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Olympia in December 2025?
Olympia typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Olympia during December?
The average wind speed in Olympia during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Olympia snow forecast December 2025

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

December rainfall patterns in Olympia

Explore the daily rainfall trends and prepare for Olympias December weather 💧
Typically, Olympia has 21 rainy days in December with a total of 279 mm of rainfall.

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Get accurate weather forecasts for Olympia, located at latitude 47.038 and longitude -122.901. Stay updated with localized weather information tailored for Olympia.

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