Clatsop County (Astoria)
December
Weather in Clatsop County for December 2025
Your guide to Clatsop County weather in December - trends and predictions
In general, the average temperature in Clatsop County at the beginning of December is 9.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 9 °F by the end of December.
Clatsop County experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 497.2 mm.
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Temperatures
Rain 🌧️
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9
Dry days
22
Rainy days
0
Snow days
9°/7°
Temperatures
22 km/h
Avg max wind
84 %
Avg humidity
Clatsop County in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  9° | 3  9° | 4 9° | 5  8° | 6  10° | 7  11° |
| 8  9° | 9  9° | 10 8° | 11 9° | 12 8° | 13 9° | 14 9° |
| 15 7° | 16  8° | 17 10° | 18 11° | 19 11° | 20 11° | 21 10° |
| 22 10° | 23 10° | 24 9° | 25  9° | 26 10° | 27 9° | 28 10° |
| 29 9° | 30 8° | 31 8° |
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Temperatures trend during December in Clatsop 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 | Sunny | 8° /5° | 0 mm | 3 | |
| Dec. 2 | Partly cloudy | 9° /5° | 0 mm | 3 | |
| Dec. 3 | Fog | 9° /0° | 0 mm | 2 | |
| Dec. 4 | Sunny | 9° /5° | 0 mm | 3 | |
| Dec. 5 | Heavy rain at times | 8° /5° | 8.3 mm | 2 | |
| Dec. 6 | Overcast | 10° /8° | 0 mm | 3 | |
| Dec. 7 | Heavy rain | 11° /9° | 62 mm | 3 | |
| Dec. 8 | Light rain shower | 9° /7° | 9.8 mm | 2 | |
| Dec. 9 | Cloudy | 9° /5° | 0 mm | 2 | |
| Dec. 10 | Cloudy | 8° /4° | 0 mm | 2 | |
| Dec. 11 | Overcast | 9° /6° | 0.6 mm | 2 | |
| Dec. 12 | Heavy rain at times | 8° /6° | 8.2 mm | 2 | |
| Dec. 13 | Overcast | 9° /8° | 2.4 mm | 2 | |
| Dec. 14 | Light rain shower | 9° /7° | 12 mm | 2 | |
| Dec. 15 | Overcast | 7° /6° | 1.7 mm | 2 | |
| Dec. 16 | Moderate rain at times | 8° /5° | 19.3 mm | 2 | |
| Dec. 17 | Moderate or heavy rain shower | 10° /8° | 18.9 mm | 3 | |
| Dec. 18 | Heavy rain | 11° /9° | 45.8 mm | 3 | |
| Dec. 19 | Moderate rain at times | 11° /10° | 22.7 mm | 3 | |
| Dec. 20 | Overcast | 11° /10° | 0 mm | 3 | |
| Dec. 21 | Moderate or heavy rain shower | 10° /9° | 19.9 mm | 3 | |
| Dec. 22 | Moderate or heavy rain shower | 10° /8° | 57.5 mm | 3 | |
| Dec. 23 | Heavy rain at times | 10° /8° | 29.6 mm | 3 | |
| Dec. 24 | Moderate or heavy rain shower | 9° /8° | 15.3 mm | 2 | |
| Dec. 25 | Moderate rain | 9° /7° | 31.2 mm | 2 | |
| Dec. 26 | Light rain shower | 10° /9° | 65.9 mm | 3 | |
| Dec. 27 | Moderate or heavy rain shower | 9° /7° | 52.1 mm | 2 | |
| Dec. 28 | Light rain shower | 10° /8° | 11.3 mm | 3 | |
| Dec. 29 | Patchy rain possible | 9° /7° | 17.9 mm | 3 | |
| Dec. 30 | Light rain shower | 8° /7° | 7 mm | 2 | |
| Dec. 31 | Partly cloudy | 8° /5° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Clatsop 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 Clatsop County forecast closer to your planned date for the most up-to-date weather information.
Clatsop County in December - FAQ
What are the expected maximum and minimum temperatures in Clatsop County during December?
During December, expect a variety of temperatures with highs around 9° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Clatsop County during December?
Significant rainfall exceeding 497.2 mm is expected in Clatsop County during December, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Clatsop County in December 2025?
Clatsop County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Clatsop County during December?
The average wind speed in Clatsop County during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Clatsop County
Explore the daily rainfall trends and prepare for Clatsop Countys December weather 💧
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Where is Clatsop County?Get accurate weather forecasts for Clatsop County, located at latitude 46.188 and longitude -123.831. Stay updated with localized weather information tailored for Clatsop County.
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