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Weather in Fairfield County, Connecticut for December 2026

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

    Snow Forecast ❄️

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

  • Temperatures

  • In general, the average temperature in Fairfield County at the beginning of December is 5.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 5.1 °C by the end of December.

  • Rain 🌧️

  • Fairfield County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 290.4 mm.

  • More

  • Is December a good time to visit Fairfield County? check out the best time to travel to Fairfield County page.

  • ✨ Is December a good time to visit Fairfield County? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
1
Snow days
Average temperatures
5°/1°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Fairfield County Weather December

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Temperatures trend during December in Fairfield County

See the weather trend as well as the moving average line

December weather in Fairfield County day by day

Click on a date for more information
Date Weather Temperatures Rain Snow More
Dec. 1 Patchy rain possible
Patchy rain possible
6° /2° 1.3 mm 0 cm
Dec. 2 Heavy rain
Heavy rain
7° /2° 43.7 mm 0 cm
Dec. 3 Moderate rain
Moderate rain
7° /2° 10.2 mm 0 cm
Dec. 4 Overcast
Overcast
7° /2° 0 mm 0 cm
Dec. 5 Light snow
Light snow
4° /-1° 16.5 mm 2.3 cm
Dec. 6 Overcast
Overcast
3° /0° 0 mm 0 cm
Dec. 7 Overcast
Overcast
4° /0° 0 mm 0 cm
Dec. 8 Fog
Fog
5° /-1° 0 mm 0 cm
Dec. 9 Moderate rain
Moderate rain
7° /1° 10.3 mm 0 cm
Dec. 10 Light rain
Light rain
9° /4° 8.9 mm 0 cm
Dec. 11 Light sleet
Light sleet
10° /3° 41.4 mm 0 cm
Dec. 12 Light rain
Light rain
5° /0° 5.5 mm 0 cm
Dec. 13 Sunny
Sunny
3° /-1° 0 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
2° /-2° 0 mm 0 cm
Dec. 15 Overcast
Overcast
4° /-2° 0 mm 0 cm
Dec. 16 Moderate rain
Moderate rain
6° /2° 17.6 mm 0 cm
Dec. 17 Moderate rain
Moderate rain
8° /4° 15 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
9° /3° 18.8 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
8° /1° 26.8 mm 0 cm
Dec. 20 Overcast
Overcast
4° /0° 0 mm 0 cm
Dec. 21 Overcast
Overcast
3° /-1° 0 mm 0 cm
Dec. 22 Sunny
Sunny
1° /-3° 0 mm 0 cm
Dec. 23 Light snow
Light snow
3° /-2° 4.5 mm 2.2 cm
Dec. 24 Overcast
Overcast
5° /1° 0.5 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
4° /1° 1.1 mm 0 cm
Dec. 26 Fog
Fog
3° /-1° 0 mm 0 cm
Dec. 27 Moderate rain
Moderate rain
4° /1° 13.7 mm 7.2 cm
Dec. 28 Moderate rain
Moderate rain
6° /1° 20.7 mm 0 cm
Dec. 29 Light rain
Light rain
8° /4° 9 mm 0 cm
Dec. 30 Moderate rain
Moderate rain
6° /3° 24.8 mm 0 cm
Dec. 31 Sunny
Sunny
4° /0° 0 mm 0 cm
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Important Notice
Our weather forecast for Fairfield 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 Fairfield County forecast closer to your planned date for the most up-to-date weather information.

Fairfield County in December - FAQ

What are the expected maximum and minimum temperatures in Fairfield County during December?

During December, expect a variety of temperatures with highs around 5° and lows near 1°, suitable for diverse activities and preferences.

How much rainfall should be expected in Fairfield County during December?

Significant rainfall exceeding 290.4 mm is expected in Fairfield County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Fairfield County in December 2026?

Fairfield County typically sees 11.7 cm of snowfall during December.

What are the typical wind conditions in Fairfield County during December?

The average wind speed in Fairfield County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Fairfield County snow forecast December 2026

Track daily snowfall levels and discover Fairfield County’s snowy potential this December ❄️
On average, Fairfield County sees 1 snowy days during December, with approximately 11.7 cm of total snowfall.

December rainfall patterns in Fairfield County

Explore the daily rainfall trends and prepare for Fairfield Countys December weather 💧
Typically, Fairfield County has 9 rainy days in December with a total of 290.4 mm of rainfall.
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