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United States weather

Weather in Fairfield County, Connecticut for December 2025

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.
    According to Fairfield County snow forecast for December 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Tuesday, December 23.

    • Temperatures

  • Until now, December 2025 in Fairfield County is cooler than usual, with temperatures averaging 2.5 °F, this is -3.3 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Fairfield County with the forecast suggesting a temperature of 3.9 °F, lower than the historical average.

  • In general, the average temperature in Fairfield County at the beginning of December is 5.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 3.9 °F by the end of December.

    • Rain 🌧️

  • The climate of Fairfield County in December is notably wet, with an average of 13 rainy days, and a total of 299.4 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
1
Snow days
Average temperatures
7°/2°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Fairfield County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
6°
2
Mist
7°
3
Moderate rain
7°
4
Overcast
7°
5
Overcast
4°
6
Overcast
3°
7
Overcast
5°
8
Fog
6°
9
Mist
8°
10
Light rain shower
10°
11
Light sleet
10°
12
Cloudy
5°
13
Sunny
3°
14
Partly cloudy
2°
15
Overcast
4°
16
Partly cloudy
10°
17
Sunny
5°
18
Fog
6°
19
Heavy rain
11°
20
Partly cloudy
2°
21
Cloudy
6°
22
Sunny
-0°
23
Moderate snow
0°
24
Overcast
4°
25
Heavy snow
2°
26
Patchy rain possible
4°
27
Patchy rain possible
6°
28
Patchy rain possible
7°
29
Partly cloudy
0°
30
Patchy moderate snow
1°
31
Sunny
7°

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
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 6° /2° 1.3 mm 0 cm
Dec. 2 Mist
Mist
 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° /1° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 4° /-1° 16.5 mm 2.3 cm
Dec. 6 Overcast
Overcast
 3° /-1° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 5° /-1° 0 mm 0 cm
Dec. 8 Fog
Fog
 6° /-1° 0 mm 0 cm
Dec. 9 Mist
Mist
 8° /1° 10.3 mm 0 cm
Dec. 10 Light rain shower
Light rain shower
 10° /4° 8.9 mm 0 cm
Dec. 11 Light sleet
Light sleet
 10° /3° 41.4 mm 0 cm
Dec. 12 Cloudy
Cloudy
 5° /-1° 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 Partly cloudy
Partly cloudy
 10° /4° 26.4 mm 0 cm
Dec. 17 Sunny
Sunny
 5° /-2° 0 mm 0 cm
Dec. 18 Fog
Fog
 6° /-1° 0 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
 11° /2° 92.1 mm 0 cm
Dec. 20 Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
Dec. 21 Cloudy
Cloudy
 6° /-1° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 0° /-4° 0 mm 0 cm
Dec. 23 Moderate snow
Moderate snow
 0° /-5° 1.2 mm 0.5 cm
Dec. 24 Overcast
Overcast
 4° /-1° 0 mm 0 cm
Dec. 25 Heavy snow
Heavy snow
 2° /-1° 0.8 mm 0.4 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 4° /1° 3 mm 0 cm
Dec. 27 Patchy rain possible
Patchy rain possible
 6° /3° 2.4 mm 0 cm
Dec. 28 Patchy rain possible
Patchy rain possible
 7° /1° 2.8 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
 0° /-3° 0 mm 0 cm
Dec. 30 Patchy moderate snow
Patchy moderate snow
 1° /-3° 0.7 mm 0.5 cm
Dec. 31 Sunny
Sunny
 7° /1° 0 mm 0 cm
Next
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.
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Fairfield County in December - FAQ

What are the expected maximum and minimum temperatures in Fairfield County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Fairfield County during December?
Significant rainfall exceeding 299.4 mm is expected in Fairfield County during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Fairfield County in December 2025?
Fairfield County typically sees 3.39 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 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Fairfield County snow forecast December 2025

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 3.4 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 13 rainy days in December with a total of 299.4 mm of rainfall.
Top locations in Fairfield County
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Bridgeport
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Location coordinates Where is Fairfield County?

Get accurate weather forecasts for Fairfield County, located at latitude 41.179 and longitude -73.189. Stay updated with localized weather information tailored for Fairfield County.

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