Best year time to visit Fairfield County

General weather information about Fairfield County

Average annual temperature is 17.6 °C

Absolute maximum temperature: 36.2 °C

Absolute minimum temperature: -3.2 °C

Number of sunny days: 192 days

Number of rainy days: 173 days

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* Weather data for Fairfield County United States is based on climate observations for 2026 year

Fairfield County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.425.627.529.232.533.635.936.233.628.526.721.7
Average daytime temperature (°C)14.818.219.623.225.129.533.732.628.723.617.514.6
Average temperature (°C)9.712.713.517.119.423.527.326.622.817.711.79.3
Average night temperature (°C)5.78.38.211.614.618.522.721.917.912.97.35.3
Absolute minimum temperature (°C)-3.2-2.1-1.34.07.813.319.519.914.07.8-1.8-2.7

Fairfield County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.47.48.39.59.611.011.611.010.28.97.76.6
Precipitation (mm)135921351521288257152394467149
Sunny days151118121515101120242021
Rainy days16171318161521201071010
Snow days000000000000

Fairfield County - weather forecast by months

Fairfield County weather in januaryFairfield County weather in februaryFairfield County weather in marchFairfield County weather in aprilFairfield County weather in mayFairfield County weather in juneFairfield County weather in julyFairfield County weather in augustFairfield County weather in septemberFairfield County weather in octoberFairfield County weather in novemberFairfield County weather in december

Best time to visit Fairfield County:

The best time to visit Fairfield County during the most sunny months:

  • July — 11.6(h)

The largest precipitation sum in Fairfield County is at

  • January — 135(mm)
  • March — 135(mm)
  • April — 152(mm)
  • August — 152(mm)
  • December — 149(mm)

    • Weather forecast in the closest to Fairfield County admin centers

    Weather forecast in the closest towns to Fairfield County

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    Frequently asked questions

    When is the best time to visit Fairfield County?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Fairfield County.
    What is the weather like in Fairfield County?
    See average temperature, rainfall and daylight hours for Fairfield County by month in the table above.
    How many sunny days does Fairfield County have?
    The monthly weather statistics above show sunshine and rainfall patterns for Fairfield County throughout the year.