Best year time to visit South Norwalk

General weather information about South Norwalk

Average annual temperature is 12.4 °C

Absolute maximum temperature: 33.7 °C

Absolute minimum temperature: -17.8 °C

Number of sunny days: 170 days

Number of rainy days: 190 days

Number of snow days: 5 days

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* Weather data for South Norwalk United States is based on climate observations for 2026 year

South Norwalk air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.918.114.630.027.729.032.729.633.725.818.715.6
Average daytime temperature (°C)7.77.29.216.620.023.628.426.123.518.610.88.6
Average temperature (°C)4.32.94.711.514.918.923.922.119.314.46.35.0
Average night temperature (°C)1.4-1.00.97.49.914.720.118.515.810.82.52.0
Absolute minimum temperature (°C)-3.8-17.8-3.1-0.85.48.715.714.710.35.3-3.6-5.4

South Norwalk monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.67.48.812.310.811.610.17.77.77.45.3
Precipitation (mm)1505212413053671461572449557214
Sunny days1217151120126912181919
Rainy days19814191118252218131112
Snow days032000000000

South Norwalk - weather forecast by months

South Norwalk weather in januarySouth Norwalk weather in februarySouth Norwalk weather in marchSouth Norwalk weather in aprilSouth Norwalk weather in maySouth Norwalk weather in juneSouth Norwalk weather in julySouth Norwalk weather in augustSouth Norwalk weather in septemberSouth Norwalk weather in octoberSouth Norwalk weather in novemberSouth Norwalk weather in december

Best time to visit South Norwalk:

The best time to visit South Norwalk during the most sunny months:

  • May — 12.3(h)
  • June — 10.8(h)
  • July — 11.6(h)

The largest precipitation sum in South Norwalk is at

  • August — 157(mm)
  • September — 244(mm)
  • December — 214(mm)

    • Weather forecast in the closest to South Norwalk admin centers

    Weather forecast in the closest towns to South Norwalk

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    Frequently asked questions

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