Best year time to visit South Andover

General weather information about South Andover

Average annual temperature is 7.5 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -30.5 °C

Number of sunny days: 153 days

Number of rainy days: 171 days

Number of snow days: 41 days

Look at detailed online map of South Andover

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

South Andover air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.38.37.725.230.032.729.826.630.426.912.912.2
Average daytime temperature (°C)1.4-0.43.912.118.520.725.422.522.315.95.33.2
Average temperature (°C)-2.7-6.5-0.85.811.815.920.817.616.610.90.6-1.0
Average night temperature (°C)-6.2-12.1-5.40.35.411.816.613.312.06.8-2.9-4.4
Absolute minimum temperature (°C)-14.0-30.5-12.2-12.0-2.16.511.38.94.7-0.9-8.3-13.9

South Andover monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.96.87.47.611.26.89.79.58.85.86.64.4
Precipitation (mm)12141757115524320015410814758183
Sunny days813121720441214141817
Rainy days954131126271916171113
Snow days141015000000011

South Andover - weather forecast by months

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

Best time to visit South Andover:

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

  • May — 11.2(h)
  • July — 9.7(h)
  • August — 9.5(h)

Months with the longest average daylight duration in South Andover:

  • June — 15.5(h)

The largest precipitation sum in South Andover is at

  • June — 243(mm)
  • July — 200(mm)
  • December — 183(mm)

    • Weather forecast in the closest to South Andover admin centers

    Weather forecast in the closest towns to South Andover

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    Frequently asked questions

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