Best year time to visit South Bellingham

General weather information about South Bellingham

Average annual temperature is 10.9 °C

Absolute maximum temperature: 28.5 °C

Absolute minimum temperature: -7.2 °C

Number of sunny days: 171 days

Number of rainy days: 191 days

Number of snow days: 3 days

Look at detailed online map of South Bellingham

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

South Bellingham air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.311.116.621.428.526.227.928.524.723.916.313.4
Average daytime temperature (°C)8.56.810.711.919.219.622.723.719.615.410.09.2
Average temperature (°C)5.63.85.67.914.415.118.218.915.411.66.76.6
Average night temperature (°C)3.41.72.05.010.311.614.114.812.18.64.14.3
Absolute minimum temperature (°C)-3.6-7.2-2.80.75.68.512.011.76.9-0.6-1.5-1.4

South Bellingham monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.44.17.66.711.311.613.411.99.26.04.72.7
Precipitation (mm)931191311292327192065122182224
Sunny days84107211927241616145
Rainy days2222212310114714151626
Snow days120000000000

South Bellingham - weather forecast by months

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

Best time to visit South Bellingham:

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

  • May — 11.3(h)
  • June — 11.6(h)
  • July — 13.4(h)
  • August — 11.9(h)

Months with the longest average daylight duration in South Bellingham:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in South Bellingham is at

  • March — 131(mm)
  • April — 129(mm)
  • October — 122(mm)
  • November — 182(mm)
  • December — 224(mm)

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    Frequently asked questions

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