Best year time to visit Port Williams

General weather information about Port Williams

Average annual temperature is 9.3 °C

Absolute maximum temperature: 30.3 °C

Absolute minimum temperature: -5.4 °C

Number of sunny days: 149 days

Number of rainy days: 213 days

Number of snow days: 3 days

Look at detailed online map of Port Williams

* Weather data for Port Williams United States is based on climate observations for 2026 year

Port Williams air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.910.911.918.627.525.627.930.324.718.714.614.2
Average daytime temperature (°C)6.65.78.09.917.818.821.923.118.013.68.88.5
Average temperature (°C)3.72.33.35.613.013.716.717.913.69.85.75.6
Average night temperature (°C)1.3-0.3-0.52.39.29.512.313.510.46.93.23.3
Absolute minimum temperature (°C)-5.0-5.4-4.2-4.04.14.29.58.85.0-0.9-1.0-1.7

Port Williams monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.015.015.013.011.09.08.0
Daylight mean duration (h)8.910.211.913.715.216.015.614.312.610.89.38.4
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.010.08.08.0
Sunshine mean duration (h)3.84.57.46.811.712.313.611.88.96.65.43.3
Precipitation (mm)221881242044628374010796193306
Sunny days3465182023221516125
Rainy days2722252513108915151826
Snow days120000000000

Best time to visit Port Williams:

The best time to visit Port Williams during the most sunny months:

  • May — 11.7(h)
  • June — 12.3(h)
  • July — 13.6(h)
  • August — 11.8(h)

Months with the longest average daylight duration in Port Williams:

  • June — 16.0(h)
  • July — 15.6(h)

The largest precipitation sum in Port Williams is at

  • January — 221(mm)
  • April — 204(mm)
  • November — 193(mm)
  • December — 306(mm)
  • Frequently asked questions

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