Best year time to visit Porterton

General weather information about Porterton

Average annual temperature is 17.9 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -4.5 °C

Number of sunny days: 186 days

Number of rainy days: 179 days

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

Porterton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.227.027.129.832.635.736.638.232.531.527.021.4
Average daytime temperature (°C)14.517.218.921.727.832.032.732.830.425.017.914.3
Average temperature (°C)9.611.213.015.721.425.327.027.124.019.112.38.8
Average night temperature (°C)5.97.18.410.916.019.922.722.618.914.27.84.7
Absolute minimum temperature (°C)-2.8-3.6-4.54.87.515.919.017.415.12.7-0.3-2.2

Porterton 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)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.76.37.87.811.212.411.210.610.88.56.87.1
Precipitation (mm)160135158191459510812457264363
Sunny days141015131211101617252221
Rainy days1718161719192115136810
Snow days000000000000

Porterton - weather forecast by months

Porterton weather in januaryPorterton weather in februaryPorterton weather in marchPorterton weather in aprilPorterton weather in mayPorterton weather in junePorterton weather in julyPorterton weather in augustPorterton weather in septemberPorterton weather in octoberPorterton weather in novemberPorterton weather in december

Best time to visit Porterton:

The best time to visit Porterton during the most sunny months:

  • May — 11.2(h)
  • June — 12.4(h)
  • July — 11.2(h)

The largest precipitation sum in Porterton is at

  • January — 160(mm)
  • February — 135(mm)
  • March — 158(mm)
  • April — 191(mm)

    • Weather forecast in the closest to Porterton admin centers

    Weather forecast in the closest towns to Porterton

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    Frequently asked questions

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