Best year time to visit City of Portland

General weather information about City of Portland

Average annual temperature is 15.5 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -6.5 °C

Number of sunny days: 173 days

Number of rainy days: 190 days

Number of snow days: 2 days

Look at detailed online map of City of Portland

* Weather data for City of Portland United States is based on climate observations for 2026 year

City of Portland air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.124.023.927.529.633.635.936.731.929.425.818.5
Average daytime temperature (°C)11.214.815.320.525.329.331.130.027.221.715.811.8
Average temperature (°C)6.88.79.514.419.222.925.424.621.516.310.06.8
Average night temperature (°C)3.44.64.89.114.217.420.920.216.712.05.73.2
Absolute minimum temperature (°C)-4.3-6.1-6.52.17.012.016.514.312.3-1.1-4.7-5.8

City of Portland monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.413.512.411.310.29.7
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.96.37.89.110.911.511.59.910.37.87.96.3
Precipitation (mm)1681511519310911815115086465560
Sunny days11121914131371314192216
Rainy days19151216181724181612815
Snow days110000000000

Best time to visit City of Portland:

The best time to visit City of Portland during the most sunny months:

  • May — 10.9(h)
  • June — 11.5(h)
  • July — 11.5(h)

The largest precipitation sum in City of Portland is at

  • January — 168(mm)
  • February — 151(mm)
  • March — 151(mm)
  • July — 151(mm)
  • August — 150(mm)
  • Frequently asked questions

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