Weather in Port Colborne in May

General weather information about Port Colborne

Average annual temperature is 10.3 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -14.9 °C

Number of sunny days: 136 days

Number of rainy days: 205 days

Number of snow days: 24 days

Look at detailed online map of Port Colborne

* Weather data for Port Colborne Canada is based on climate observations for 2026 year

Port Colborne air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.312.210.525.629.931.029.529.529.127.214.212.7
Average daytime temperature (°C)3.14.24.913.418.523.125.423.822.115.58.56.8
Average temperature (°C)0.40.01.28.113.118.621.720.018.112.75.24.2
Average night temperature (°C)-1.6-3.2-1.63.98.314.618.416.814.710.22.41.9
Absolute minimum temperature (°C)-9.5-14.9-6.2-4.52.510.514.712.19.30.2-4.5-3.8

Port Colborne 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)9.410.511.913.414.615.315.013.912.511.09.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.76.36.29.011.411.211.710.49.86.25.63.5
Precipitation (mm)11785108125447914011915806294
Sunny days6108132113691691312
Rainy days161416171017252214221517
Snow days947000000022

Port Colborne - weather forecast by months

Port Colborne weather in januaryPort Colborne weather in februaryPort Colborne weather in marchPort Colborne weather in aprilPort Colborne weather in mayPort Colborne weather in junePort Colborne weather in julyPort Colborne weather in augustPort Colborne weather in septemberPort Colborne weather in octoberPort Colborne weather in novemberPort Colborne weather in december

Best time to visit Port Colborne:

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

  • May — 11.4(h)
  • June — 11.2(h)
  • July — 11.7(h)
  • August — 10.4(h)
  • September — 9.8(h)

Months with the longest average daylight duration in Port Colborne:

  • June — 15.3(h)

The largest precipitation sum in Port Colborne is at

  • January — 117(mm)
  • April — 125(mm)
  • July — 140(mm)
  • August — 119(mm)

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    Frequently asked questions

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