Best year time to visit Harrow

General weather information about Harrow

Average annual temperature is 10.9 °C

Absolute maximum temperature: 29.9 °C

Absolute minimum temperature: -16.5 °C

Number of sunny days: 158 days

Number of rainy days: 191 days

Number of snow days: 16 days

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

Harrow air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.513.112.821.025.529.528.928.229.924.315.412.5
Average daytime temperature (°C)2.84.85.912.818.423.526.024.721.915.59.06.1
Average temperature (°C)0.50.42.48.813.619.522.621.119.112.85.64.0
Average night temperature (°C)-1.4-2.6-0.15.39.615.919.617.916.410.62.82.2
Absolute minimum temperature (°C)-14.1-16.5-5.5-2.92.911.616.611.511.5-0.7-4.9-3.1

Harrow monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.37.27.09.011.312.412.010.89.56.56.53.6
Precipitation (mm)83879712442481618038794068
Sunny days71571223188131691911
Rainy days1712191881223181422919
Snow days715000000021

Harrow - weather forecast by months

Harrow weather in januaryHarrow weather in februaryHarrow weather in marchHarrow weather in aprilHarrow weather in mayHarrow weather in juneHarrow weather in julyHarrow weather in augustHarrow weather in septemberHarrow weather in octoberHarrow weather in novemberHarrow weather in december

Best time to visit Harrow:

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

  • May — 11.3(h)
  • June — 12.4(h)
  • July — 12.0(h)
  • August — 10.8(h)

The largest precipitation sum in Harrow is at

  • April — 124(mm)
  • July — 161(mm)

    • Weather forecast in the closest to Harrow admin centers

    Weather forecast in the closest towns to Harrow

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    Frequently asked questions

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