Best year time to visit Bolton

General weather information about Bolton

Average annual temperature is 9.1 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -28.7 °C

Number of sunny days: 150 days

Number of rainy days: 180 days

Number of snow days: 35 days

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

Bolton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.612.89.628.230.531.430.529.332.729.514.512.7
Average daytime temperature (°C)1.02.94.414.419.824.026.624.323.015.67.04.7
Average temperature (°C)-1.7-3.0-0.48.113.018.521.019.017.311.73.01.8
Average night temperature (°C)-4.3-7.9-4.33.17.213.516.214.812.98.6-0.5-0.6
Absolute minimum temperature (°C)-14.8-28.7-11.4-6.3-0.19.712.48.96.3-1.5-6.4-6.0

Bolton 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)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.76.26.28.311.311.311.410.59.75.55.02.5
Precipitation (mm)7870911056613614412437614283
Sunny days911111123154131991510
Rainy days1310717815271811211419
Snow days9713200000112

Bolton - weather forecast by months

Bolton weather in januaryBolton weather in februaryBolton weather in marchBolton weather in aprilBolton weather in mayBolton weather in juneBolton weather in julyBolton weather in augustBolton weather in septemberBolton weather in octoberBolton weather in novemberBolton weather in december

Best time to visit Bolton:

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

  • May — 11.3(h)
  • June — 11.3(h)
  • July — 11.4(h)
  • August — 10.5(h)
  • September — 9.7(h)

Months with the longest average daylight duration in Bolton:

  • June — 15.4(h)

The largest precipitation sum in Bolton is at

  • June — 136(mm)
  • July — 144(mm)
  • August — 124(mm)

    • Weather forecast in the closest to Bolton admin centers

    Weather forecast in the closest towns to Bolton

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    Frequently asked questions

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