Weather in Acton in May

General weather information about Acton

Average annual temperature is 8.7 °C

Absolute maximum temperature: 30.8 °C

Absolute minimum temperature: -25.2 °C

Number of sunny days: 147 days

Number of rainy days: 180 days

Number of snow days: 38 days

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

Acton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.112.19.626.229.330.530.027.930.827.213.111.9
Average daytime temperature (°C)0.72.23.713.719.223.425.923.421.814.86.44.1
Average temperature (°C)-1.9-3.3-0.97.612.818.120.618.616.811.12.61.5
Average night temperature (°C)-4.4-7.8-4.42.67.313.516.114.512.98.2-0.6-0.6
Absolute minimum temperature (°C)-15.4-25.2-10.2-6.60.49.312.69.26.2-1.1-7.0-5.4

Acton 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)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.46.46.58.311.211.211.410.49.95.65.32.3
Precipitation (mm)7377114117441211078820535191
Sunny days8131010221531118111511
Rainy days137919915282012201117
Snow days10812100000043

Acton - weather forecast by months

Acton weather in januaryActon weather in februaryActon weather in marchActon weather in aprilActon weather in mayActon weather in juneActon weather in julyActon weather in augustActon weather in septemberActon weather in octoberActon weather in novemberActon weather in december

Best time to visit Acton:

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

  • May — 11.2(h)
  • June — 11.2(h)
  • July — 11.4(h)
  • August — 10.4(h)
  • September — 9.9(h)

Months with the longest average daylight duration in Acton:

  • June — 15.4(h)

The largest precipitation sum in Acton is at

  • March — 114(mm)
  • April — 117(mm)
  • June — 121(mm)
  • July — 107(mm)

    • Weather forecast in the closest to Acton admin centers

    Weather forecast in the closest towns to Acton

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    Frequently asked questions

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