Weather in Dennis in May

General weather information about Dennis

Average annual temperature is 6.7 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -29.5 °C

Number of sunny days: 148 days

Number of rainy days: 172 days

Number of snow days: 45 days

Look at detailed online map of Dennis

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

Dennis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.88.98.317.632.034.031.725.228.425.211.513.6
Average daytime temperature (°C)-1.1-4.12.510.116.820.427.122.322.215.74.62.7
Average temperature (°C)-5.5-9.6-1.74.210.515.422.017.716.811.1-0.1-1.4
Average night temperature (°C)-9.4-14.5-5.4-0.65.111.418.014.012.77.8-3.5-4.7
Absolute minimum temperature (°C)-21.2-29.5-13.9-9.00.34.313.310.15.0-1.7-9.2-13.2

Dennis monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.87.36.58.79.36.010.38.58.25.85.94.5
Precipitation (mm)15642943811915613916810711068119
Sunny days111610161472516131721
Rainy days93811172329261416115
Snow days11913300000225

Dennis - weather forecast by months

Dennis weather in januaryDennis weather in februaryDennis weather in marchDennis weather in aprilDennis weather in mayDennis weather in juneDennis weather in julyDennis weather in augustDennis weather in septemberDennis weather in octoberDennis weather in novemberDennis weather in december

Best time to visit Dennis:

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

  • May — 9.3(h)
  • July — 10.3(h)

Months with the longest average daylight duration in Dennis:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Dennis is at

  • January — 156(mm)
  • June — 156(mm)
  • July — 139(mm)
  • August — 168(mm)

    • Weather forecast in the closest to Dennis admin centers

    Weather forecast in the closest towns to Dennis

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    Frequently asked questions

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