Manitoba weather in August 2025

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Manitoba in August based on long-term weather averages. There is usually 10 days with some rainfall and 73 mm of average monthly rainfall in August.

  • 25°C maximum daytime temperature in August in Manitoba (Winnipeg)25
    25°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Manitoba (Winnipeg)10
    10 days with some rainfall
  • 12°C minimum night-time temperature in August in Manitoba (Winnipeg)12
    12°C min night temperature
  • 14 hours of daylight per day in August in Manitoba (Winnipeg)14
    14 hours of daylight per day
  • No heat & humidity in August in Manitoba (Winnipeg)0
    No heat & humidity
  • 73 mm monthly rainfall in August in Manitoba (Winnipeg)73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Manitoba (Winnipeg)6
    6 (High) UV index

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The August weather guide for Manitoba (Winnipeg) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Manitoba destinations

Below are average maximum temperatures at popular countries, regions and places in Manitoba in August. Select a holiday destination to see more weather parameters.

All Manitoba destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

How hot is it in Manitoba in August?

Daytime temperatures usually reach 25°C in Winnipeg, Manitoba in August with no heat and humidity, falling to 12°C at night.

How sunny is it in Manitoba in August?

There are normally 9 hours of bright sunshine each day in Winnipeg, Manitoba in August - that's 63% of daylight hours.

Does it rain in Manitoba in August?

There are usually 10 days with some rain in Winnipeg, Manitoba in August and the average monthly rainfall is 73mm.

Manitoba August sunrise & sunset times

Browse the sunrise and sunset times for Manitoba in August 2025. Select a month to view Manitoba sunrise and sunset times for the next 12 months. The Manitoba sunrise and sunset times shown below are for Winnipeg.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:59 20:10
Saturday, 16th August 2025 05:21 19:44
Sunday, 31st August 2025 05:43 19:14

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