Mattawa Weather in May

What's the weather like in Mattawa (Ontario) in May 2024?

The climate in Mattawa during May can be summarized as mild and reasonably dry.

May is in the spring in Mattawa and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 3°C (38°F) is normal.

Mattawa weather averages (imperial / metric)
Daytime temperature 17.6°C 63.7°F
Nightly temperature 3.2°C 37.8°F
Average temperature 10.4°C 50.7°F
Daily sunshine 8.1 hrs
Avg rainfall 68 mm 2.7 ins
Rainy days 11 days
Sea temperature 4.3°C 39.7°F
Humidity 65%
Windspeed 13.3kph 8 mph

On average May is the 5th driest month of the year in Mattawa with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

May temperatures in Mattawa

Mattawa average temperature in May

May rainfall

Mattawa average rain in May

May hourly sunshine

Mattawa average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mattawa in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Mattawa weather stats

Mattawa weather statistics
Hottest month: July 25°C 77°F
Driest month: March 54mm 2.1ins
Sunniest month: July 9.5hrs
Coldest month: January -7.4°C 18.7°F
Wettest month: August 104mm 4.1ins
Map showing location of Mattawa (46.31681, -78.69957) Mattawa map pin © Google

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