Ottawa Weather in May

What's the weather like in Ottawa (Ohio) in May 2024?

The climate in Ottawa during May can be summarized as mild and a little damp.

May is in the spring in Ottawa and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (48°F) is normal.

Ottawa weather averages (imperial / metric)
Daytime temperature 21.7°C 71.1°F
Nightly temperature 9.1°C 48.4°F
Average temperature 15.4°C 59.7°F
Daily sunshine 9.4 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 12 days
Sea temperature 8.7°C 47.7°F
Humidity 66%
Windspeed 16.2kph 10 mph

On average May is the 3rd wettest month of the year in Ottawa with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

May temperatures in Ottawa

Ottawa average temperature in May

May rainfall

Ottawa average rain in May

May hourly sunshine

Ottawa 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 Ottawa in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ottawa weather stats

Ottawa weather statistics
Hottest month: July 28.7°C 83.7°F
Driest month: February 46mm 1.8ins
Sunniest month: July 10.6hrs
Coldest month: January -0.9°C 30.4°F
Wettest month: July 101mm 4ins
Map showing location of Ottawa (41.01922, -84.04717) Ottawa map pin © Google

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