St. John's Weather in May

What's the weather like in St. John's (Newfoundland and Labrador) in May 2023?

The climate in St. John's during May can be summarized as cool and damp.

May is in the spring in St. John's and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 10°C (51°F), whilst at night 2°C (35°F) is normal.

St. John's weather averages (imperial / metric)
Daytime temperature 10.4°C 50.7°F
Nightly temperature 1.6°C 34.9°F
Average temperature 6°C 42.8°F
Daily sunshine 5.6 hrs
Avg rainfall 102 mm 4 ins
Rainy days 16 days
Sea temperature 2.8°C 37°F
Humidity 82%
Windspeed 22.3kph 14 mph

On average May is the 3rd driest month of the year in St. John's with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.6 hours of sunshine per day.

May temperatures in St. John's

St. John's average temperature in May

May rainfall

St. John's average rain in May

May hourly sunshine

St. John's 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 St. John's in May 2023.

Other monthly averages

Best places to visit in May

UV index Best time to go?

St. John's weather stats

St. John's weather statistics
Hottest month: July 20.1°C 68.2°F
Driest month: July 75mm 3ins
Sunniest month: July 7.7hrs
Coldest month: February -1.4°C 29.5°F
Wettest month: January 155mm 6.1ins
Map showing location of St. John's (47.56494, -52.70931)

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