World Resorts Canada St. John's Weather

St. John's weather in May

Weather in St. John's: May

Average day temperature: 45.5°F
Average night temperature: 38.9°F
Sea water temperature: 37.0°F
Number of sunny days: 6 days
Day length: 14.5 - 15.7 hours
Number of rainy days: 4 days
Precipitation totals: 2.0 in.

Air temperature in May, °F

Show year:
2023
2022
2021

The highest day temperature during May of 2023 was 53°F. At the same time the lowest night temperature was 33°F. Day and night temperature averages during May were 44.5°F and 38.9°F.

Sea water temperature in St. John's in May, °F

Show year:
2023
2022
2021

The average sea water temperature in May of 2023 was 35.1°F. The highest and lowest sea temperatures during the month were 37.6°F and 32.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in St. John's in May is 2.0 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 12.5 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 5.6.

Best time for vacation in St. John's

Sunniest months:
August 7 days
September 7 days
October 7 days
Warmest months:
August 65.6 °F
July 63.2 °F
September 60.4 °F
Warmest sea temp:
August 59.2 °F
September 56.6 °F
July 52.6 °F
Coldest months:
February 28.0 °F
January 30.0 °F
March 31.3 °F
Rainiest months:
November 6 days
August 4 days
May 4 days
Windiest months:
February 16.3 mph
December 15.7 mph
March 15.6 mph

St. John's on a weather map

St. John's
+37°F
SE 16 mph
Feels like: +28°F
Precip.: 100%
Places in Canada:
Name
°F
+45°F
+43°F
+45°F
+36°F
+32°F
+39°F
+52°F
+41°F
+45°F
+43°F
+37°F
+37°F
+48°F
+45°F
+39°F
24 Hours Forecast
St. John's
Local time: 07:40
May 02, thursday
0900
37°F
SE
16 mph
1200
37°F
SE
15 mph
1500
36°F
SE
12 mph
1800
37°F
S
8 mph
2100
36°F
SW
4 mph
May 03, friday
0000
36°F
W
6 mph
0300
37°F
SW
6 mph
0600
37°F
SW
9 mph
Units of measurement: °C / °F