St. John’s Weather

Winters are generally mild with an average temperature of 0 degrees Celsius.  During the summer months the temperature ranges from cool to hot with an average of 20 to 23 degrees Celsius. (mean maximum temperature in Celsius.)

Celsius

Fahrenheit

Rainfall (mm)

Snowfall (mm)

January

-0.9 C

30.4 F

73.7

79.9

February

-1.5 C

29.3 F

60.5

66.5

March

1.2 C

34.2 F

76.7

52.3

April

5.2 C

41.4 F

93.7

25.7

May

10.7 C

51.3 F

93.9

6.1

June

15.9 C

60.6 F

100.5

1.3

July

20.3 C

68.5 F

89.4

0.0

August

19.9 C

67.8 F

108.1

0.0

September

15.9 C

60.6 F

130.9

0.0

October

10.5 C

50.9 F

116.3

2.9

November

5.9 C

42.6 F

116.3

26.3

December

1.2 C

34.2 F

88.4

61.3