St. John's Climate by Month
The temperature in St. John's can vary quite a bit throughout the year.
Temperatures can be pleasant during the warmest months,
and very cold during the cooler months.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to St. John's can expect significant temperature changes throughout the year. Average daytime temperatures range from a pleasant 20°C in August, the warmest time of the year, to a very cold 1°C during cooler months like February. At night, temperatures typically average around -7°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
St. John's is known for its substantial rain/snowfall, with annual precipitation reaching 1268 mm. While snow/rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 136 mm of precipitation, spread over 19 snowy/rainy days. In contrast, June experiences a drier climate, with about 77 mm of rainfall spread across 13 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in St. John's. While July receives considerable daily sunshine with up to 7.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.1 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
The best time of year to visit St. John's in Canada
Other facts from our historical weather data:The coldest season / winter is in the following months: January, February and March.
August has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 1°C.
December tops the wettest month list with 136 mm of rainfall.
June is the driest month with 77 mm of precipitation.
July is the sunniest month with an average of 216 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
