Climate in St. John's (Newfoundland and Labrador), Canada

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in St. John's, Canada   Copyright © 2022  weather-and-climate.com
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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in St. John's, Canada   Copyright © 2022  weather-and-climate.com
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Daily percent of sunshine

The mean percent of sunhours during the day over the year

Average percent of sunshine in St. John's, Canada   Copyright © 2022  weather-and-climate.com
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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in St. John's, Canada   Copyright © 2022  weather-and-climate.com
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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in St. John's, Canada   Copyright © 2022  weather-and-climate.com
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Weather Forecasts for St. John's (Newfoundland and Labrador)

TUE Aug 09
14°C | 12°C
Heavy rain

Heavy rain

WED Aug 10
15°C | 14°C
Moderate rain

Moderate rain

THU Aug 11
16°C | 13°C
Patchy rain possible

Patchy rain possible

The best time of year to visit St. John's in Canada

During the month of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical climate data:

  • Which months have the greatest rainfall in St. John's?
    Most rainfall (rainy season) is seen in October and December.
  • When is winter in St. John's?
    The coldest season / winter is in the following months: January, February, March and December.
  • Which is the warmest month in St. John's?
    July has an average maximum temperature of 21°C (70°F) and is the warmest month of the year.
  • Which is the coldest month in St. John's?
    The coldest month is February with an average maximum temperature of -1°C (30°F).
  • Which is the wettest month in St. John's?
    December tops the wettest month list with 164mm (6.5in) of rainfall.
  • Which is the driest month in St. John's?
    July is the driest month with 92mm (3.6in) of precipitation.
  • Which is the sunniest month in St. John's?
    July is the sunniest month with an average of 216 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.