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CanadaCanada New Brunswick Saint John
Saint John
Weather averages
ClimateForecastAprilMay >>

Climate in Saint John (New Brunswick), 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.

Monthly precipitation

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

Monthly rainy days

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

Weather Forecasts for Saint John

Sat   Apr 27
10°C | -2°C
N 11 km/h
clear and no rain

clear and no rain

hourly forecast
Sun   Apr 28
13°C | -1°C
S 14 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Mon   Apr 29
15°C | 4°C
N 22 km/h
1.3 mm
overcast and rain

overcast and rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Saint John in Canada

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Saint John?
    August has an average maximum temperature of 21°C and is the warmest month of the year.
  • Which is the coldest month in Saint John?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Saint John?
    December tops the wettest month list with 140 mm of rainfall.
  • Which is the driest month in Saint John?
    August is the driest month with 87 mm of precipitation.

    • 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.

     

     

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