St John weather averages

Going to St John? Find the best month to visit St John based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check St John weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in St John is expected to be 3°C, while the average maximum temperature in December is 1°C.

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More about St John

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather for St John, New Brunswick shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

St John weather averages: best month

St John Best month Averages
Warmest July & August 21°C
Sunniest May, June, July & August 7 hours per day
Least rain February & September 11 days
Warmest sea August & September 13°C

St John climate guide

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Tropical storm risk: St John, Canada hurricane season

% of month affected by tropical storms
0
<1%
0
0
0
<1%
<1%
1%
2%
1%
<1%
0
Jan
Feb
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Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The St John, Canada tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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St John weather averages by month

Check St John holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare St John weather with the USA

Below the St John weather chart shows maximum daytime temperature for St John, New Brunswick, Canada and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

St John, New Brunswick, Canada
USA (Washington)
Jan
Feb
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May
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Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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More New Brunswick destinations

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