Best time to go to Saint John Average weather of Saint John, Canada

When is the best time to go to Saint John?

When is the best time to go to Saint John? Here's some information to help you in your decision:

The best months for good weather in Saint John are June, July, August and September
On average, the warmest months are July and August
The coldest months are January and February
The rainiest months are May, June and December

Annual weather in Saint John

For full information about the climate and weather in Saint John a specific month, click on the corresponding line below:

Month			Our opinion
January	22°F/31°F	3.6in	very bad weather	Saint John in january
February	22°F/31°F	3.2in	very bad weather	Saint John in february
March	29°F/36°F	3.2in	very bad weather	Saint John in march
April	40°F/47°F	3.3in	very bad weather	Saint John in april
May	49°F/56°F	4in	tolerable weather	Saint John in may
June	56°F/65°F	4in	good weather	Saint John in june
July	63°F/70°F	3.1in	good weather	Saint John in july
August	63°F/72°F	2.5in	good weather	Saint John in august
September	58°F/67°F	2.9in	good weather	Saint John in september
October	49°F/56°F	3.3in	tolerable weather	Saint John in october
November	38°F/47°F	3.6in	very bad weather	Saint John in november
December	29°F/36°F	4.6in	very bad weather	Saint John in december

Weather and climate in Saint John

Saint John enjoys a warm-summer humid continental climate (without dry season) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Saint John is 50°F (ranging from 31°F in january to 72°F in august). Annual rainfall is 41.2in, with a minimum of 2.5in in august and a maximum of 4.6in in december.

Between january and april the climate is very bad. In average, on the morning it is 40°F and it rains about 19% of the time in april.
In the month of may the climate is okay. In average, on the morning it is 49°F and you can expect to have 4in of rainfall/month during this period.
From june to september the climate is favorable. It is for example 67°F as maximum temperature in september and it rains about 13% of the time in september.
In the month of october the climate is just OK. At lunchtime, it's 56°F in average.
Between the months of november and december the climate is very unfavorable. By early evening, the temperature averages 32°F and it rains about 4.6in each month.

Charts: temperature and rainfall in Saint John

In the charts below, you can see the following seasonal norms for the city of Saint John: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

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