Which is the hottest month in St John?

The hottest time of year in St John is normally July. Expect maximum daytime temperatures to reach 25°C with no heat and humidity.

Which month has the most rain in St John?

In terms of rainfall, December is usually the wettest month in St John with 117mm on average. There are normally 14 days in December with some rain.

When is it sunniest in St John?

The sunniest time of year in St John is normally August with bright sunshine on average for 50% of daylight hours; that's 7 hours of sunshine per day.

Best time to visit St John

Q: When is the best time to visit St John?

The best times to visit St John, New Brunswick are in July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit St John, New Brunswick are in July and August based on our default weather conditions. Update your weather preferences to see which months best match.

St John by month

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

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When is the best time to visit St John?

The best times to visit St John, New Brunswick are in July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
1.5
Mar
1.5
Apr
2
May
3.5
Jun
4
Jul
4
Aug
3
Sep
1.5
Oct
1
Nov
1
Dec

Change criteria

Max Day Temperature (°F)

28
Jan
30
Feb
37
Mar
46
Apr
57
May
64
Jun
70
Jul
70
Aug
64
Sep
54
Oct
45
Nov
34
Dec

Hours of Sunshine (daily)

4
Jan
4
Feb
5
Mar
5
Apr
7
May
7
Jun
7
Jul
7
Aug
6
Sep
5
Oct
3
Nov
3
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for New Brunswick (St John) 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) | Imperial (°F)