Which is the hottest month in St John's?

The hottest time of year in St John's is normally July. Expect maximum daytime temperatures to reach 20°C.

Which month has the most rain in St John's?

In terms of rainfall, January is usually the wettest month in St John's with 155mm on average. There are normally 20 days in January with some rain.

When is it sunniest in St John's?

The sunniest time of year in St John's is normally July with bright sunshine on average for 46% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in St John's?

The sea is usually at its warmest in St John's in August when the water temperature reaches 14°C.

Best time to visit St John's

The best time to visit St John's, Newfoundland & Labrador is in July based on our default weather conditions. Update your weather preferences to see which months best match.

St John's 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's?

The best time to visit St John's, Newfoundland & Labrador is in July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
1
Feb
1.5
Mar
1.5
Apr
1.5
May
2
Jun
4
Jul
4
Aug
1.5
Sep
1
Oct
0.5
Nov
0.5
Dec

Change criteria

Max Day Temperature (°C)

-1
Jan
-1
Feb
1
Mar
5
Apr
10
May
16
Jun
20
Jul
20
Aug
16
Sep
11
Oct
6
Nov
2
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
4
Mar
4
Apr
5
May
6
Jun
7
Jul
6
Aug
5
Sep
3
Oct
2
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Newfoundland & Labrador (St John's) 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)