Your trips
Organize your trips easily with tabs
New York
– St. John's
Any date
+ Search
When is the best time to visit St. John's?
In general the best time to visit St. John's is probably August, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, March.
Depending on the activities you want to experience, you may choose different months to visit:
- In general, it’s pleasant to walk and do outdoor activities during July - August.
- If you want to avoid wet weather, then your choice is June, July, October with the lowest chance of rain.
Average weather in St. John's in different months
This is the average weather in St. John's for each month based on historic data:
In January, February, May, June, July, August, September, October, November, December the weather is average. Expect around 119 rainy days, and the precipitation amounts to approximately 122 mm in October.
March, April bring not the best weather. March is the coldest month with the temperature going down to +25°F.
Climate in St. John's
Here is the detailed breakdown of the climate in St. John's for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +59°F | +55°F | +59°F | +72°F | +81°F | +84°F | +88°F | +86°F | +81°F | +75°F | +68°F | +66°F |
| Average Maximum Temperature | |||||||||||
| +32°F | +32°F | +34°F | +41°F | +48°F | +55°F | +64°F | +66°F | +61°F | +52°F | +45°F | +37°F |
| Minimum Temperature | |||||||||||
| -17°F | -8°F | -2°F | +12°F | +25°F | +32°F | +41°F | +43°F | +36°F | +30°F | +16°F | +1°F |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 82 | 81 | 81 | 82 | 83 | 84 | 84 | 83 | 83 | 83 | 82 | 82 |
| Rain, mm | |||||||||||
| 59 | 37 | 54 | 126 | 83 | 118 | 77 | 86 | 100 | 122 | 101 | 67 |
| Snow, mm | |||||||||||
| 85 | 110 | 186 | 118 | 8 | 0 | 0 | 0 | 0 | 0 | 15 | 51 |
| Average wind speed, m/s | |||||||||||
| 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 6 | 6 |
| Sunny Days | |||||||||||
| 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 |
| Cloud Days | |||||||||||
| 10 | 10 | 11 | 12 | 13 | 13 | 14 | 14 | 12 | 11 | 10 | 10 |
| Rainy Days | |||||||||||
| 3 | 2 | 2 | 6 | 13 | 15 | 15 | 16 | 16 | 19 | 14 | 6 |
| Snowy Days | |||||||||||
| 18 | 16 | 16 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 5 | 14 |
Average Temperature
Here are the average maximum and minimum temperatures in St. John's during the whole year:
The hottest month in St. John's is August with average maximum temperature going up to +66°F. The coldest month is January with the lowest temperatures of +23°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in St. John's looks throughout the year, in %:
The most humid month in St. John's is July with average humidity going up to 84%. The least humid month is February with an average humidity of 81%.
Rain
Amount of rainfall in mm. in St. John's during the whole year based on historical data:
The sunniest and driest month is September with approximately 2 sunny days and a total precipitation of around 100 mm. The rainiest and wettest month is April with approximately 6 rainy days and 126 mm of total precipitation.
Snow
Amount of snow in mm. in St. John's during the whole year based on historical data:
The snowiest month is March with approximately 16 snowy days.
FAQ
Frequently asked questions about the weather in St. John's:
What is the hottest month in St. John's?
The hottest month in St. John's is August with average maximum temperature of +66°F.
What is the coldest month in St. John's?
The coldest month in St. John's is January with minimum temperatures of +23°F.
Is St. John's worth visiting in winter?
Winter in St. John's could be a good time to visit, as the weather is generally ok.
When does it rain the least in St. John's?
if you're looking to visit St. John's when it rains the least, you should plan your trip for April, October, June. During this time, rainfall is rare with the driest month being February with only 37 mm of rain.
Other cities in Canada
Check out the weather for other cities in Canada.
Monthly weather in St. John's
Source of the data
For this page, we’ve looked at the typical weather in St. John's, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
