What’s the climate like in St. John's?
The current climate in St. John's features temperatures ranging from a high of 21°C to a low of 0°C throughout the year. The average yearly temperature is around 10°C. At night, temperatures in the colder months average around -7°C and in the warmer months around 13°C.
The highest temperature recorded in St. John's in recent years was 30°C in July 2022. The lowest daytime temperature recorded was -14°C in January 2014.
On average, St. John's gets 2085 mm of precipitation each year. Of this, about 139 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Canada? Check out the climate and weather for spots like Vancouver, Toronto, Niagara Falls, or explore other destinations in Canada.
Best time to visit St. John's?
The best time to visit St. John's for mild to warm weather is June up to August. You might get some rain, but the temperatures are just right to explore St. John's.
Climate Table of St. John's
The climate table of St. John's shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Temp. max (°C) | 1 | 0 | 1 | 6 | 10 | 16 | 21 | 21 | 17 | 12 | 7 | 2 |
Temp. min (°C) | -6 | -7 | -5 | -1 | 2 | 7 | 13 | 14 | 9 | 6 | 1 | -3 |
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Precipitation (mm) | 217 | 136 | 138 | 166 | 88 | 95 | 121 | 113 | 238 | 148 | 319 | 306 |
Snow (cm) | 35 | 26 | 23 | 13 | 1,5 | 0,1 | 0 | 0 | 0 | 0,4 | 7,6 | 31 |
UV Index | 2 | 4 | 5 | 6 | 6 | 7 | 6 | 6 | 4 | 2 | 3 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 10°C
- Highest temperature: 21°C in July and August
- Lowest temperature: 0°C in February
- Precipitation*: 2085 mm per year, averaging 174 mm per month
- Snowfall: 139 cm per year
- Driest months: 88 mm in May, 95 mm in June and 113 mm in August
- Wettest months: 319 mm in November, 306 mm in December and 238 mm in September
*Precipitation is measured as a combination of rain, snow, and hail
Average Temperature per Month in St. John's
This graph shows the average maximum temperatures per month in St. John's, Canada. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in St. John's
This graph shows how much rainfall St. John's, Canada, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in St. John's
This graph shows how much snow St. John's, Canada, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in St. John's
This graph shows the average UV index per month in St. John's, Canada. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in St. John's
This graph shows the average yearly temperature in St. John's, Canada. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in St. John's
This chart shows the total yearly precipitation in St. John's, Canada, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in St. John's
This chart shows the total yearly snowfall in St. John's, Canada, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in St. John's
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Average weather in St. John's by month
Click on a month below to see detailed weather info for St. John's. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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