The best times to visit Downtown St. John’s for ideal weather are
July 2nd to September 16th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Downtown St. John’s Travel Guide
Other Downtown St. John’s Travel Info
Weather in Downtown St. John’s
Average temperatures in Downtown St. John’s vary drastically. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 13th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Downtown St. John’s, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 73.5°F (23.1°C) with temperatures rarely dropping below 54.5°F (12.5°C) at night.
Downtown St. John’s Temperatures (Fahrenheit)
Downtown St. John’s Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Downtown St. John’s Perceived Temperature (F)
Downtown St. John’s Perceived Temperature (C)
Average Downtown St. John’s Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Downtown St. John’s are September, July, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early September. For example, on the week of September 3rd there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 3 days of significant precipitation the week of January 29th.
When can you find snow in Downtown St. John’s? Weather stations report very large amounts of snow likely to be deepest around February, especially close to mid February. The best time to ski (if at all) in Downtown St. John’s is often around around December 3rd when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Downtown St. John’s.
Snow on the Ground
The graph below shows the average snow on the ground in Downtown St. John’s (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Downtown St. John’s has some very humid months, and high humidity throughout the year. The least humid month is March (71.6% relative humidity), and the most humid month is August (79.1%).
Wind in Downtown St. John’s is usually stronger than many places. The windiest month is January, followed by February and December. January’s average wind speed of around 14.8 knots (17 MPH or 27.4 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 26.7 knots, which is considered a strong breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Downtown St. John’s.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||14.8||Significant breeze||24.9||Very strong breeze|
|Feb||14.7||Significant breeze||24.3||Very strong breeze|
|Mar||13.5||Significant breeze||22.4||Very strong breeze|
|Apr||12.1||Significant breeze||20||Strong breeze|
|May||11.3||Significant breeze||18.3||Very strong breeze|
|Jun||9.9||Gentle breeze||16.6||Significant breeze|
|Jul||11.1||Significant breeze||17.3||Very strong breeze|
|Aug||10.6||Gentle breeze||16.9||Significant breeze|
|Sep||11.8||Significant breeze||19.1||Very strong breeze|
|Oct||12.2||Significant breeze||20.1||Strong breeze|
|Nov||13.6||Significant breeze||22||Very strong breeze|
|Dec||14.4||Significant breeze||23.4||Very strong breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Downtown St. John’s?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Canada; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 07, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Downtown St. John’s, NL, Canada is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Downtown St. John’s in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Downtown St. John’s Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 58.2°F (14.6°C) and 33.7°F (0.9°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 10 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 8 to 9 days of precipitation per month. June – August is the busiest season for tourism in Downtown St. John’s, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 68°F (20°C) and 42.7°F (5.9°C), which will feel chilly given the humidity and wind. It rains or snows a good amount: 7 to 12 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is far too cold this time of year in Downtown St. John’s to be enjoyable for warm weather travelers. The average high during this season is between 40.6°F (4.8°C) and 28.8°F (-1.8°C). On average, it rains or snows a great amount: 11 to 13 times per month. These times of year are the slowest with tourists.