The best times to visit Fort St. John for ideal weather are
June 18th to August 19th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Fort St. John Travel Guide
Other Fort St. John Travel Info
Weather in Fort St. John
Average temperatures in Fort St. John vary an incredible amount. Considering humidity, temperatures feel cold for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 26th 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 Fort St. John, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 75.9°F (24.4°C) with temperatures rarely dropping below 53°F (11.7°C) at night.
Fort St. John Temperatures (Fahrenheit)
Fort St. John 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.
Fort St. John Perceived Temperature (F)
Fort St. John Perceived Temperature (C)
Average Fort St. John 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 Fort St. John are February, May, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late March. For example, on the week of March 26th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid November with an average of 2 days of significant precipitation the week of November 12th.
When can you find snow in Fort St. John? Weather stations report very large amounts of snow likely to be deepest around January, especially close to early to mid January. The best time to ski (if at all) in Fort St. John is often around around February 12th 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 Fort St. John.
Snow on the Ground
The graph below shows the average snow on the ground in Fort St. John (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
Fort St. John has some humid months, and slightly dry months in the opposite season. The least humid month is May (37.6% relative humidity), and the most humid month is November (61.9%).
Wind in Fort St. John is usually moderate. The windiest month is January, followed by October and April. January’s average wind speed of around 9.1 knots (10.5 MPH or 16.9 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid January where average top sustained speeds reach 17.2 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Fort St. John.
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||9.1||Gentle breeze||16||Significant breeze|
|Feb||7.4||Gentle breeze||13.8||Significant breeze|
|Mar||8||Gentle breeze||14.1||Significant breeze|
|Apr||8.4||Gentle breeze||15.1||Significant breeze|
|May||7.9||Gentle breeze||15.2||Significant breeze|
|Jun||7.2||Gentle breeze||14||Significant breeze|
|Jul||7.2||Gentle breeze||13.9||Significant breeze|
|Aug||6.8||Light breeze||13.3||Significant breeze|
|Sep||7.6||Gentle breeze||14||Significant breeze|
|Oct||8.6||Gentle breeze||15.2||Significant breeze|
|Nov||8.2||Gentle breeze||14.8||Significant breeze|
|Dec||7.4||Gentle breeze||13.6||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Fort St. John?
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 Fort St. John, BC, Canada is July, followed by May 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 Fort St. John 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 Fort St. John Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.5°F (20.3°C) and 22.9°F (-5.1°C) with far warmer temperatures in the later months. Rain is somewhat common with roughly 4 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Fort St. John, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 67°F (19.4°C) and 20.1°F (-6.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in Fort St. John to be enjoyable for warm weather travelers. The average high during this season is between 27.7°F (-2.4°C) and 12.3°F (-10.9°C). On average, it rains or snows a fair amount: 3 to 7 times per month. These times of year are the slowest with tourists.