Fort St. John monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Fort St. John

Fort St. John average temperature chart (Celsius) Fort St. John average temperature chart (Fahrenheit)
Average monthly temperatures in Fort St. John (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -10.2 -6.1 -0.1 9 15.5 19.3 21.2 20.1 14.6 8.6 -3.5 -9.1
°F 13.7 20.9 31.8 48.1 59.9 66.8 70.2 68.3 58.3 47.5 25.8 15.7

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Fort St. John monthly rainfall chart (mm) Fort St. John monthly rainfall chart (inches)
Average monthly rainfall in Fort St. John (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 24 26 20 47 70 80 61 44 27 28 30
inches 1.2 0.9 1 0.8 1.9 2.7 3.2 2.4 1.7 1.1 1.1 1.2
Rainy days 10 8 9 6 9 11 13 11 10 8 9 10

Average annual rainfall in Fort St. John: 420.833mm (165.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Fort St. John

Fort St. John average daily sunshine chart
Average daily sunshine Fort St. John
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.8 4.4 5.8 8.3 9.6 10.7 10.9 9.5 6.1 5 3.2 2.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Fort St. John average minimum / maximum temperatures (Celsius) Fort St. John average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Fort St. John (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -19.5 -16.3 -11 -2.7 2.8 7 8.9 7.8 3.3 -0.9 -11.8 -18
Max °C -10 -5.9 0.1 9.3 15.8 19.7 21.5 20.5 14.9 8.9 -3.3 -8.9
Min °F -3 2.7 12.3 27.2 37 44.5 48 46 37.9 30.5 10.9 -0.3
Max °F 5.5 12 22.3 37.9 48.7 55.9 59.4 57.4 48.4 39.2 18.5 7.9

Sea temperature

The graph below shows the average sea temperature.

Fort St. John average sea temperature chart (Celsius) Fort St. John average sea temperature chart (Fahrenheit)
Average sea temperature around Fort St. John in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.8 3.8 4 4.6 5.8 7.6 9.3 10.1 9.3 7.1 5.2 4.1
°F 38.8 38.8 39.2 40.4 42.5 45.8 48.7 50.2 48.7 44.8 41.3 39.5

Wind speed

The graph below shows the average wind speed.

Fort St. John average winspeed by month (km/h) Fort St. John average winspeed by month (mph)
Average wind speed in Fort St. John (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 13 14 14 14 12 12 12 14 13 13
mph 9 9 8 9 9 9 7 7 8 9 8 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Fort St. John relative humidity averages
Average relative humidity in Fort St. John
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 72% 68% 58% 55% 61% 67% 68% 72% 69% 78% 76%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Fort St. John weather stats

Fort St. John weather statistics
Hottest month: July 21.2°C 70.2°F
Driest month: April 20mm 0.8ins
Sunniest month: July 10.9hrs
Coldest month: January -10.2°C 13.6°F
Wettest month: July 80mm 3.1ins
Warmest sea: August 10.1°C 50.2°F
Map showing location of Fort St. John (56.24988, -120.85292) Fort St. John map pin © Google

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