Fort St. John weather by month

Check out Fort St. John weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Fort St. John (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-10°C maximum daytime temperature in January in Fort St. John-10
-6°C maximum daytime temperature in February in Fort St. John-6
0°C maximum daytime temperature in March in Fort St. John0
9°C maximum daytime temperature in April in Fort St. John9
16°C maximum daytime temperature in May in Fort St. John16
20°C maximum daytime temperature in June in Fort St. John20
21°C maximum daytime temperature in July in Fort St. John21
21°C maximum daytime temperature in August in Fort St. John21
15°C maximum daytime temperature in September in Fort St. John15
9°C maximum daytime temperature in October in Fort St. John9
-3°C maximum daytime temperature in November in Fort St. John-3
-9°C maximum daytime temperature in December in Fort St. John-9
Min temperature (night-time)
-19°C minimum night-time temperature in January in Fort St. John-19
-16°C minimum night-time temperature in February in Fort St. John-16
-11°C minimum night-time temperature in March in Fort St. John-11
-3°C minimum night-time temperature in April in Fort St. John-3
3°C minimum night-time temperature in May in Fort St. John3
7°C minimum night-time temperature in June in Fort St. John7
9°C minimum night-time temperature in July in Fort St. John9
8°C minimum night-time temperature in August in Fort St. John8
3°C minimum night-time temperature in September in Fort St. John3
-1°C minimum night-time temperature in October in Fort St. John-1
-12°C minimum night-time temperature in November in Fort St. John-12
-18°C minimum night-time temperature in December in Fort St. John-18
Heat & Humidity
No heat & humidity in January in Fort St. John0
No heat & humidity in February in Fort St. John0
No heat & humidity in March in Fort St. John0
No heat & humidity in April in Fort St. John0
No heat & humidity in May in Fort St. John0
No heat & humidity in June in Fort St. John0
No heat & humidity in July in Fort St. John0
No heat & humidity in August in Fort St. John0
No heat & humidity in September in Fort St. John0
No heat & humidity in October in Fort St. John0
No heat & humidity in November in Fort St. John0
No heat & humidity in December in Fort St. John0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Fort St. John

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Fort St. John8
10 hours of daylight per day in February in Fort St. John10
12 hours of daylight per day in March in Fort St. John12
14 hours of daylight per day in April in Fort St. John14
16 hours of daylight per day in May in Fort St. John16
18 hours of daylight per day in June in Fort St. John18
17 hours of daylight per day in July in Fort St. John17
15 hours of daylight per day in August in Fort St. John15
13 hours of daylight per day in September in Fort St. John13
10 hours of daylight per day in October in Fort St. John10
8 hours of daylight per day in November in Fort St. John8
7 hours of daylight per day in December in Fort St. John7
UV Index (Maximum)
No UV (maximum) index in January in Fort St. John0
UV (maximum) index 1 (Low) in February in Fort St. John1
UV (maximum) index 2 (Low) in March in Fort St. John2
UV (maximum) index 3 (Moderate) in April in Fort St. John3
UV (maximum) index 5 (Moderate) in May in Fort St. John5
UV (maximum) index 6 (High) in June in Fort St. John6
UV (maximum) index 6 (High) in July in Fort St. John6
UV (maximum) index 5 (Moderate) in August in Fort St. John5
UV (maximum) index 3 (Moderate) in September in Fort St. John3
UV (maximum) index 1 (Low) in October in Fort St. John1
No UV (maximum) index in November in Fort St. John0
No UV (maximum) index in December in Fort St. John0

Rainfall in Fort St. John

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Fort St. John10
8 days with some rainfall in February in Fort St. John8
9 days with some rainfall in March in Fort St. John9
6 days with some rainfall in April in Fort St. John6
9 days with some rainfall in May in Fort St. John9
11 days with some rainfall in June in Fort St. John11
13 days with some rainfall in July in Fort St. John13
11 days with some rainfall in August in Fort St. John11
10 days with some rainfall in September in Fort St. John10
8 days with some rainfall in October in Fort St. John8
9 days with some rainfall in November in Fort St. John9
10 days with some rainfall in December in Fort St. John10
Average monthly rainfall (mm)
30 mm monthly rainfall in January in Fort St. John30
24 mm monthly rainfall in February in Fort St. John24
26 mm monthly rainfall in March in Fort St. John26
20 mm monthly rainfall in April in Fort St. John20
47 mm monthly rainfall in May in Fort St. John47
70 mm monthly rainfall in June in Fort St. John70
80 mm monthly rainfall in July in Fort St. John80
61 mm monthly rainfall in August in Fort St. John61
44 mm monthly rainfall in September in Fort St. John44
27 mm monthly rainfall in October in Fort St. John27
28 mm monthly rainfall in November in Fort St. John28
30 mm monthly rainfall in December in Fort St. John30

More about Fort St. John

Fort St. John by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for British Columbia (Fort St. John) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Fort St. John?

Fort St. John has a cold climate with cool summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Fort St. John with the USA

Below the Fort St. John chart shows average maximum daytime temperature for Fort St. John, British Columbia, Canada and the USA (Washington).

Maximum daytime temperature (°C)

Fort St. John, British Columbia, Canada
USA (Washington)
5
7
0
13
9
19
16
24
20
29
21
31
21
30
15
26
9
20
14
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
-10
-6
-3
-9

Metric (°C / mm)  |  Imperial (°F / inches)

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