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 & UV index 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.

Fort St. John weather in January

Expect daytime maximum temperatures of -10°C in Fort St. John, British Columbia in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

  • -10°C maximum daytime temperature in January in Fort St. John-10
    -10°C max day temperature
  • 2 hours of sunshine per day
  • 10 days with some rainfall in January in Fort St. John10
    10 days with some rainfall
  • -19°C minimum night-time temperature in January in Fort St. John-19
    -19°C min night temperature
  • 8 hours of daylight per day in January in Fort St. John8
    8 hours of daylight per day
  • No heat & humidity in January in Fort St. John0
    No heat & humidity
  • 30 mm monthly rainfall in January in Fort St. John30
    30 mm of monthly rainfall
  • No UV (maximum) index in January in Fort St. John0
    No UV (Maximum) Index UV index

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Fort St. John weather in February

Expect daytime maximum temperatures of -6°C in Fort St. John, British Columbia in February based on long-term weather averages. There are 4 hours of sunshine per day on average, which might fall as snow.

  • -6°C maximum daytime temperature in February in Fort St. John-6
    -6°C max day temperature
  • 4 hours of sunshine per day
  • 8 days with some rainfall in February in Fort St. John8
    8 days with some rainfall
  • -16°C minimum night-time temperature in February in Fort St. John-16
    -16°C min night temperature
  • 10 hours of daylight per day in February in Fort St. John10
    10 hours of daylight per day
  • No heat & humidity in February in Fort St. John0
    No heat & humidity
  • 24 mm monthly rainfall in February in Fort St. John24
    24 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Fort St. John1
    1 (Low) UV index

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Fort St. John weather in March

Expect daytime maximum temperatures of 0°C in Fort St. John, British Columbia in March based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

  • 0°C maximum daytime temperature in March in Fort St. John0
    0°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in March in Fort St. John9
    9 days with some rainfall
  • -11°C minimum night-time temperature in March in Fort St. John-11
    -11°C min night temperature
  • 12 hours of daylight per day in March in Fort St. John12
    12 hours of daylight per day
  • No heat & humidity in March in Fort St. John0
    No heat & humidity
  • 26 mm monthly rainfall in March in Fort St. John26
    26 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Fort St. John2
    2 (Low) UV index

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Fort St. John weather in April

Expect daytime maximum temperatures of 9°C in Fort St. John, British Columbia in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 9°C maximum daytime temperature in April in Fort St. John9
    9°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in April in Fort St. John6
    6 days with some rainfall
  • -3°C minimum night-time temperature in April in Fort St. John-3
    -3°C min night temperature
  • 14 hours of daylight per day in April in Fort St. John14
    14 hours of daylight per day
  • No heat & humidity in April in Fort St. John0
    No heat & humidity
  • 20 mm monthly rainfall in April in Fort St. John20
    20 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in April in Fort St. John3
    3 (Moderate) UV index

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Fort St. John weather in May

Expect daytime maximum temperatures of 16°C in Fort St. John, British Columbia in May based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 47 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Fort St. John16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Fort St. John9
    9 days with some rainfall
  • 3°C minimum night-time temperature in May in Fort St. John3
    3°C min night temperature
  • 16 hours of daylight per day in May in Fort St. John16
    16 hours of daylight per day
  • No heat & humidity in May in Fort St. John0
    No heat & humidity
  • 47 mm monthly rainfall in May in Fort St. John47
    47 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Fort St. John5
    5 (Moderate) UV index

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Fort St. John weather in June

Expect daytime maximum temperatures of 20°C in Fort St. John, British Columbia in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 70 mm of rainfall in the month.

  • 20°C maximum daytime temperature in June in Fort St. John20
    20°C max day temperature
  • 10 hours of sunshine per day
  • 11 days with some rainfall in June in Fort St. John11
    11 days with some rainfall
  • 7°C minimum night-time temperature in June in Fort St. John7
    7°C min night temperature
  • 18 hours of daylight per day in June in Fort St. John18
    18 hours of daylight per day
  • No heat & humidity in June in Fort St. John0
    No heat & humidity
  • 70 mm monthly rainfall in June in Fort St. John70
    70 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Fort St. John6
    6 (High) UV index

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Fort St. John weather in July

Expect daytime maximum temperatures of 21°C in Fort St. John, British Columbia in July based on long-term weather averages. There are 10 hours of sunshine per day on average with 13 days with some rainfall and typically 80 mm of rainfall in the month.

  • 21°C maximum daytime temperature in July in Fort St. John21
    21°C max day temperature
  • 10 hours of sunshine per day
  • 13 days with some rainfall in July in Fort St. John13
    13 days with some rainfall
  • 9°C minimum night-time temperature in July in Fort St. John9
    9°C min night temperature
  • 17 hours of daylight per day in July in Fort St. John17
    17 hours of daylight per day
  • No heat & humidity in July in Fort St. John0
    No heat & humidity
  • 80 mm monthly rainfall in July in Fort St. John80
    80 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Fort St. John6
    6 (High) UV index

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Fort St. John weather in August

Expect daytime maximum temperatures of 21°C in Fort St. John, British Columbia in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 61 mm of rainfall in the month.

  • 21°C maximum daytime temperature in August in Fort St. John21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in August in Fort St. John11
    11 days with some rainfall
  • 8°C minimum night-time temperature in August in Fort St. John8
    8°C min night temperature
  • 15 hours of daylight per day in August in Fort St. John15
    15 hours of daylight per day
  • No heat & humidity in August in Fort St. John0
    No heat & humidity
  • 61 mm monthly rainfall in August in Fort St. John61
    61 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Fort St. John5
    5 (Moderate) UV index

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Fort St. John weather in September

Expect daytime maximum temperatures of 15°C in Fort St. John, British Columbia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 44 mm of rainfall in the month.

  • 15°C maximum daytime temperature in September in Fort St. John15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Fort St. John10
    10 days with some rainfall
  • 3°C minimum night-time temperature in September in Fort St. John3
    3°C min night temperature
  • 13 hours of daylight per day in September in Fort St. John13
    13 hours of daylight per day
  • No heat & humidity in September in Fort St. John0
    No heat & humidity
  • 44 mm monthly rainfall in September in Fort St. John44
    44 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Fort St. John3
    3 (Moderate) UV index

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Fort St. John weather in October

Expect daytime maximum temperatures of 9°C in Fort St. John, British Columbia in October based on long-term weather averages. There are 4 hours of sunshine per day on average.

  • 9°C maximum daytime temperature in October in Fort St. John9
    9°C max day temperature
  • 4 hours of sunshine per day
  • 8 days with some rainfall in October in Fort St. John8
    8 days with some rainfall
  • -1°C minimum night-time temperature in October in Fort St. John-1
    -1°C min night temperature
  • 10 hours of daylight per day in October in Fort St. John10
    10 hours of daylight per day
  • No heat & humidity in October in Fort St. John0
    No heat & humidity
  • 27 mm monthly rainfall in October in Fort St. John27
    27 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in October in Fort St. John1
    1 (Low) UV index

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Fort St. John weather in November

Expect daytime maximum temperatures of -3°C in Fort St. John, British Columbia in November based on long-term weather averages. There are 3 hours of sunshine per day on average, which might fall as snow.

  • -3°C maximum daytime temperature in November in Fort St. John-3
    -3°C max day temperature
  • 3 hours of sunshine per day
  • 9 days with some rainfall in November in Fort St. John9
    9 days with some rainfall
  • -12°C minimum night-time temperature in November in Fort St. John-12
    -12°C min night temperature
  • 8 hours of daylight per day in November in Fort St. John8
    8 hours of daylight per day
  • No heat & humidity in November in Fort St. John0
    No heat & humidity
  • 28 mm monthly rainfall in November in Fort St. John28
    28 mm of monthly rainfall
  • No UV (maximum) index in November in Fort St. John0
    No UV (Maximum) Index UV index

Back to months

Fort St. John weather in December

Expect daytime maximum temperatures of -9°C in Fort St. John, British Columbia in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

  • -9°C maximum daytime temperature in December in Fort St. John-9
    -9°C max day temperature
  • 2 hours of sunshine per day
  • 10 days with some rainfall in December in Fort St. John10
    10 days with some rainfall
  • -18°C minimum night-time temperature in December in Fort St. John-18
    -18°C min night temperature
  • 7 hours of daylight per day in December in Fort St. John7
    7 hours of daylight per day
  • No heat & humidity in December in Fort St. John0
    No heat & humidity
  • 30 mm monthly rainfall in December in Fort St. John30
    30 mm of monthly rainfall
  • No UV (maximum) index in December in Fort St. John0
    No UV (Maximum) Index UV index

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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.

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

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Compare Fort St. John weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Fort St. John, British Columbia, Canada and the UK (London).

Maximum daytime temperature (°C)

Fort St. John, British Columbia, Canada
UK (London)
7
7
0
10
9
13
16
17
20
20
21
22
21
22
15
19
9
15
10
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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