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Canada weather

Weather in Fort St. John for May 2027

Your guide to Fort St. John weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Fort St. John at the beginning of May is 15 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.4 °C by the end of May.

    • Rain 🌧️

  • Fort St. John experiences moderate rainfall in May, with an average of 9 rainy days and a total precipitation of 59.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/6°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Fort St. John Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
14°
2
Patchy rain possible
16°
3
Overcast
15°
4
Overcast
13°
5
Partly cloudy
15°
6
Patchy rain possible
17°
7
Overcast
15°
8
Overcast
14°
9
Sunny
18°
10
Overcast
18°
11
Patchy light drizzle
16°
12
Overcast
17°
13
Patchy rain possible
18°
14
Cloudy
13°
15
Light rain shower
12°
16
Overcast
11°
17
Patchy rain possible
15°
18
Thundery outbreaks possible
16°
19
Partly cloudy
14°
20
Moderate rain at times
19°
21
Partly cloudy
19°
22
Moderate or heavy rain shower
15°
23
Heavy rain at times
15°
24
Patchy rain possible
18°
25
Patchy rain possible
18°
26
Sunny
19°
27
Overcast
20°
28
Overcast
22°
29
Light rain shower
17°
30
Patchy rain possible
16°
31
Sunny
17°

Temperatures trend during May in Fort St. John

See the weather trend as well as the moving average line

May weather in Fort St. John day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 14° /3° 0.1 mm 3
2 May Patchy rain possible
Patchy rain possible
 16° /4° 0.1 mm 4
3 May Overcast
Overcast
 15° /6° 0 mm 4
4 May Overcast
Overcast
 13° /2° 0 mm 4
5 May Partly cloudy
Partly cloudy
 15° /2° 0 mm 4
6 May Patchy rain possible
Patchy rain possible
 17° /6° 0.1 mm 4
7 May Overcast
Overcast
 15° /5° 0 mm 3
8 May Overcast
Overcast
 14° /3° 0 mm 3
9 May Sunny
Sunny
 18° /4° 0 mm 5
10 May Overcast
Overcast
 18° /8° 0.1 mm 5
11 May Patchy light drizzle
Patchy light drizzle
 16° /4° 0.4 mm 4
12 May Overcast
Overcast
 17° /6° 0 mm 4
13 May Patchy rain possible
Patchy rain possible
 18° /7° 0.2 mm 4
14 May Cloudy
Cloudy
 13° /5° 5.7 mm 3
15 May Light rain shower
Light rain shower
 12° /3° 4.8 mm 3
16 May Overcast
Overcast
 11° /3° 6.4 mm 2
17 May Patchy rain possible
Patchy rain possible
 15° /4° 0.6 mm 4
18 May Thundery outbreaks possible
Thundery outbreaks possible
 16° /4° 0 mm 4
19 May Partly cloudy
Partly cloudy
 14° /5° 4.6 mm 3
20 May Moderate rain at times
Moderate rain at times
 19° /7° 0.2 mm 5
21 May Partly cloudy
Partly cloudy
 19° /9° 11.9 mm 5
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /6° 16.7 mm 4
23 May Heavy rain at times
Heavy rain at times
 15° /6° 4.1 mm 4
24 May Patchy rain possible
Patchy rain possible
 18° /5° 1 mm 4
25 May Patchy rain possible
Patchy rain possible
 18° /6° 0.4 mm 4
26 May Sunny
Sunny
 19° /6° 0 mm 4
27 May Overcast
Overcast
 20° /8° 0.1 mm 5
28 May Overcast
Overcast
 22° /6° 0.2 mm 6
29 May Light rain shower
Light rain shower
 17° /9° 2.6 mm 4
30 May Patchy rain possible
Patchy rain possible
 16° /4° 0.5 mm 4
31 May Sunny
Sunny
 17° /5° 0 mm 5
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Important Notice
Our weather forecast for Fort St. John in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fort St. John forecast closer to your planned date for the most up-to-date weather information.
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Fort St. John in May - FAQ

What are the expected maximum and minimum temperatures in Fort St. John during May?

Enjoy moderate daytime temperatures of up to 16° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Fort St. John during May?

Moderate rainfall is anticipated in Fort St. John during May, with a total of 59.9 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Fort St. John during May?

The average wind speed in Fort St. John during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Fort St. John

Explore the daily rainfall trends and prepare for Fort St. Johns May weather 💧
Typically, Fort St. John has 9 rainy days in May with a total of 59.9 mm of rainfall.

UV exposure in Fort St. John during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Fort St. John?

Get accurate weather forecasts for Fort St. John, located at latitude 56.25 and longitude -120.853. Stay updated with localized weather information tailored for Fort St. John.

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