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Canada weather

Weather in Fort St. John for May 2025

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

    Temperatures

  • Until now, May 2025 in Fort St. John has been nearly identical to the historical average, with a temperature of 14.3 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the upcoming days in Fort St. John predicts a temperature of 17 °C, which is slightly above the historical average.

  • In general, the average temperature in Fort St. John at the beginning of May is 14 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.9 °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 71.1 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°/5°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
59 %
Avg humidity

Fort St. John Weather May

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

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° /2° 0 mm 4
2 May Patchy rain possible
Patchy rain possible
 15° /4° 0.1 mm 4
3 May Patchy rain possible
Patchy rain possible
 14° /5° 0 mm 3
4 May Overcast
Overcast
 12° /2° 0 mm 4
5 May Partly cloudy
Partly cloudy
 14° /2° 0 mm 4
6 May Patchy rain possible
Patchy rain possible
 16° /6° 0.2 mm 4
7 May Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 3
8 May Overcast
Overcast
 14° /2° 0 mm 4
9 May Sunny
Sunny
 17° /3° 0 mm 5
10 May Overcast
Overcast
 19° /8° 0 mm 5
11 May Patchy light drizzle
Patchy light drizzle
 14° /4° 0.6 mm 4
12 May Overcast
Overcast
 19° /7° 0 mm 4
13 May Sunny
Sunny
 18° /6° 0 mm 1.3
14 May Heavy rain
Heavy rain
 9° /5° 46.5 mm 0.4
15 May Partly cloudy
Partly cloudy
 16° /0° 0 mm 1.5
16 May Patchy rain possible
Patchy rain possible
 15° /5° 0.2 mm 1
17 May Overcast
Overcast
 16° /7° 0 mm 0
18 May Partly cloudy
Partly cloudy
 17° /6° 0 mm 4
19 May Partly cloudy
Partly cloudy
 19° /6° 0 mm 4
20 May Sunny
Sunny
 17° /7° 0 mm 4
21 May Sunny
Sunny
 18° /4° 0 mm 4
22 May Patchy rain possible
Patchy rain possible
 13° /7° 2.8 mm 3
23 May Sunny
Sunny
 17° /7° 0 mm 4
24 May Partly cloudy
Partly cloudy
 17° /3° 0 mm 4
25 May Partly cloudy
Partly cloudy
 22° /6° 0 mm 4
26 May Sunny
Sunny
 24° /9° 0 mm 5
27 May Sunny
Sunny
 19° /8° 0.1 mm 5
28 May Overcast
Overcast
 18° /6° 0 mm 5
29 May Sunny
Sunny
 14° /8° 3 mm 4
30 May Patchy rain possible
Patchy rain possible
 17° /3° 1 mm 4
31 May Sunny
Sunny
 18° /5° 0 mm 5
Next
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 5°. 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 71.1 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 💧

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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