Fort St. John
May
Weather in Fort St. John for May 2025
Your guide to Fort St. John weather in May - trends and predictions
In general, the average temperature in Fort St. John at the beginning of May is 12.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.9 °C by the end of May.
Fort St. John sees moderate rainfall in May, averaging 10 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
21
Dry days
10
Rainy days
0
Snow days
17°/5°
Temperatures
19 km/h
Avg max wind
58 %
Avg humidity
Fort St. John in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2 9° | 3 13° | 4  13° | |||
| 5  14° | 6 13° | 7 14° | 8 16° | 9  20° | 10 22° | 11  17° |
| 12 19° | 13 18° | 14  17° | 15 16° | 16 7° | 17 13° | 18  14° |
| 19 16° | 20  25° | 21 24° | 22 13° | 23  14° | 24 18° | 25 18° |
| 26 21° | 27 19° | 28 18° | 29 14° | 30 17° | 31 18° |
You can click on date
Access Fort St. John weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Fort St. John
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 10° /0° | 0 mm | 3 | |
| 2 May | Patchy rain possible | 9° /2° | 0.2 mm | 2 | |
| 3 May | Patchy rain possible | 13° /3° | 0 mm | 3 | |
| 4 May | Overcast | 13° /3° | 0 mm | 3 | |
| 5 May | Partly cloudy | 14° /3° | 0 mm | 4 | |
| 6 May | Patchy rain possible | 13° /5° | 0.3 mm | 3 | |
| 7 May | Patchy rain possible | 14° /4° | 0.1 mm | 3 | |
| 8 May | Overcast | 16° /3° | 0 mm | 4 | |
| 9 May | Sunny | 20° /4° | 0 mm | 6 | |
| 10 May | Overcast | 22° /11° | 0 mm | 5 | |
| 11 May | Patchy light drizzle | 17° /6° | 1.1 mm | 4 | |
| 12 May | Overcast | 19° /7° | 0 mm | 4 | |
| 13 May | Patchy rain possible | 18° /6° | 0 mm | 4 | |
| 14 May | Cloudy | 17° /6° | 0 mm | 4 | |
| 15 May | Light rain shower | 16° /4° | 1.5 mm | 4 | |
| 16 May | Light rain | 7° /4° | 19.2 mm | 2 | |
| 17 May | Patchy rain possible | 13° /3° | 1.3 mm | 3 | |
| 18 May | Thundery outbreaks possible | 14° /1° | 0.1 mm | 3 | |
| 19 May | Partly cloudy | 16° /3° | 0 mm | 5 | |
| 20 May | Moderate rain at times | 25° /11° | 0.5 mm | 6 | |
| 21 May | Partly cloudy | 24° /11° | 0.1 mm | 6 | |
| 22 May | Moderate or heavy rain shower | 13° /7° | 33.3 mm | 3 | |
| 23 May | Heavy rain at times | 14° /5° | 6.8 mm | 4 | |
| 24 May | Moderate or heavy rain shower | 18° /5° | 1.8 mm | 4 | |
| 25 May | Moderate rain at times | 18° /5° | 0.5 mm | 4 | |
| 26 May | Sunny | 21° /6° | 0 mm | 5 | |
| 27 May | Sunny | 19° /8° | 0.1 mm | 5 | |
| 28 May | Overcast | 18° /6° | 0 mm | 5 | |
| 29 May | Sunny | 14° /8° | 3 mm | 4 | |
| 30 May | Patchy rain possible | 17° /3° | 1 mm | 4 | |
| 31 May | 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.
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 17° 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?
Significant rainfall exceeding 109.4 mm is expected in Fort St. John during May, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
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 ☀️
Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.