Fort St. John
August
Weather in Fort St. John for August 2025
Your guide to Fort St. John weather in August - trends and predictions
In general, the average temperature in Fort St. John at the beginning of August is 22.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 24.7 °C by the end of August.
The climate of Fort St. John in August is notably wet, with an average of 11 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
20
Dry days
11
Rainy days
0
Snow days
24°/10°
Temperatures
15 km/h
Avg max wind
64 %
Avg humidity
Fort St. John in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 21° | 3 22° | ||||
| 4  21° | 5  23° | 6 24° | 7  24° | 8 22° | 9 25° | 10 25° |
| 11  26° | 12 27° | 13 22° | 14 23° | 15  20° | 16 20° | 17 22° |
| 18 19° | 19 23° | 20  23° | 21 18° | 22 23° | 23 22° | 24 19° |
| 25 25° | 26 24° | 27 23° | 28 26° | 29 26° | 30  25° | 31 24° |
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 August in Fort St. John
See the weather trend as well as the moving average line
August weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Heavy rain at times | 22° /8° | 3.8 mm | 6 | |
| 2 Aug. | Heavy rain at times | 21° /7° | 4.2 mm | 5 | |
| 3 Aug. | Heavy rain at times | 22° /11° | 8.2 mm | 5 | |
| 4 Aug. | Partly cloudy | 21° /10° | 2.1 mm | 5 | |
| 5 Aug. | Cloudy | 23° /9° | 0.7 mm | 5 | |
| 6 Aug. | Partly cloudy | 24° /9° | 0 mm | 7 | |
| 7 Aug. | Patchy rain possible | 24° /10° | 0.1 mm | 6 | |
| 8 Aug. | Patchy rain possible | 22° /11° | 0.6 mm | 5 | |
| 9 Aug. | Patchy rain possible | 25° /10° | 0.2 mm | 6 | |
| 10 Aug. | Patchy rain possible | 25° /11° | 0.5 mm | 7 | |
| 11 Aug. | Overcast | 26° /11° | 0.1 mm | 7 | |
| 12 Aug. | Partly cloudy | 27° /12° | 0 mm | 7 | |
| 13 Aug. | Cloudy | 22° /12° | 1.8 mm | 5 | |
| 14 Aug. | Cloudy | 23° /10° | 3 mm | 5 | |
| 15 Aug. | Moderate rain at times | 20° /12° | 3.8 mm | 5 | |
| 16 Aug. | Overcast | 20° /10° | 1.5 mm | 5 | |
| 17 Aug. | Cloudy | 22° /10° | 0.1 mm | 5 | |
| 18 Aug. | Patchy rain possible | 19° /8° | 0.3 mm | 5 | |
| 19 Aug. | Partly cloudy | 23° /7° | 0 mm | 7 | |
| 20 Aug. | Sunny | 23° /10° | 0 mm | 6 | |
| 21 Aug. | Overcast | 18° /7° | 0.1 mm | 4 | |
| 22 Aug. | Patchy rain possible | 23° /7° | 0.4 mm | 6 | |
| 23 Aug. | Patchy rain possible | 22° /11° | 0.2 mm | 6 | |
| 24 Aug. | Overcast | 19° /8° | 0.5 mm | 5 | |
| 25 Aug. | Partly cloudy | 25° /7° | 0 mm | 7 | |
| 26 Aug. | Sunny | 24° /10° | 1.2 mm | 6 | |
| 27 Aug. | Sunny | 23° /10° | 2.2 mm | 6 | |
| 28 Aug. | Sunny | 26° /8° | 0 mm | 7 | |
| 29 Aug. | Sunny | 26° /11° | 0 mm | 7 | |
| 30 Aug. | Thundery outbreaks possible | 25° /11° | 0.1 mm | 6 | |
| 31 Aug. | Overcast | 24° /9° | 0.5 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Fort St. John in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Fort St. John during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fort St. John during August?
In August, Fort St. John can expect light to moderate rainfall, totaling 39.7 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Fort St. John during August?
The average wind speed in Fort St. John during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Fort St. John
Explore the daily rainfall trends and prepare for Fort St. Johns August weather 💧
UV exposure in Fort St. John during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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.