Fort St. John weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Fort St. John in August. Check more long-term weather averages for Fort St. John in August before you book your next holiday to British Columbia in 2025/2026.

  • 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

More about Fort St. John

Fort St. John by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for British Columbia

Canadian Affair: Top deals on Canada holidays

  • Save on holidays to Canada with Canadian Affair
  • Book early on summer & winter holidays in 2022/2023
  • Choose from rail breaks, fly drive, cruises & more
Go to Canadian Affair deal >>

View all Canadian Affair offers

The August weather guide for British Columbia (Fort St. John) shows long term 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)

Back to top

More about Canada

How hot is it in Fort St. John in August?

Daytime temperatures usually reach 21°C in Fort St. John in August, falling to 8°C at night.

How sunny is it in Fort St. John in August?

There are normally 9 hours of bright sunshine each day in Fort St. John in August - that's 57% of daylight hours.

Does it rain in Fort St. John in August?

There are usually 11 days with some rain in Fort St. John in August and the average monthly rainfall is 61mm.

Fort St. John August sunrise & sunset times

Browse the sunrise and sunset times for Fort St. John in August 2025. Select a month to view Fort St. John sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:07 21:11
Saturday, 16th August 2025 05:36 20:37
Sunday, 31st August 2025 06:06 20:00

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^