Fort St. John weather in May 2025

Expect 61°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Fort St. John in May. Check more long-term weather averages for Fort St. John in May before you book your next holiday to British Columbia in 2025/2026.

  • 61°F maximum daytime temperature in May in Fort St. John61
    61°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Fort St. John9
    9 days with some rainfall
  • 37°F minimum night-time temperature in May in Fort St. John37
    37°F min night temperature
  • 16 hours of daylight per day in May in Fort St. John16
    16 hours of daylight per day
  • No heat & humidity in May in Fort St. John0
    No heat & humidity
  • 1.9 inches monthly rainfall in May in Fort St. John1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Fort St. John5
    5 (Moderate) UV index

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Fort St. John by month

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Recommended for British Columbia

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The May 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)  |  Imperial (°F)

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How warm is it in Fort St. John in May?

Daytime temperatures usually reach 61°F in Fort St. John in May, falling to 37°F at night.

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

There are normally 9 hours of bright sunshine each day in Fort St. John in May - that's 53% of daylight hours.

Does it rain in Fort St. John in May?

There are usually 9 days with some rain in Fort St. John in May and the average monthly rainfall is 1.9 inches.

Fort St. John May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:17 20:45
Friday, 16th May 2025 04:46 21:14
Saturday, 31st May 2025 04:24 21:39

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