Fort St. John weather in May 2025

Expect 16°C 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.

  • 16°C maximum daytime temperature in May in Fort St. John16
    16°C 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
  • 3°C minimum night-time temperature in May in Fort St. John3
    3°C 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
  • 47 mm monthly rainfall in May in Fort St. John47
    47 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Fort St. John5
    5 (Moderate) UV index

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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 / mm)  |  Imperial (°F / inches)

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

Daytime temperatures usually reach 16°C in Fort St. John in May, falling to 3°C 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 47mm.

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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