Fort St. John weather in May 2026

Expect daytime maximum temperatures of 61°F in Fort St. John, British Columbia in May based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

  • 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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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 2026. 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 May 2026 05:18 20:45
Saturday, 16th May 2026 04:47 21:14
Sunday, 31st May 2026 04:25 21:39

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