St John weather in June 2025

Expect daytime maximum temperatures of 64°F in St John, New Brunswick in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 64°F maximum daytime temperature in June in St John64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in June in St John13
    13 days with some rainfall
  • 48°F minimum night-time temperature in June in St John48
    48°F min night temperature
  • 16 hours of daylight per day in June in St John16
    16 hours of daylight per day
  • No heat & humidity in June in St John0
    No heat & humidity
  • 3.8 inches monthly rainfall in June in St John3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 7 (High) in June in St John7
    7 (High) UV index
  • 43°F sea temperature in June in St John43
    43°F sea temperature

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The June weather guide for New Brunswick (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 hot is it in St John in June?

Daytime temperatures usually reach 64°F in St John in June, falling to 48°F at night.

How sunny is it in St John in June?

There are normally 7 hours of bright sunshine each day in St John in June - that's 46% of daylight hours.

How warm is the sea around St John in June?

The average sea temperature around St John in June is 43°F.

Does it rain in St John in June?

There are usually 13 days with some rain in St John in June and the average monthly rainfall is 3.8 inches.

St John June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:40 20:05
Sunday, 15th June 2025 04:36 20:14
Monday, 30th June 2025 04:40 20:16

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