St John weather in June 2025

Expect daytime maximum temperatures of 18°C 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 96 mm of rainfall in the month.

  • 18°C maximum daytime temperature in June in St John18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in June in St John13
    13 days with some rainfall
  • 9°C minimum night-time temperature in June in St John9
    9°C 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
  • 96 mm monthly rainfall in June in St John96
    96 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in St John7
    7 (High) UV index
  • 6°C sea temperature in June in St John6
    6°C sea temperature

More about St John

St John by month

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

Recommended for New Brunswick

WaySpa: Top deals on spa breaks & days

  • Explore top deals on spa breaks & spa days in Canada
  • Filter deals by service type or destination
  • Book spas in Ontario, Quebec & beyond
Go to WaySpa deal >>

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Canada

How hot is it in St John in June?

Daytime temperatures usually reach 18°C in St John in June, falling to 9°C 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.

Is the sea cold around St John in June?

The average sea temperature around St John in June is 6°C.

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 96mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^