St John's weather in July 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St John's in July. Check more long-term weather averages for St John's in July before you book your next holiday to Newfoundland & Labrador in 2025/2026.

  • 20°C maximum daytime temperature in July in St John's20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in July in St John's13
    13 days with some rainfall
  • 11°C minimum night-time temperature in July in St John's11
    11°C min night temperature
  • 16 hours of daylight per day in July in St John's16
    16 hours of daylight per day
  • No heat & humidity in July in St John's0
    No heat & humidity
  • 75 mm monthly rainfall in July in St John's75
    75 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in St John's7
    7 (High) UV index
  • 11°C sea temperature in July in St John's11
    11°C sea temperature

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The July weather guide for Newfoundland & Labrador (St John's) 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 hot is it in St John's in July?

Daytime temperatures usually reach 20°C in St John's in July, falling to 11°C at night.

How sunny is it in St John's in July?

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

Is the sea cold around St John's in July?

The average sea temperature around St John's in July is 11°C.

Does it rain in St John's in July?

There are usually 13 days with some rain in St John's in July and the average monthly rainfall is 75mm.

St John's July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:08 20:02
Wednesday, 16th July 2025 04:20 19:53
Thursday, 31st July 2025 04:38 19:36

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