Newfoundland & Labrador weather in December 2025

Expect 2°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Newfoundland & Labrador in December. Check more long-term weather averages for Newfoundland & Labrador in December before you book your next holiday to Newfoundland & Labrador in 2025/2026.

  • 2°C maximum daytime temperature in December in Newfoundland & Labrador (St John's)2
    2°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in Newfoundland & Labrador (St John's)20
    20 days with some rainfall
  • -5°C minimum night-time temperature in December in Newfoundland & Labrador (St John's)-5
    -5°C min night temperature
  • 9 hours of daylight per day in December in Newfoundland & Labrador (St John's)9
    9 hours of daylight per day
  • No heat & humidity in December in Newfoundland & Labrador (St John's)0
    No heat & humidity
  • 150 mm monthly rainfall in December in Newfoundland & Labrador (St John's)150
    150 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Newfoundland & Labrador (St John's)1
    1 (Low) UV index
  • 2°C sea temperature in December in Newfoundland & Labrador (St John's)2
    2°C sea temperature

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The December 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.

Top Newfoundland & Labrador destinations

Below are average maximum temperatures at popular countries, regions and places in Newfoundland & Labrador in December. Select a holiday destination to see more weather parameters.

All Newfoundland & Labrador destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

How cold is it in Newfoundland & Labrador in December?

Daytime temperatures usually reach 2°C in St John's, Newfoundland & Labrador in December, falling to -5°C at night.

How sunny is it in Newfoundland & Labrador in December?

There are normally 2 hours of bright sunshine each day in St John's, Newfoundland & Labrador in December - that's 24% of daylight hours.

Is the sea cold around Newfoundland & Labrador in December?

The average sea temperature around St John's, Newfoundland & Labrador in December is 2°C.

Does it rain in Newfoundland & Labrador in December?

There are usually 20 days with some rain in St John's, Newfoundland & Labrador in December and the average monthly rainfall is 150mm. Rain may fall as snow in this month.

Newfoundland & Labrador December sunrise & sunset times

Browse the sunrise and sunset times for Newfoundland & Labrador in December 2025. Select a month to view Newfoundland & Labrador sunrise and sunset times for the next 12 months. The Newfoundland & Labrador sunrise and sunset times shown below are for St John's.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:28 16:12
Tuesday, 16th December 2025 07:43 16:10
Wednesday, 31st December 2025 07:49 16:19

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