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New Brunswick weather in December 2026
Expect daytime maximum temperatures of -2°C in New Brunswick, Canada in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 117 mm of rainfall in the month, which might fall as snow.
- -2°C max day temperature
-2 - 3 hours of sunshine per day
- 14 days with some rainfall
14 - -11°C min night temperature
-11 - 9 hours of daylight per day
9 - No heat & humidity
0 - 117 mm of monthly rainfall
117 - 1 (Low) UV index
1
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The December weather guide for New Brunswick (Fredericton) 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 New Brunswick destinations
Below are average maximum temperatures at popular countries, regions and places in New Brunswick in December. Select a holiday destination to see more weather parameters.
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Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How cold is it in New Brunswick in December?
Daytime temperatures usually reach -2°C in Fredericton, New Brunswick in December, falling to -11°C at night.
How sunny is it in New Brunswick in December?
There are normally 3 hours of bright sunshine each day in Fredericton, New Brunswick in December - that's 36% of daylight hours.
Does it rain in New Brunswick in December?
There are usually 14 days with some rain in Fredericton, New Brunswick in December and the average monthly rainfall is 117mm. Rain may fall as snow in this month.
New Brunswick December sunrise & sunset times
Browse the sunrise and sunset times for New Brunswick in December 2026. Select a month to view New Brunswick sunrise and sunset times for the next 12 months. The New Brunswick sunrise and sunset times shown below are for Fredericton.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st December 2026 | 07:48 | 16:43 |
| Wednesday, 16th December 2026 | 08:02 | 16:42 |
| Thursday, 31st December 2026 | 08:08 | 16:51 |
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