Weather in Saint John in December
Saint John, Canada averages a high of 1.6°C (34.9°F) and low of -4.9°C (23.2°F) in December, with 12 rain days and 5.1 hours of daily sunshine. Travel score: 35.6/100 (Poor). The best time to visit Saint John is August.
High
2°C35°F
Low
-5°C23°F
🌧️
12
rain days
☀️
5.1
hrs/day sunshine
💧
75%
humidity
36— Poor
December in Saint John is cold and occasionally wet — challenging weather conditions.
What are the average temperatures in Saint John?
How much does it rain in Saint John in December?
Saint John receives an average of 134mm of rainfall across 12 rainy days in December. The annual total is 1340.1mm.
What should I pack for Saint John in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 2°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -5°C
🧣
Warm scarf
Protect against cold winds
Traveling to Canada in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31