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New Brunswick

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New Brunswick Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

New Brunswick year round climate

  • Spring (March–May): Average 0.6–12.2°C, cold climate, occasional snowfall, gradually warming, less rainfall. Common activities: birdwatching, outdoor hiking (dress warmly). Recommended clothing: warm jacket, sweater, waterproof jacket.
  • Summer (June–August): Average 17.5–21.1°C, warm and comfortable climate, low rainfall. Common activities: camping, boating, fishing. Recommended clothing: short-sleeved clothing, light trousers, sunscreen clothing.
  • Autumn (September–November): Average 9.6–16.1°C, cool climate, moderate rainfall, gradually cooling. Common activities: leaf-peeping, hiking. Recommended clothing: light jacket, long-sleeved shirt, comfortable trousers.
  • Winter (December–February): Average -5.3–0.6°C, cold climate, less snowfall, low temperatures. Common activities: skiing, ice fishing (depending on snow conditions). Recommended clothing: heavy coat, hat, scarf, gloves, warm boots.

New Brunswick climatological average

Annual average temperature: approx. 7.9°C / Annual rainfall: approx. 44 mm / Summer humidity: 60%–70% / Rainiest month: March

New Brunswick monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-5.3°C
2.5
February
-3.8°C
2.1
March
0.6°C
8.2
April
4.8°C
2.6
May
12.2°C
1.8
June
17.5°C
3.9
July
21.1°C
3.1
August
19.3°C
3.4
September
16.1°C
2
October
9.6°C
3.3
November
4.4°C
6.3
December
-2.7°C
4.9

New Brunswick weather for the next seven days

12/16
Tuesday
Partly Cloudy
-4.1°C/-15.5°C
12/17
Wednesday
Overcast
1.8°C/-6.2°C
12/18
Thursday
Sunny
1.2°C/-8.4°C
12/19
Friday
Moderate rain
12°C/-0.5°C
12/20
Saturday
Cloudy
-6.8°C/-7.9°C
12/21
Sunday
Heavy snow
0.7°C/-7.1°C
12/22
Monday
Sunny
-6.2°C/-10.5°C