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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 33–53°F, 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 63–69°F, warm and comfortable climate, low rainfall. Common activities: camping, boating, fishing. Recommended clothing: short-sleeved clothing, light trousers, sunscreen clothing.
  • Autumn (September–November): Average 49–60°F, cool climate, moderate rainfall, gradually cooling. Common activities: leaf-peeping, hiking. Recommended clothing: light jacket, long-sleeved shirt, comfortable trousers.
  • Winter (December–February): Average -41–33°F, 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. 46.2°F / Annual rainfall: approx. 44 mm / Summer humidity: 60%–70% / Rainiest month: March

New Brunswick monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
22.5°F
2.5
February
25.2°F
2.1
March
33.1°F
8.2
April
40.6°F
2.6
May
54°F
1.8
June
63.5°F
3.9
July
70°F
3.1
August
66.7°F
3.4
September
61°F
2
October
49.3°F
3.3
November
39.9°F
6.3
December
27.1°F
4.9

New Brunswick weather for the next seven days

12/16
Tuesday
Partly Cloudy
24.6°F/4.1°F
12/17
Wednesday
Overcast
35.2°F/20.8°F
12/18
Thursday
Sunny
34.2°F/16.9°F
12/19
Friday
Moderate rain
53.6°F/31.1°F
12/20
Saturday
Cloudy
19.8°F/17.8°F
12/21
Sunday
Heavy snow
33.3°F/19.1°F
12/22
Monday
Sunny
20.8°F/13.1°F