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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

6/23
Tuesday
Heavy rain
60.4°F/57°F
6/24
Wednesday
Patchy rain nearby
72.6°F/50.5°F
6/25
Thursday
Cloudy
68.3°F/48°F
6/26
Friday
Moderate rain
57.4°F/51.9°F
6/27
Saturday
Patchy rain nearby
77.3°F/54.4°F
6/28
Sunday
Patchy rain nearby
79.7°F/55.7°F
6/29
Monday
Partly Cloudy
82.5°F/53.4°F