Climate of New Brunswick, Canada
Area-weighted average across New Brunswick. For where people actually live and travel, see the cities below.
New Brunswick, a subdivision of Canada, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -11.3°C / 11.7°F in January to 18°C / 64.4°F in July, with rainfall from 74 mm / 2.9 in to 105 mm / 4.1 in depending on the season (1139 mm / 44.8 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -11.3°C11.7°F | 100 mm3.9″ | Snowy |
| February | -10°C14°F | 74 mm2.9″ | Snowy |
| March | -4.2°C24.4°F | 88 mm3.5″ | Snowy |
| April | 2.4°C36.3°F | 84 mm3.3″ | — |
| May | 9.4°C48.9°F | 98 mm3.9″ | — |
| June | 14.8°C58.6°F | 94 mm3.7″ | — |
| July | 18°C64.4°F | 105 mm4.1″ | — |
| August | 17.3°C63.1°F | 95 mm3.7″ | — |
| September | 12.4°C54.3°F | 94 mm3.7″ | — |
| October | 6.5°C43.7°F | 100 mm3.9″ | — |
| November | 0.5°C32.9°F | 105 mm4.1″ | Snowy |
| December | -7.2°C19°F | 102 mm4″ | Snowy |
Frequently asked questions
What is the best time to visit New Brunswick?
New Brunswick, Canada does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 18°C / 64.4°F, and the driest is February at 74 mm / 2.9 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of New Brunswick?
New Brunswick, Canada has area-weighted monthly average temperatures ranging from -11.3°C / 11.7°F in January to 18°C / 64.4°F in July. Annual rainfall averages about 1139 mm / 44.8 in, with the wettest month being July (105 mm / 4.1 in) and the driest February (74 mm / 2.9 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in New Brunswick?
The hottest month in New Brunswick is July, with an area-wide average temperature of 18°C / 64.4°F.
What is the coldest month in New Brunswick?
The coldest month in New Brunswick is January, with an area-wide average temperature of -11.3°C / 11.7°F.
When does it rain most in New Brunswick?
The wettest month in New Brunswick is July, averaging about 105 mm / 4.1 in of rainfall. The driest is February with about 74 mm / 2.9 in.