New Brunswick Climate and Average Weather
Climate of New Brunswick: average temperatures, rainfall and seasons month by month.
Climate in New Brunswick month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 24° | 7° | 2,7 in | ★★☆☆☆ |
| February | 28° | 9° | 2,2 in | ★★☆☆☆ |
| March | 38° | 19° | 6,1 in | ★☆☆☆☆ |
| April | 48° | 29° | 4,0 in | ★★☆☆☆ |
| May | 61° | 42° | 4,4 in | ★★★☆☆ |
| June | 72° | 52° | 4,2 in | ★★★★☆ |
| July | 78° | 59° | 3,6 in | ★★★★☆ |
| August | 75° | 57° | 3,1 in | ★★★★☆ |
| September | 69° | 52° | 3,2 in | ★★★★☆ |
| October | 58° | 42° | 3,5 in | ★★★☆☆ |
| November | 41° | 29° | 3,9 in | ★★☆☆☆ |
| December | 30° | 16° | 4,4 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in New Brunswick
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How New Brunswick compares with nearby places
Annual averages, and the difference against New Brunswick.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Baxter State Park | 126 mi | 28°F | 47°F cooler | 55 in |
| Prince Edward Island | 145 mi | 45°F | +34°F warmer | 44 in |
| Bar Harbor | 173 mi | 47°F | +36°F warmer | 47 in |
| Acadia National Park | 177 mi | 42°F | about the same | 46 in |
| Nova Scotia | 185 mi | 46°F | +35°F warmer | 58 in |
Best time to visit New Brunswick
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
What this means for New Brunswick
Today is about average for August. The forecast high of 76°F is in line with the 75°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 84°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 64°F, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, March and December - historically the least comfortable months here.
Summary
New Brunswick is a province in Canada. New Brunswick is a Canadian province or territory. It has a population of about 830.000. The capital is Fredericton.
Right now it is 65°F (18°C) in New Brunswick with overcast. It feels like 65°F. Today runs from 47°F to 76°F. Chance of precipitation is 8%. Sightseeing conditions score 9.5/10 - excellent - go now.
The best time to visit New Brunswick is June, July, August and September. The climate is subarctic. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 78°F, while January is the coldest with lows near 7°F.
Nearby highlights include Baxter State Park, Acadia National Park and St. Lawrence River.
In plain terms. Today is about average for August. The forecast high of 76°F is in line with the 75°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in New Brunswick today at 9.5/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about New Brunswick
| Type | Province |
|---|---|
| Country | Canada |
| Continent | North America |
| Coordinates | 46°33′55.1″N 66°27′42.8″W (46.5653, -66.4619) |
| Capital | Fredericton |
| Population | 830.000 |
| Area | 28.150 sq mi |
| Time zone | America/Moncton |
| Local time | 6:11 PM (UTC-03:00) |
| Best months | June, July, August and September |
| Climate | Subarctic |
Weather map for New Brunswick
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore New Brunswick
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is New Brunswick?
New Brunswick is a province in Canada. Its coordinates are 46.5653, -66.4619. It lies in North America.
What is the weather like in New Brunswick right now?
It is currently 65°F (18°C) with overcast. Humidity is 72% and wind is 5 mph.
When is the best time to visit New Brunswick?
June, July, August and September offer the most comfortable conditions in New Brunswick, which has a subarctic climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is New Brunswick in?
New Brunswick observes America/Moncton (UTC-03:00). The local time is 6:11 PM.
How many people live in New Brunswick?
New Brunswick has a population of approximately 830.000.
What are the top things to do in New Brunswick?
Popular options include Baxter State Park, Acadia National Park and St. Lawrence River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ca-provinces) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 6:11 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
