The best times to visit New Brunswick for ideal weather are

June 11th to September 23rd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other New Brunswick Travel Info

Weather in New Brunswick


Average temperatures in New Brunswick vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 17th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit New Brunswick, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 77.3°F (25.2°C) with temperatures rarely dropping below 55°F (12.8°C) at night.

New Brunswick Temperatures (Fahrenheit)


New Brunswick Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

New Brunswick Perceived Temperature (F)


New Brunswick Perceived Temperature (C)



Average New Brunswick Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 26.5 16.3 7.2
Feb 27.5 17.5 8.1
Mar 36.4 26.1 16.6
Apr 48.8 37.9 28.5
May 61.6 49.3 38.8
Jun 69.1 57.4 47.4
Jul 76.4 64.7 54.7
Aug 75 63.4 53.6
Sep 68.4 56.6 46.4
Oct 55.7 45.7 36.8
Nov 44 35.2 27.3
Dec 32.6 24.4 16.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -3.1 -8.7 -13.8
Feb -2.5 -8.1 -13.3
Mar 2.4 -3.3 -8.6
Apr 9.3 3.3 -1.9
May 16.4 9.6 3.8
Jun 20.6 14.1 8.6
Jul 24.7 18.2 12.6
Aug 23.9 17.4 12
Sep 20.2 13.7 8
Oct 13.2 7.6 2.7
Nov 6.7 1.8 -2.6
Dec 0.3 -4.2 -8.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in New Brunswick are March, September, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid to late September. For example, on the week of September 17th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 2 days of significant precipitation the week of December 24th.

When can you find snow in New Brunswick? Weather stations report very large amounts of snow likely to be deepest around March, especially close to late February and early March. The best time to ski (if at all) in New Brunswick is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in New Brunswick.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in New Brunswick (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 8.2 3.3
Feb 23% 13.9 3.2
Mar 21% 14.7 3.2
Apr 23% 8.7 3.3
May 23% 1.3 3.4
Jun 29% 1.3 4.6
Jul 25% 1.8 4.3
Aug 22% 1.2 3.6
Sep 21% 4.1 4.2
Oct 24% 1.6 4.9
Nov 23% 2.5 4.2
Dec 33% 5.3 5.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 20.8 8.4
Feb 23 35.3 8.1
Mar 21 37.3 8.1
Apr 23 22.1 8.4
May 23 3.3 8.6
Jun 29 3.3 11.7
Jul 25 4.6 10.9
Aug 22 3 9.1
Sep 21 10.4 10.7
Oct 24 4.1 12.4
Nov 23 6.4 10.7
Dec 33 13.5 13.7


Humidity and Wind

New Brunswick has some very humid months, with other comfortably humid months. The least humid month is March (58.4% relative humidity), and the most humid month is December (75.2%).

Wind in New Brunswick is usually calm. The windiest month is March, followed by January and February. March’s average wind speed of around 7.3 knots (8.4 MPH or 13.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 14 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in New Brunswick.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.9 Light breeze 13.5 Significant breeze
Feb 6.9 Light breeze 13.4 Significant breeze
Mar 7.3 Gentle breeze 13.9 Significant breeze
Apr 6.7 Light breeze 13 Significant breeze
May 6.2 Light breeze 12.3 Significant breeze
Jun 5.4 Light breeze 10.9 Gentle breeze
Jul 5 Light breeze 10.3 Significant breeze
Aug 4.8 Light breeze 9.9 Gentle breeze
Sep 5.5 Light breeze 10.9 Significant breeze
Oct 6.2 Light breeze 11.9 Significant breeze
Nov 6.6 Light breeze 12.6 Significant breeze
Dec 6.9 Light breeze 13.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 66.5%
Feb 65.8%
Mar 58.4%
Apr 60.8%
May 63.7%
Jun 69.4%
Jul 70.7%
Aug 72.9%
Sep 71.9%
Oct 71%
Nov 70.2%
Dec 75.2%


Is it Safe to Travel to New Brunswick?



The Busiest and Least Crowded Months

The busiest month for tourism in New Brunswick, Canada is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit New Brunswick in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 51.6 in December means 51.6% of the tourists vs. July.



Overall New Brunswick Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 65.7°F (18.7°C) and 29.4°F (-1.4°C) with far warmer temperatures in the later months. Rain is somewhat common with 6 to 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 7 to 9 days of precipitation per month. June – August is the busiest season for tourism in New Brunswick, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 72.3°F (22.4°C) and 38.1°F (3.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in New Brunswick to be enjoyable for warm weather travelers. The average high during this season is between 36.2°F (2.3°C) and 21.8°F (-5.7°C). On average, it rains or snows a fair amount: 6 to 10 times per month. These times of year are the slowest with tourists.


Best Times to TravelCanada › New Brunswick, Canada