New Brunswick Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in New Brunswick, Canada in August.

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Moncton Grand Manan Island Saint John Fredericton

Considering a trip to New Brunswick, Canada this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in New Brunswick in August

New Brunswick, Canada is a region in Canada. August in New Brunswick generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high. August is a summer month.

Temperatures

During the day the temperature is pleasant in North Head at 18°C (64°F) and warm in Fredericton at 26°C (79°F). As night falls, temperatures generally drop to 13°C (55°F) in Fredericton and 14°C (57°F) in North Head.

For specific regional insights in New Brunswick, Canada, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Sackville with an average of 79 mm (3.1 in) to high rainfall in Grand Falls with 111 mm (4.4 in). Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in Moncton, marking it as the year's driest month.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Moncton sees close to 241 hours of sunlight, making it great for sun lovers.

Explore New Brunswick by month

Pick a month to see the average temperature, rainfall and sunshine in New Brunswick — and find the best time to visit. (based on Moncton)

January-2°C (28°F) February-1°C (30°F) March4°C (39°F) April10°C (50°F) May17°C (63°F) June22°C (72°F) This monthJuly25°C (77°F) August25°C (77°F) September21°C (70°F) October14°C (57°F) November8°C (46°F) December2°C (36°F)
Best Time to Visit New Brunswick →

Best Places to Visit in New Brunswick in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New Brunswick.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in New Brunswick

What is the weather like in August for some of the most popular destinations in New Brunswick, Canada?

Temperature range in New Brunswick (August)

Precipitation variation in New Brunswick (August)

Moncton

In August Moncton generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
21°C (70°F)
Min temperature
14°C (57°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
256 hours
241 hours
173 hours
Monthly rainfall
86 mm (3.4 in)
80 mm (3.1 in)
97 mm (3.8 in)
Monthly rainy days
13 days
11 days
11 days
Weather conditions
perfect
perfect
perfect
Climate in Moncton →

Grand Manan Island

In August Grand Manan Island generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
18°C (64°F)
19°C (66°F)
17°C (63°F)
Min temperature
14°C (57°F)
14°C (57°F)
13°C (55°F)
Monthly rainfall
85 mm (3.3 in)
86 mm (3.4 in)
115 mm (4.5 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Grand Manan Island →

Saint John

In August Saint John generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
20°C (68°F)
21°C (70°F)
18°C (64°F)
Min temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Monthly rainfall
98 mm (3.9 in)
87 mm (3.4 in)
115 mm (4.5 in)
Monthly rainy days
12 days
12 days
11 days
Weather conditions
perfect
perfect
tolerable
Climate in Saint John →

Fredericton

In August Fredericton generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
21°C (70°F)
Min temperature
14°C (57°F)
13°C (55°F)
9°C (48°F)
Monthly rainfall
101 mm (4 in)
89 mm (3.5 in)
100 mm (3.9 in)
Monthly rainy days
12 days
12 days
11 days
Weather conditions
pleasant
perfect
pleasant
Climate in Fredericton →

Saint Andrews

In August Saint Andrews generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
21°C (70°F)
Min temperature
15°C (59°F)
15°C (59°F)
11°C (52°F)
Monthly rainfall
81 mm (3.2 in)
81 mm (3.2 in)
101 mm (4 in)
Monthly rainy days
10 days
10 days
10 days
Weather conditions
perfect
perfect
pleasant
Climate in Saint Andrews →

Is your destination not in the list? Have a look at all destinations in New Brunswick, in Canada.

Popular cities in August

Day & night temperatures, rainfall and average weather in New Brunswick in August.

City Weather Day temp Night temp Rainfall
Moncton 25°C (77°F) 14°C (57°F) 80 mm (3.1 in)
Grand Manan Island 19°C (66°F) 14°C (57°F) 86 mm (3.4 in)
Saint John 21°C (70°F) 14°C (57°F) 87 mm (3.4 in)
Fredericton 26°C (79°F) 13°C (55°F) 89 mm (3.5 in)
Saint Andrews 25°C (77°F) 15°C (59°F) 81 mm (3.2 in)
Edmundston 23°C (73°F) 11°C (52°F) 96 mm (3.8 in)

New Brunswick weather in August: frequently asked questions

What is the weather like in New Brunswick, Canada in August?

August in New Brunswick, Canada brings perfect weather. In Moncton, daytime temperatures are typically around 25°C (77°F) and nighttime lows hover near 14°C (57°F).

What is the average temperature in New Brunswick, Canada in August?

Daytime temperatures in Moncton peak at roughly 25°C (77°F) in August, dropping to about 14°C (57°F) overnight.

Does New Brunswick, Canada get a lot of rain in August?

August is on the drier side in New Brunswick, Canada. Moncton averages only about 80 mm (3.1 in), with most days staying dry.

Is August a Good Time to Visit New Brunswick, Canada?

We consider August to be one of the best times to travel to New Brunswick, Canada. Typically, the climate in Moncton is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, June, July, August and September provide perfect weather in Moncton. On the other hand, the weather in January, February, March, April, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in New Brunswick.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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