New Brunswick weather in August

Thinking about venturing to New Brunswick this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in New Brunswick in August?

New Brunswick 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.

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

In August, precipitation varies across different areas. From moderate rainfall in Sackville with an average of 79 mm to high rainfall in Grand Falls with 111 mm. Based on our climate data it is the driest month of the year in Moncton. Meanwhile, Moncton enjoys close to 241 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

For specific regional insights in New Brunswick for August, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our New Brunswick climate page.

Where to go in New Brunswick in August

Find the average weather conditions in August for the most popular destinations in New Brunswick on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in New Brunswick

What is the weather like in August for the 5 most popular destinations in New Brunswick?

Average weather in Moncton

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

Moncton
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
25°C 
14°C 
256 hours 
86 mm 
13 days 
25°C 
14°C 
241 hours 
80 mm 
11 days 
21°C 
10°C 
173 hours 
97 mm 
11 days 
Climate in Moncton

Average weather in Grand Manan Island

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

Grand Manan Island
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
18°C 
14°C 
85 mm 
11 days 
19°C 
14°C 
86 mm 
11 days 
17°C 
13°C 
115 mm 
11 days 
Climate in Grand Manan Island

Average weather in Saint John

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

Saint John
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
20°C 
14°C 
98 mm 
12 days 
21°C 
14°C 
87 mm 
12 days 
18°C 
12°C 
115 mm 
11 days 
Climate in Saint John

Average weather in Fredericton

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

Fredericton
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
26°C 
14°C 
101 mm 
12 days 
26°C 
13°C 
89 mm 
12 days 
21°C 
9°C 
100 mm 
11 days 
Climate in Fredericton

Average weather in Saint Andrews

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

Saint Andrews
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
25°C 
15°C 
81 mm 
10 days 
25°C 
15°C 
81 mm 
10 days 
21°C 
11°C 
101 mm 
10 days 
Climate in Saint Andrews

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

Is August the best time to visit New Brunswick?

We consider August to be one of the best times to travel to New Brunswick. 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. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.