New Brunswick Weather in June

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

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Moncton Grand Manan Island Saint John Fredericton

Planning a journey to New Brunswick, Canada this June and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in New Brunswick in June

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

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Grand Manan Island at 15°C (59°F) to warm in Fredericton at 23°C (73°F). Nighttime temperatures generally drop to 11°C (52°F) in Fredericton and 10°C (50°F) in Grand Manan Island.

To learn more about the conditions in specific areas of New Brunswick, Canada, check out the map below.

Precipitation

In June, precipitation varies across different areas. From moderate rainfall in Shediac with an average of 94 mm (3.7 in) to high rainfall in Edmundston with 130 mm (5.1 in).

Average sunshine

June brings good sunshine to many areas. Moncton sees around 232 hours of sunlight, great for visitors looking for bright days.

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 June

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 June for some of the most popular destinations in New Brunswick, Canada?

Temperature range in New Brunswick (June)

Precipitation variation in New Brunswick (June)

Moncton

In June Moncton generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« May
June
July »
May
June
July
Max temperature
17°C (63°F)
22°C (72°F)
25°C (77°F)
Min temperature
5°C (41°F)
10°C (50°F)
14°C (57°F)
Monthly sun hours
207 hours
232 hours
256 hours
Monthly rainfall
89 mm (3.5 in)
98 mm (3.9 in)
86 mm (3.4 in)
Monthly rainy days
14 days
13 days
13 days
Weather conditions
tolerable
perfect
perfect
Climate in Moncton →

Grand Manan Island

In June Grand Manan Island generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« May
June
July »
May
June
July
Max temperature
11°C (52°F)
15°C (59°F)
18°C (64°F)
Min temperature
7°C (45°F)
10°C (50°F)
14°C (57°F)
Monthly rainfall
113 mm (4.4 in)
121 mm (4.8 in)
85 mm (3.3 in)
Monthly rainy days
12 days
13 days
11 days
Weather conditions
poor
unpleasant
pleasant
Climate in Grand Manan Island →

Saint John

In June Saint John generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« May
June
July »
May
June
July
Max temperature
13°C (55°F)
17°C (63°F)
20°C (68°F)
Min temperature
6°C (43°F)
11°C (52°F)
14°C (57°F)
Monthly rainfall
108 mm (4.3 in)
116 mm (4.6 in)
98 mm (3.9 in)
Monthly rainy days
14 days
13 days
12 days
Weather conditions
poor
unpleasant
perfect
Climate in Saint John →

Fredericton

In June Fredericton generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« May
June
July »
May
June
July
Max temperature
18°C (64°F)
23°C (73°F)
26°C (79°F)
Min temperature
6°C (43°F)
11°C (52°F)
14°C (57°F)
Monthly rainfall
102 mm (4 in)
106 mm (4.2 in)
101 mm (4 in)
Monthly rainy days
14 days
13 days
12 days
Weather conditions
tolerable
pleasant
pleasant
Climate in Fredericton →

Saint Andrews

In June Saint Andrews generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« May
June
July »
May
June
July
Max temperature
16°C (61°F)
21°C (70°F)
25°C (77°F)
Min temperature
7°C (45°F)
11°C (52°F)
15°C (59°F)
Monthly rainfall
91 mm (3.6 in)
100 mm (3.9 in)
81 mm (3.2 in)
Monthly rainy days
12 days
11 days
10 days
Weather conditions
tolerable
pleasant
perfect
Climate in Saint Andrews →

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

In our records: Canada June extremes

Notable June records observed across cities in Canada in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest June day in Canada reached 46°C (115°F) in Kamloops on June 30, 2021.

Popular cities in June

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

City Weather Day temp Night temp Rainfall
Moncton 22°C (72°F) 10°C (50°F) 98 mm (3.9 in)
Grand Manan Island 15°C (59°F) 10°C (50°F) 121 mm (4.8 in)
Saint John 17°C (63°F) 11°C (52°F) 116 mm (4.6 in)
Fredericton 23°C (73°F) 11°C (52°F) 106 mm (4.2 in)
Saint Andrews 21°C (70°F) 11°C (52°F) 100 mm (3.9 in)
Edmundston 21°C (70°F) 9°C (48°F) 130 mm (5.1 in)

New Brunswick weather in June: frequently asked questions

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

In June, New Brunswick, Canada generally has perfect weather conditions. Moncton sees daytime temperatures near 22°C (72°F), with nights cooling to roughly 10°C (50°F).

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

In Moncton, the average daytime high in June is 22°C (72°F), while nighttime temperatures drop to around 10°C (50°F).

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

Rain is generally moderate to light in New Brunswick, Canada during June, with Moncton averaging close to 98 mm (3.9 in).

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

We consider June to be one of the best times to travel to New Brunswick, Canada. Typically, the climate in Moncton is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Moncton. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

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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