New Brunswick Weather in May

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

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Moncton Grand Manan Island Saint John Fredericton

Planning a getaway to New Brunswick, Canada this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in New Brunswick in May

New Brunswick, Canada is a region in Canada. May in New Brunswick generally has temperatures that range from cold to pleasant, with precipitation levels ranging from moderate to high.

Temperatures

During the day the temperature is cold in Grand Manan Island at 11°C (52°F) and pleasant in Fredericton at 18°C (64°F). As night falls, temperatures generally drop to 6°C (43°F) in Fredericton and 7°C (45°F) in Grand Manan Island.

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

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Edmundston with an average of 85 mm (3.3 in) to high rainfall in North Head with 118 mm (4.6 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Moncton sees close to 207 hours of sunlight, making it great for sun lovers.

Explore New Brunswick by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in New Brunswick in May

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

Temperature range in New Brunswick (May)

Precipitation variation in New Brunswick (May)

Moncton

In May Moncton generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
10°C (50°F)
17°C (63°F)
22°C (72°F)
Min temperature
-1°C (30°F)
5°C (41°F)
10°C (50°F)
Monthly sun hours
165 hours
207 hours
232 hours
Monthly rainfall
92 mm (3.6 in)
89 mm (3.5 in)
98 mm (3.9 in)
Monthly rainy days
14 days
14 days
13 days
Weather conditions
poor
tolerable
perfect
Climate in Moncton →

Grand Manan Island

In May Grand Manan Island generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
7°C (45°F)
11°C (52°F)
15°C (59°F)
Min temperature
2°C (36°F)
7°C (45°F)
10°C (50°F)
Monthly rainfall
113 mm (4.4 in)
113 mm (4.4 in)
121 mm (4.8 in)
Monthly rainy days
11 days
12 days
13 days
Weather conditions
poor
poor
unpleasant
Climate in Grand Manan Island →

Saint John

In May Saint John generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
8°C (46°F)
13°C (55°F)
17°C (63°F)
Min temperature
1°C (34°F)
6°C (43°F)
11°C (52°F)
Monthly rainfall
112 mm (4.4 in)
108 mm (4.3 in)
116 mm (4.6 in)
Monthly rainy days
13 days
14 days
13 days
Weather conditions
poor
poor
unpleasant
Climate in Saint John →

Fredericton

In May Fredericton generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
11°C (52°F)
18°C (64°F)
23°C (73°F)
Min temperature
0°C (32°F)
6°C (43°F)
11°C (52°F)
Monthly rainfall
95 mm (3.7 in)
102 mm (4 in)
106 mm (4.2 in)
Monthly rainy days
12 days
14 days
13 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Fredericton →

Saint Andrews

In May Saint Andrews generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
10°C (50°F)
16°C (61°F)
21°C (70°F)
Min temperature
1°C (34°F)
7°C (45°F)
11°C (52°F)
Monthly rainfall
98 mm (3.9 in)
91 mm (3.6 in)
100 mm (3.9 in)
Monthly rainy days
10 days
12 days
11 days
Weather conditions
poor
tolerable
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 May

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

City Weather Day temp Night temp Rainfall
Moncton 17°C (63°F) 5°C (41°F) 89 mm (3.5 in)
Grand Manan Island 11°C (52°F) 7°C (45°F) 113 mm (4.4 in)
Saint John 13°C (55°F) 6°C (43°F) 108 mm (4.3 in)
Fredericton 18°C (64°F) 6°C (43°F) 102 mm (4 in)
Saint Andrews 16°C (61°F) 7°C (45°F) 91 mm (3.6 in)
Edmundston 16°C (61°F) 4°C (39°F) 85 mm (3.3 in)

New Brunswick weather in May: frequently asked questions

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

New Brunswick, Canada typically experiences tolerable weather in May, part of the season. Daytime highs in Moncton average around 17°C (63°F), and temperatures drop to about 5°C (41°F) at night.

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

Moncton averages a daytime maximum of 17°C (63°F) in May, with overnight lows close to 5°C (41°F).

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

Not particularly. Moncton averages just 89 mm (3.5 in) of rain in May, making it a mostly dry month for New Brunswick, Canada.

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

In our opinion, May is a good time to visit New Brunswick, Canada with overall tolerable weather in Moncton. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit New Brunswick, Canada is in June, July, August and September with generally 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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