Newfoundland and Labrador Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Newfoundland and Labrador, Canada in May.

Planning a trip to Newfoundland and Labrador, Canada this May? Here's what you need to know about the weather:

What to Expect in Newfoundland and Labrador in May

Newfoundland and Labrador, Canada is a region in Canada. Newfoundland and Labrador, Canada has a wide variety of climate types. During May, you can expect temperatures that range from cold to mild and precipitation levels ranging from moderate to high.

Temperatures

The average highest temperatures fluctuate between cold in St. Anthony at 5°C (41°F) to mild in Grand Falls -Windsor at 14°C (57°F). Nighttime temperatures generally drop to 2°C (36°F) in Grand Falls -Windsor and 0°C (32°F) in St. Anthony.

To explore the conditions in Newfoundland and Labrador, Canada in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Clarenville with an average of 79 mm (3.1 in) to high rainfall in Cow Head with 113 mm (4.4 in).

Average sunshine

Most areas see decent amounts of sunshine this month. St. John's gets around 176 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Newfoundland and Labrador by month

Pick a month to see the average temperature, rainfall and sunshine in Newfoundland and Labrador — and find the best time to visit. (based on St. John's)

Best Places to Visit in Newfoundland and Labrador in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Newfoundland and Labrador.

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 Newfoundland and Labrador

What is the weather like in May for some of the most popular destinations in Newfoundland and Labrador, Canada?

Temperature range in Newfoundland and Labrador (May)

Precipitation variation in Newfoundland and Labrador (May)

St. John's

In May St. John's generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
6°C (43°F)
10°C (50°F)
14°C (57°F)
Min temperature
-1°C (30°F)
3°C (37°F)
6°C (43°F)
Monthly sun hours
140 hours
176 hours
200 hours
Monthly rainfall
98 mm (3.9 in)
81 mm (3.2 in)
77 mm (3 in)
Monthly rainy days
15 days
15 days
13 days
Weather conditions

Bonavista

In May Bonavista generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
4°C (39°F)
7°C (45°F)
11°C (52°F)
Min temperature
-1°C (30°F)
2°C (36°F)
6°C (43°F)
Monthly rainfall
101 mm (4 in)
92 mm (3.6 in)
94 mm (3.7 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

Trinity

In May Trinity generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
6°C (43°F)
10°C (50°F)
14°C (57°F)
Min temperature
-1°C (30°F)
3°C (37°F)
7°C (45°F)
Monthly rainfall
99 mm (3.9 in)
87 mm (3.4 in)
87 mm (3.4 in)
Monthly rainy days
11 days
12 days
11 days
Weather conditions

Corner Brook

In May Corner Brook generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
6°C (43°F)
12°C (54°F)
16°C (61°F)
Min temperature
-3°C (27°F)
2°C (36°F)
7°C (45°F)
Monthly rainfall
95 mm (3.7 in)
88 mm (3.5 in)
94 mm (3.7 in)
Monthly rainy days
14 days
14 days
14 days
Weather conditions

Gander

In May Gander generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
7°C (45°F)
14°C (57°F)
18°C (64°F)
Min temperature
-3°C (27°F)
3°C (37°F)
7°C (45°F)
Monthly rainfall
91 mm (3.6 in)
85 mm (3.3 in)
90 mm (3.5 in)
Monthly rainy days
17 days
16 days
15 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Newfoundland and Labrador, in Canada.

Popular cities in May

Day & night temperatures, rainfall and average weather in Newfoundland and Labrador in May.

City Weather Day temp Night temp Rainfall
St. John's 10°C (50°F) 3°C (37°F) 81 mm (3.2 in)
Bonavista 7°C (45°F) 2°C (36°F) 92 mm (3.6 in)
Trinity 10°C (50°F) 3°C (37°F) 87 mm (3.4 in)
Corner Brook 12°C (54°F) 2°C (36°F) 88 mm (3.5 in)
Gander 14°C (57°F) 3°C (37°F) 85 mm (3.3 in)
Deer Lake 13°C (55°F) 2°C (36°F) 91 mm (3.6 in)

Newfoundland and Labrador weather in May: frequently asked questions

What is the weather like in Newfoundland and Labrador, Canada in May?

Newfoundland and Labrador, Canada typically experiences poor weather in May, part of the season. Daytime highs in St. John's average around 10°C (50°F), and temperatures drop to about 3°C (37°F) at night.

What is the average temperature in Newfoundland and Labrador, Canada in May?

Daytime temperatures in St. John's peak at roughly 10°C (50°F) in May, dropping to about 3°C (37°F) overnight.

Does Newfoundland and Labrador, Canada get a lot of rain in May?

Not particularly. St. John's averages just 81 mm (3.2 in) of rain in May, making it a mostly dry month for Newfoundland and Labrador, Canada.

Is May a Good Time to Visit Newfoundland and Labrador, Canada?

Given the typically poor weather conditions in St. John's, May may not be the ideal time to visit Newfoundland and Labrador, Canada.

Generally speaking, August provides perfect weather in St. John's. On the other hand, the weather in January, February, March, April, May, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Newfoundland and Labrador.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.