St. John's (Newfoundland and Labrador) in may: average Weather, Temperature and Climate
Weather in St. John's (Newfoundland and Labrador) in may 2025
The weather in Saint-Jean de Terre-Neuve in may comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
very bad weather 29.3cm
Weather at 6am
41°F
Cloudy
25% of time
23%
21%
14%
Weather at 12pm
43°F
Cloudy
27% of time
26%
23%
11%
Weather at 6pm
43°F
Clear/Sunny
26% of time
26%
23%
11%
Weather at 3am
41°F
26%
23%
20%
15%
Evolution of daily average temperature and precipitation in St. John's (Newfoundland and Labrador) in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in St. John's (Newfoundland and Labrador) in may.
The climate of St. John's (Newfoundland and Labrador) in may is very bad
In may in Saint-Jean de Terre-Neuve, the climate is wet (with 4.7in of rainfall over 7 days). The situation is deteriorating compared to the previous month since in april there is an average of 5.1in of precipitation over 7 days.
The climate is relatively cool in that locality this month, but it is endurable by dressing hot. The high seasonal norm is 45°F. The seasonal minimum is 40°F. Thus, the mean temperature average in may in Saint-Jean de Terre-Neuve is 43°F. Note that seasonal normals in contrast with those observed in Saint-Jean de Terre-Neuve in may with a maximum record of 63°F in 2020 and a minimum record of 22°F in 2020.
On this month of may, day length in Saint-Jean de Terre-Neuve is generally 15:09. The sun rises at 03:53 and sunset is at 19:02.
May: another location in Canada?
If you want to go to Canada in may, there are destinations with better weather than St. John's (Newfoundland and Labrador):
In may, Ottawa, Quebec City, Toronto, Niagara Falls (Ontario), Brampton and Victoria have good weather.
Finally, Calgary, Thunder Bay, Vancouver, Whistler, Whitehorse (Yukon) and Winnipeg (Manitoba) have a tolerable climate, but better than St. John's (Newfoundland and Labrador).
Seasonal average climate and temperature of St. John's (Newfoundland and Labrador) in may
Check below seasonal norms These datas are compiled from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 43°F | ||||
| Highest temperature | 45°F | ||||
| Lowest temperature | 40°F | ||||
| Highest record temperature | 63°F (2020) | ||||
| Lowest record temperature | 22°F (2020) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 2 day(s) (6%) | ||||
| Sea temperature | |||||
| Average sea temperature | 37°F | ||||
| Lowest sea temperature | 32°F | ||||
| Highest sea temperature | 42°F | ||||
| Wind | |||||
| Wind speed | 28km/h | ||||
| Wind temperature | 32°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.7in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 3.1in (2018) | ||||
| Snowfall | 29.3cm | ||||
| Other climate data | |||||
| Humidity | 90% | ||||
| Visibility | 8.71km | ||||
| Cloud cover | 59% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 03:53 | ||||
| Time of sunset | 19:02 | ||||
| Length of day | 15:09 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last may?
Here is the day by day recorded weather in St. John's (Newfoundland and Labrador) in may 2024:
36°F to 40°F
40°F to 43°F
38°F to 40°F
36°F to 38°F
36°F to 40°F
40°F to 50°F
40°F to 45°F
40°F to 43°F
40°F to 43°F
36°F to 38°F
36°F to 38°F
38°F to 43°F
40°F to 50°F
40°F to 41°F
40°F to 43°F
45°F to 49°F
40°F to 43°F
40°F to 43°F
40°F to 41°F
40°F to 45°F
45°F to 54°F
45°F to 52°F
38°F to 41°F
36°F to 40°F
47°F to 54°F
41°F to 45°F
38°F to 41°F
40°F to 52°F
43°F to 45°F
45°F to 59°F
47°F to 52°F
Map: other cities in Canada in may
Cities near St. John's (Newfoundland and Labrador):
| Bonavista in may | very bad weather |
| Twillingate in may | very bad weather |
| Corner Brook in may | very bad weather |
| Gros Morne National Park in may | very bad weather |
| Sydney in may | very bad weather |
| Cape Breton Island in may | very bad weather |
| Charlottetown in may | bad weather |
| Happy Valley-Goose Bay in may | very bad weather |
| Hebron (Prince Edward Island) in may | tolerable weather |
| Halifax in may | bad weather |
| Moncton in may | tolerable weather |
| Fundy National Park in may | tolerable weather |
Click over cities on the map for information about the weather in may.
St. John's (Newfoundland and Labrador)
perfect weather
good
tolerable
bad
very bad
Weather data for St. John's (Newfoundland and Labrador) in may:
Weather data for St. John's (Newfoundland and Labrador) for may are derived from an average of the weather forecast since 2009 in St. John's (Newfoundland and Labrador). There is a margin of error and these forecasts are to be considered as general information only. The weather in St. John's (Newfoundland and Labrador) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to St. John's (Newfoundland and Labrador).