May weather forecastStephenville, Canada
May
Weather in May
May, the last month of the spring in Stephenville, is a frosty month, with an average temperature ranging between min 2.7°C (36.9°F) and max 8.5°C (47.3°F).Temperature
Stephenville sees an increase in the average high-temperature with the arrival of May, moving from April's wintry 3.1°C (37.6°F) to a chilly 8.5°C (47.3°F). Throughout the nights in May, an average low-temperature of 2.7°C (36.9°F) is noted in Stephenville.Humidity
In May, the average relative humidity is 81%.Rainfall
In May, in Stephenville, the rain falls for 14.5 days. Throughout May, 51mm (2.01") of precipitation is accumulated. In Stephenville, during the entire year, the rain falls for 126.7 days and collects up to 629mm (24.76") of precipitation.Snowfall
January through May, October through December are months with snowfall in Stephenville. May is the last month it regularly snows. During 1.7 snowfall days, in May, Stephenville aggregates 20mm (0.79") of snow. Throughout the year, there are 61.4 snowfall days, and 600mm (23.62") of snow is accumulated.Sea temperature
In Stephenville, in May, the average water temperature is 3.4°C (38.1°F).Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
Daylight
The average length of the day in May in Stephenville, Canada, is 15h and 16min.On the first day of May, sunrise is at 6:03 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 9:17 pm NDT.
Sunshine
The average sunshine in May in Stephenville is 7h.UV index
In May, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in May transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stephenville, Canada
- Average high temperature in May: 8.5°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is February (-3.1°C).
- Average low temperature in May: 2.7°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in May
Stephenville, Canada
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is January (1008.6mbar).
Average wind speed in May
Stephenville, Canada
- Average wind speed in May: 16.5km/h
The windiest month (with the highest average wind speed) is January (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in May
Stephenville, Canada
- Average humidity in May: 81%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in May
Stephenville, Canada
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is March (41mm).
Average rainfall days in May
Stephenville, Canada
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Stephenville, Canada
- Average snowfall in May: 20mm
The month with the highest snowfall is February (143mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Stephenville, Canada
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Stephenville, Canada
- Average sea temperature in May: 3.4°C
The best month for swimming (with the highest average sea temperature) is August (15.5°C).
The coldest month (with the lowest average sea temperature) is March (-0.3°C).
Average daylight in May /
Average sunshine in May
Stephenville, Canada
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 7h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in May
Stephenville, Canada
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is June (16.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Stephenville, Canada
- Average UV index in May: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Stephenville, Canada
- Average cloud cover in May: 54
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in May
Stephenville, Canada
- Average visibility in May: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
