May weather forecastPort Colborne, Canada
May
Weather in May
May, the last month of the spring in Port Colborne, is a comfortable month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 18.2°C (64.8°F).Temperature
May indicates a change in the average high-temperature, moving up from a cool 10.7°C (51.3°F) in April to an enjoyable 18.2°C (64.8°F). Port Colborne throughout May, experiences an average nighttime temperature of 9.3°C (48.7°F).Humidity
In May, the average relative humidity is 77%.Rainfall
In Port Colborne, in May, during 16.9 rainfall days, 78mm (3.07") of precipitation is typically accumulated. Throughout the year, in Port Colborne, Canada, there are 170.3 rainfall days, and 804mm (31.65") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Port Colborne aggregates 7mm (0.28") of snow. In Port Colborne, during the entire year, snow falls for 64.1 days and aggregates up to 576mm (22.68") of snow.Daylight
In Port Colborne, the average length of the day in May is 14h and 40min.On the first day of May in Port Colborne, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine in Port Colborne is 8.8h.UV index
The average daily maximum UV index in May in Port Colborne is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Port Colborne, Canada
- Average high temperature in May: 18.2°C
The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is July (17.5°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).
Average pressure in May
Port Colborne, Canada
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in May
Port Colborne, Canada
- Average wind speed in May: 13.4km/h
The windiest month (with the highest average wind speed) is January (19.6km/h).
The calmest month (with the lowest average wind speed) is July (11.6km/h).
Average humidity in May
Port Colborne, Canada
- Average humidity in May: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (75%).
Average rainfall in May
Port Colborne, Canada
- Average rainfall in May: 78mm
The wettest month (with the highest rainfall) is July (86mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in May
Port Colborne, Canada
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (18.7 days).
The months with the least rainy days are January and February (8.1 days).
Average snowfall in May
Port Colborne, Canada
- Average snowfall in May: 7mm
The month with the highest snowfall is February (179mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Port Colborne, Canada
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Port Colborne, Canada
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Port Colborne, Canada
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is September (12.6 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in May
Port Colborne, Canada
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Port Colborne, Canada
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Port Colborne, Canada
- Average visibility in May: 9km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January and February (8km).
