May weather forecastThornhill, Canada
May
Weather in May
The last month of the spring, May, is a refreshing month in Thornhill, Canada, with temperature in the range of an average high of 16.3°C (61.3°F) and an average low of 8.5°C (47.3°F).Temperature
May's arrival signals an increase in average high-temperatures, moving from April's frosty 9.3°C (48.7°F) to an enjoyable 16.3°C (61.3°F). Thornhill, during the nights of May, experiences an average temperature drop to a frosty 8.5°C (47.3°F).Humidity
In May, the average relative humidity is 76%.Rainfall
In Thornhill, in May, during 15.8 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, in Thornhill, Canada, there are 136.9 rainfall days, and 456mm (17.95") of precipitation is accumulated.Snowfall
In Thornhill, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 45min.On the first day of May in Thornhill, sunrise is at 6:08 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:52 pm EDT.
Sunshine
The average sunshine in May in Thornhill is 9h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Thornhill, Canada
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in May: 8.5°C
The month with the highest average low temperature is July (17.4°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in May
Thornhill, Canada
- Average pressure in May: 1015.3mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).
Average wind speed in May
Thornhill, Canada
- Average wind speed in May: 12.6km/h
The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in May
Thornhill, Canada
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in May
Thornhill, Canada
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in May
Thornhill, Canada
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in May
Thornhill, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Thornhill, Canada
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thornhill, Canada
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Thornhill, Canada
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Thornhill, Canada
- Average UV index in May: 4
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
Thornhill, Canada
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Thornhill, Canada
- Average visibility in May: 9km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (9km).
