May weather forecastBrockville, Canada
May
Weather in May
The last month of the spring, May, is an enjoyable month in Brockville, Canada, with an average temperature ranging between min 7.8°C (46°F) and max 18.2°C (64.8°F).Temperature
May's onset witnesses a shift in the average high-temperature, moving from a cool 10.3°C (50.5°F) in April to an enjoyable 18.2°C (64.8°F). Brockville experiences an average low-temperature of 7.8°C (46°F) in month of May.Humidity
In May, the average relative humidity in Brockville is 79%.Rainfall
In May, in Brockville, the rain falls for 16.4 days. Throughout May, 67mm (2.64") of precipitation is accumulated. Throughout the year, in Brockville, Canada, there are 141.7 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Brockville. During 0.5 snowfall days, in May, Brockville aggregates 2mm (0.08") of snow. In Brockville, during the entire year, snow falls for 56.1 days and aggregates up to 622mm (24.49") of snow.Daylight
The average length of the day in May is 14h and 50min.On the first day of May in Brockville, sunrise is at 5:51 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:40 pm EDT.
Sunshine
The average sunshine in May in Brockville, Canada, is 8.5h.UV index
The average daily maximum UV index in May in Brockville is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Brockville, Canada
- Average high temperature in May: 18.2°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 (-4.4°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure in May
Brockville, Canada
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed in May
Brockville, Canada
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in May
Brockville, Canada
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Brockville, Canada
- Average rainfall in May: 67mm
The wettest month (with the highest rainfall) is August (70mm).
The driest months (with the least rainfall) are March and November (43mm).
Average rainfall days in May
Brockville, Canada
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Brockville, Canada
- Average snowfall in May: 2mm
The month with the highest snowfall is February (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Brockville, Canada
- Average snowfall days in May: 0.5 days
The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brockville, Canada
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Brockville, Canada
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in May
Brockville, 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
Brockville, Canada
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Brockville, Canada
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).
