Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Dunnville in May shows a temperature shift, moving from an average high of a fresh 10.7°C (51.3°F) in April to a refreshing 18.2°C (64.8°F). Throughout the nights in May, an average low-temperature of 9.3°C (48.7°F) is noted in Dunnville.Humidity
In Dunnville, the average relative humidity in May is 77%.Rainfall
In Dunnville, during May, the rain falls for 16.9 days and regularly aggregates up to 78mm (3.07") of precipitation. Throughout the year, there are 170.3 rainfall days, and 804mm (31.65") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Dunnville aggregates 7mm (0.28") of snow. In Dunnville, during the entire year, snow falls for 64.1 days and aggregates up to 576mm (22.68") of snow.Daylight
In May, the average length of the day in Dunnville is 14h and 40min.On the first day of May in Dunnville, sunrise is at 6:11 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:50 pm EDT.
Sunshine
In May, the average sunshine in Dunnville, Canada, is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take precautions - Protection against sun damage is advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the average May temperature in Dunnville?
What is the average humidity in May in Dunnville?
How much does it rain in Dunnville in May?
What is the last month it snows in Dunnville?
What is the average length of the day in May in Dunnville?
What time are sunrise and sunset in May in Dunnville?
How long on average sun shines in May in Dunnville?
How high is the UV index in May in Dunnville?
Average temperature in May
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, Canada
- Average daylight in May: 14h and 4min
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 5min
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
Dunnville, 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
Dunnville, 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
Dunnville, 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
Dunnville, 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).
Dunnville, Canada
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