May weather forecastDuncan, Canada
May
Weather in May
The last month of the spring, May, is a mild month in Duncan, Canada, with an average temperature fluctuating between 15.4°C (59.7°F) and 9.1°C (48.4°F).Temperature
Duncan in May experiences a slight uptick in the average high-temperature, adjusting from April's fresh 11.6°C (52.9°F) to a mild 15.4°C (59.7°F). Duncan records a consistent low-temperature of 9.1°C (48.4°F) during May nights.Humidity
In May, the average relative humidity is 75%.Rainfall
In Duncan, during May, the rain falls for 5.8 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, in Duncan, there are 72.5 rainfall days, and 163mm (6.42") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Duncan is 15h and 18min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:30 pm. On the last day of May, sunrise is at 5:16 am and sunset at 9:09 pm PDT.
Sunshine
In May, the average sunshine in Duncan is 10.2h.UV index
The average daily maximum UV index in May in Duncan, Canada, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in May translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Duncan, Canada
- Average high temperature in May: 15.4°C
The warmest months (with the highest average high temperature) are July and August (20.2°C).
The month with the lowest average high temperature is December (6.3°C).
- Average low temperature in May: 9.1°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in May
Duncan, Canada
- Average pressure in May: 1016.9mbar
The months with the highest atmospheric pressure are January and July (1017.8mbar).
The month with the lowest atmospheric pressure is March (1015.7mbar).
Average wind speed in May
Duncan, Canada
- Average wind speed in May: 7.4km/h
The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in May
Duncan, Canada
- Average humidity in May: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Duncan, Canada
- Average rainfall in May: 8mm
The wettest month (with the highest rainfall) is January (37mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in May
Duncan, Canada
- Average rainfall days in May: 5.8 days
The month with the highest number of rainy days is December (8.6 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in May
Duncan, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Duncan, Canada
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Duncan, 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 18min).
- Average sunshine in May: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in May
Duncan, Canada
- Average sunshine days in May: 24.8 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (17.4 days).
Average UV index in May
Duncan, Canada
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Duncan, Canada
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Duncan, Canada
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February and November (9km).
