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
May
Weather in May
Temperature
In Smiths Falls, the average high-temperature in May rises, from a fresh 10.3°C (50.5°F) in April, to a comfortable 18.2°C (64.8°F). Smiths Falls records an average nighttime low-temperature of 7.8°C (46°F) throughout May.Humidity
In May, the average relative humidity in Smiths Falls, Canada, is 79%.Rainfall
In Smiths Falls, in May, it is raining for 16.4 days, with typically 67mm (2.64") of accumulated precipitation. Throughout the year, in Smiths Falls, there are 141.7 rainfall days, and 669mm (26.34") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Smiths Falls. During 0.5 snowfall days, in May, Smiths Falls aggregates 2mm (0.08") of snow. In Smiths Falls, during the entire year, snow falls for 56.1 days and aggregates up to 622mm (24.49") of snow.Daylight
In Smiths Falls, the average length of the day in May is 14h and 52min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May in Smiths Falls is 8.5h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Smiths Falls?
What is the average humidity in May in Smiths Falls?
How many days does it rain in May in Smiths Falls?
What is the last month it snows in Smiths Falls?
What is the average length of the day in May in Smiths Falls?
What time are sunrise and sunset in May in Smiths Falls?
How many hours of sunshine does Smiths Falls have in May?
What is the UV index reading in May in Smiths Falls?
Average temperature in May
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, Canada
- Average daylight in May: 14h and 5min
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 3min
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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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
Smiths Falls, 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).
