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
May is characterized by a noticeable escalation in the average high-temperature, rising from a frosty 8.8°C (47.8°F) in April to a refreshing 16.8°C (62.2°F). In May, a remarkable difference from daytime highs is noted, as Keithley Creek records an average temperature of 3.7°C (38.7°F) during the night.Humidity
The average relative humidity in May is 65%.Rainfall
In Keithley Creek, Canada, in May, during 16.3 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Keithley Creek, during the entire year, the rain falls for 145.7 days and collects up to 449mm (17.68") of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.7 snowfall days, in May, Keithley Creek aggregates 16mm (0.63") of snow. Throughout the year, there are 124.8 snowfall days, and 1359mm (53.5") of snow is accumulated.Daylight
In May, the average length of the day is 15h and 50min.On the first day of May, sunrise is at 5:31 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 4:47 am and sunset at 9:19 pm PDT.
Sunshine
In May, the average sunshine is 10.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May in Keithley Creek?
What is the last month it snows?
How many hours of daylight does Keithley Creek have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Keithley Creek, Canada
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is December (-4.5°C).
- Average low temperature in May: 3.7°C
The months with the highest average low temperature are July and August (8.8°C).
The coldest month (with the lowest average low temperature) is February (-11.9°C).
Average pressure in May
Keithley Creek, Canada
- Average pressure in May: 1013.9mbar
The months with the highest atmospheric pressure are January, February and December (1019.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in May
Keithley Creek, Canada
- Average wind speed in May: 6.7km/h
The windiest month (with the highest average wind speed) is November (8.9km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in May
Keithley Creek, Canada
- Average humidity in May: 65%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Keithley Creek, Canada
- Average rainfall in May: 40mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in May
Keithley Creek, Canada
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Keithley Creek, Canada
- Average snowfall in May: 16mm
The month with the highest snowfall is January (245mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Keithley Creek, Canada
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is March (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Keithley Creek, Canada
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Keithley Creek, Canada
- Average sunshine days in May: 11 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is March (6 days).
Average UV index in May
Keithley Creek, 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 1).
Average cloud cover in May
Keithley Creek, Canada
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Keithley Creek, Canada
- Average visibility in May: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (5km).
