May weather forecastPorter Landing, Canada
May
Weather in May
The last month of the spring, May, is a frosty month in Porter Landing, Canada, with an average temperature ranging between min 0.8°C (33.4°F) and max 9.6°C (49.3°F).Temperature
The arrival of May brings a distinct temperature shift, with the average high-temperature escalating from a cold 0.8°C (33.4°F) in April to a chilly 9.6°C (49.3°F). Porter Landing temperatures generally rest at a low of 0.8°C (33.4°F) during the May nights.Humidity
In May, the average relative humidity is 67%.Rainfall
In Porter Landing, in May, during 11.2 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Porter Landing, there are 115.5 rainfall days, and 264mm (10.39") of precipitation is accumulated.Snowfall
January through May, August through December are months with snowfall. May is the last month it regularly snows. During 3.9 snowfall days, in May, Porter Landing aggregates 25mm (0.98") of snow. In Porter Landing, during the entire year, snow falls for 111.9 days and aggregates up to 855mm (33.66") of snow.Daylight
In May, the average length of the day is 16h and 56min.On the first day of May, sunrise is at 5:41 am and sunset at 9:33 pm. On the last day of the month, sunrise is at 4:40 am and sunset at 10:36 pm PDT.
Sunshine
The average sunshine in May in Porter Landing is 11.2h.UV index
The average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during May leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Porter Landing, Canada
- Average high temperature in May: 9.6°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is December (-10.5°C).
- Average low temperature in May: 0.8°C
The month with the highest average low temperature is July (5.3°C).
The coldest month (with the lowest average low temperature) is February (-17.3°C).
Average pressure in May
Porter Landing, Canada
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is February (1018mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed in May
Porter Landing, Canada
- Average wind speed in May: 9.6km/h
The windiest months (with the highest average wind speed) are January and June (10.3km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).
Average humidity in May
Porter Landing, Canada
- Average humidity in May: 67%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (62%).
Average rainfall in May
Porter Landing, Canada
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in May
Porter Landing, Canada
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in May
Porter Landing, Canada
- Average snowfall in May: 25mm
The month with the highest snowfall is November (195mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in May
Porter Landing, Canada
- Average snowfall days in May: 3.9 days
The month with the highest number of snowfall days is November (17.9 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Porter Landing, Canada
- Average daylight in May: 16h and 54min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in May: 11h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Porter Landing, Canada
- Average sunshine days in May: 16.1 days
The months with the most sunshine days are May and December (16.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in May
Porter Landing, Canada
- Average UV index in May: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in May
Porter Landing, Canada
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in May
Porter Landing, Canada
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).





