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
The arrival of May brings a change in Port Perry's weather, with average high-temperatures moving from April's frosty 8.8°C (47.8°F) to a refreshing 15.7°C (60.3°F). During the nights in May, Port Perry observes an average low-temperature of 8°C (46.4°F).Humidity
In Port Perry, the average relative humidity in May is 77%.Rainfall
In Port Perry, Canada, in May, it is raining for 16.4 days, with typically 70mm (2.76") of accumulated precipitation. In Port Perry, during the entire year, the rain falls for 158.8 days and collects up to 693mm (27.28") of precipitation.Snowfall
In Port Perry, snow does not fall in May through October.Daylight
In May, the average length of the day in Port Perry is 14h and 47min.On the first day of May, sunrise is at 6:05 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:51 pm EDT.
Sunshine
In Port Perry, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 4 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port Perry in May?
What is the average humidity in May in Port Perry?
How much does it rain in Port Perry in May?
When it does not snow in Port Perry?
Does it snow in Port Perry in May?
What is the average length of the day in May in Port Perry?
When is the sunrise / sunset in May in Port Perry?
How long on average sun shines in May in Port Perry?
How high is the UV index in May in Port Perry?
Average temperature in May
Port Perry, Canada
- Average high temperature in May: 15.7°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in May
Port Perry, Canada
- Average pressure in May: 1015.2mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in May
Port Perry, Canada
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in May
Port Perry, Canada
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Port Perry, Canada
- Average rainfall in May: 70mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).
Average rainfall days in May
Port Perry, Canada
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Port Perry, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Port Perry, Canada
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Port Perry, Canada
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Port Perry, Canada
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in May
Port Perry, 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
Port Perry, Canada
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Port Perry, Canada
- Average visibility in May: 9km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (8km).
