May weather forecastChester, Canada
May
Weather in May
May, the last month of the spring in Chester, is a cool month, with an average temperature fluctuating between 6.1°C (43°F) and 11.7°C (53.1°F).Temperature
As May begins, there's a slight increase in the average high-temperature, moving from a chilly 6.8°C (44.2°F) in April to a fresh 11.7°C (53.1°F). Throughout the month of May, the average temperature in Chester, Canada, dips to a frosty 6.1°C (43°F) at night.Humidity
The average relative humidity in May in Chester is 82%.Rainfall
In Chester, during May, the rain falls for 14.7 days and regularly aggregates up to 55mm (2.17") of precipitation. In Chester, during the entire year, the rain falls for 148.3 days and collects up to 861mm (33.9") of precipitation.Snowfall
January through May, November and December are months with snowfall in Chester, Canada. May is the last month it regularly snows. During 0.3 snowfall days, in May, Chester aggregates 1mm (0.04") of snow. In Chester, during the entire year, snow falls for 43.7 days and aggregates up to 461mm (18.15") of snow.Sea temperature
In Chester, the average seawater temperature in May is 5.4°C (41.7°F).Note: In 5.4°C (41.7°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
In Chester, the average length of the day in May is 14h and 49min.On the first day of May, sunrise is at 6:06 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:54 pm ADT.
Sunshine
In May, the average sunshine is 7.3h.UV index
In Chester, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chester, Canada
- Average high temperature in May: 11.7°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in May: 6.1°C
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in May
Chester, Canada
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in May
Chester, Canada
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in May
Chester, Canada
- Average humidity in May: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in May
Chester, Canada
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in May
Chester, Canada
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in May
Chester, Canada
- Average snowfall in May: 1mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Chester, Canada
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Chester, Canada
- Average sea temperature in May: 5.4°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest months (with the lowest average sea temperature) are February and March (1.1°C).
Average daylight in May /
Average sunshine in May
Chester, Canada
- Average daylight in May: 14h and 48min
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: 7h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Chester, Canada
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in May
Chester, Canada
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Chester, Canada
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Chester, Canada
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
