June weather forecastNapierville, Canada
June
Weather in June
June, the first month of the summer in Napierville, is a pleasant month, with an average temperature varying between 21.9°C (71.4°F) and 12.1°C (53.8°F).Temperature
The arrival of June signals a slight increase in the average high-temperature, moving from a refreshing 18.3°C (64.9°F) in May to a pleasant 21.9°C (71.4°F). In June, Napierville records an average nighttime temperature of 12.1°C (53.8°F).Humidity
In June, the average relative humidity is 80%.Rainfall
In Napierville, in June, it is raining for 16.6 days, with typically 33mm (1.3") of accumulated precipitation. In Napierville, during the entire year, the rain falls for 137 days and collects up to 329mm (12.95") of precipitation.Snowfall
In Napierville, Canada, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 36min of daylight.On the first day of the month, sunrise is at 5:08 am and sunset at 8:34 pm. On the last day of June, sunrise is at 5:09 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in June in Napierville is 9h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Napierville. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in June translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Napierville, Canada
- Average high temperature in June: 21.9°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in June: 12.1°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 (-12.4°C).
Average pressure in June
Napierville, Canada
- Average pressure in June: 1012.5mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in June
Napierville, Canada
- Average wind speed in June: 11km/h
The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.4km/h).
Average humidity in June
Napierville, Canada
- Average humidity in June: 80%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in June
Napierville, Canada
- Average rainfall in June: 33mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in June
Napierville, Canada
- Average rainfall days in June: 16.6 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in June
Napierville, Canada
- Average snowfall in June: 0mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in June
Napierville, Canada
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Napierville, Canada
- Average daylight in June: 15h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in June: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in June
Napierville, Canada
- Average sunshine days in June: 10.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in June
Napierville, Canada
- Average UV index in June: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Napierville, Canada
- Average cloud cover in June: 42
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Napierville, Canada
- Average visibility in June: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).





