Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
The weather during August records an average high-temperature of a still moderately hot 24.4°C (75.9°F), closely mirroring the preceding month. Throughout the month of August, Napierville witnesses an average temperature of 14.8°C (58.6°F).Humidity
In August, the average relative humidity is 80%.Rainfall
August is the month with the most rainfall. Rain falls for 13.8 days and accumulates 37mm (1.46") of precipitation.Snowfall
In Napierville, snow does not fall in June through September.Daylight
In August, the average length of the day is 14h and 2min.On the first day of August, sunrise is at 5:39 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:32 pm EDT.
Sunshine
The months with the most sunshine in Napierville, Canada, are July and August, with an average of 10.3h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Napierville?
What is the average humidity in August in Napierville?
What is the wettest month in Napierville?
How much does it rain in Napierville in August?
When it does not snow in Napierville?
What is the average length of the day in August in Napierville?
When is the sunrise / sunset in August in Napierville?
What is the month with the most sunshine in Napierville?
How many hours of sunshine does Napierville have in August?
What are the months with the highest UV index in Napierville?
What is the UV index intensity in August in Napierville?
Average temperature in August
Napierville, Canada
- Average high temperature in August: 24.4°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 August: 14.8°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 August
Napierville, Canada
- Average pressure in August: 1014.3mbar
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 August
Napierville, Canada
- Average wind speed in August: 10.4km/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 August
Napierville, Canada
- Average humidity in August: 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 August
Napierville, Canada
- Average rainfall in August: 37mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in August
Napierville, Canada
- Average rainfall days in August: 13.8 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 August
Napierville, Canada
- Average snowfall in August: 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 August
Napierville, Canada
- Average snowfall days in August: 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 August /
Average sunshine in August
Napierville, Canada
- Average daylight in August: 14h and 0min
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 August: 10h and 2min
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 August
Napierville, Canada
- Average sunshine days in August: 13.6 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 August
Napierville, Canada
- Average UV index in August: 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 August
Napierville, Canada
- Average cloud cover in August: 33
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 August
Napierville, Canada
- Average visibility in August: 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).
