July weather forecastChalk River, Canada
July
Weather in July
July is a warm summer month in Chalk River, Canada, with an average temperature fluctuating between 13.3°C (55.9°F) and 25.8°C (78.4°F).Temperature
July is the warmest month, with an average high-temperature of 25.8°C (78.4°F) and an average low-temperature of 13.3°C (55.9°F).Humidity
In Chalk River, the average relative humidity in July is 73%.Rainfall
In Chalk River, in July, during 14.3 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, in Chalk River, there are 126 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
In Chalk River, Canada, snow does not fall in June through September.Daylight
The average length of the day in July in Chalk River is 15h and 20min.On the first day of July, sunrise is at 5:23 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:40 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.2h 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 estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during July translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Chalk River, Canada
- Average high temperature in July: 25.8°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-6.8°C).
- Average low temperature in July: 13.3°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-15.1°C).
Average pressure in July
Chalk River, Canada
- Average pressure in July: 1013mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in July
Chalk River, Canada
- Average wind speed in July: 9.4km/h
The windiest month (with the highest average wind speed) is April (12km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in July
Chalk River, Canada
- Average humidity in July: 73%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in July
Chalk River, Canada
- Average rainfall in July: 44mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in July
Chalk River, Canada
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in July
Chalk River, Canada
- Average snowfall in July: 0mm
The month with the highest snowfall is January (239mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Chalk River, Canada
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Chalk River, Canada
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 1h and 54min).
Average sunshine days in July
Chalk River, Canada
- Average sunshine days in July: 14.5 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in July
Chalk River, Canada
- Average UV index in July: 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, February, March, November and December (UV index 1).
Average cloud cover in July
Chalk River, Canada
- Average cloud cover in July: 34
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in July
Chalk River, Canada
- Average visibility in July: 9km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).





