Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The arrival of October signals a clear decrease in the average high-temperature, falling from a comfortable 19.6°C (67.3°F) in September to a fresh 11.4°C (52.5°F). In October, Chalk River experiences a temperature dip to an average of 3.6°C (38.5°F) at night.Humidity
In October, the average relative humidity is 80%.Rainfall
In Chalk River, during October, the rain falls for 13.7 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, in Chalk River, there are 126 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.3 snowfall days, it receives 7mm (0.28") of snow. In Chalk River, during the entire year, snow falls for 81.7 days and aggregates up to 1025mm (40.35") of snow.Daylight
The average length of the day in October in Chalk River is 10h and 55min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of October, in Chalk River, sunrise is at 7:49 am and sunset at 5:56 pm EDT.
Sunshine
In October, the average sunshine is 4.5h.UV index
The average daily maximum UV index in October in Chalk River is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 2 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in October in Chalk River?
What is the average humidity in October in Chalk River?
How much does it rain in Chalk River in October?
When does it start to snow in Chalk River?
What is the average length of the day in October in Chalk River?
What time are sunrise and sunset in October in Chalk River?
How long on average sun shines in October in Chalk River?
What is the UV index intensity in October in Chalk River?
Average temperature in October
Chalk River, Canada
- Average high temperature in October: 11.4°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 October: 3.6°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 October
Chalk River, Canada
- Average pressure in October: 1015.2mbar
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 October
Chalk River, Canada
- Average wind speed in October: 10.7km/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 October
Chalk River, Canada
- Average humidity in October: 80%
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 October
Chalk River, Canada
- Average rainfall in October: 57mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in October
Chalk River, Canada
- Average rainfall days in October: 13.7 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 October
Chalk River, Canada
- Average snowfall in October: 7mm
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 October
Chalk River, Canada
- Average snowfall days in October: 1.3 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 October /
Average sunshine in October
Chalk River, Canada
- Average daylight in October: 10h and 5min
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 October: 4h and 3min
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 October
Chalk River, Canada
- Average sunshine days in October: 14.7 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 October
Chalk River, Canada
- Average UV index in October: 2
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 October
Chalk River, Canada
- Average cloud cover in October: 54
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 October
Chalk River, Canada
- Average visibility in October: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
Chalk River, Canada
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