Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Temperature readings reach their annual highs in January, averaging -6.8°C (19.8°F) and a minimum average of -15.1°C (4.8°F).Humidity
The months with the highest humidity in Chalk River are January and February, with an average relative humidity of 92%.Rainfall
In Chalk River, in January, it is raining for 4.2 days, with typically 42mm (1.65") of accumulated precipitation. In Chalk River, during the entire year, the rain falls for 126 days and collects up to 575mm (22.64") of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Chalk River is January, when snow falls for 17.8 days and typically aggregates up to 239mm (9.41") of snow.Daylight
In January, the average length of the day in Chalk River is 9h and 8min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:33 am and sunset at 5:12 pm EST.
Sunshine
In Chalk River, the average sunshine in January is 2.2h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during January translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Chalk River?
How cold is January in Chalk River?
What are the most humid months in Chalk River?
What is the average humidity in January in Chalk River?
How much does it rain in Chalk River in January?
What is the snowiest month in Chalk River?
How much does it snow in Chalk River in January?
How many hours of daylight does Chalk River have in January?
When are sunrise and sunset in January in Chalk River?
How long on average sun shines in January in Chalk River?
What are the months with the lowest UV index in Chalk River?
How high is the UV index in January in Chalk River?
Average temperature in January
Chalk River, Canada
- Average high temperature in January: -6.8°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 January: -15.1°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 January
Chalk River, Canada
- Average pressure in January: 1016.5mbar
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 January
Chalk River, Canada
- Average wind speed in January: 10.8km/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 January
Chalk River, Canada
- Average humidity in January: 92%
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 January
Chalk River, Canada
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in January
Chalk River, Canada
- Average rainfall days in January: 4.2 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 January
Chalk River, Canada
- Average snowfall in January: 239mm
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 January
Chalk River, Canada
- Average snowfall days in January: 17.8 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 January /
Average sunshine in January
Chalk River, Canada
- Average daylight in January: 9h and 1min
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 January: 2h and 1min
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 January
Chalk River, Canada
- Average sunshine days in January: 13.2 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 January
Chalk River, Canada
- Average UV index in January: 1
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 January
Chalk River, Canada
- Average cloud cover in January: 77
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 January
Chalk River, Canada
- Average visibility in January: 6km
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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