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
January
Weather in January
Temperature
With average high temperatures of -2.9°C (26.8°F) and lows of -8.3°C (17.1°F), January is the coldest month.Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Whitby, during January, the rain falls for 8.2 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, there are 158.8 rainfall days, and 693mm (27.28") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In January, it is snowing for 13.8 days. Throughout January, 90mm (3.54") of snow is accumulated. Throughout the year, there are 51.4 snowfall days, and 383mm (15.08") of snow is accumulated.Daylight
The average length of the day in January is 9h and 21min.On the first day of January, sunrise is at 7:50 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:24 pm EST.
Sunshine
With an average of 3h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January in Whitby?
Average temperature in January
Whitby, Canada
- Average high temperature in January: -2.9°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in January: -8.3°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in January
Whitby, Canada
- Average pressure in January: 1016.9mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in January
Whitby, Canada
- Average wind speed in January: 18.7km/h
The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in January
Whitby, Canada
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Whitby, Canada
- Average rainfall in January: 53mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).
Average rainfall days in January
Whitby, Canada
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Whitby, Canada
- Average snowfall in January: 90mm
The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Whitby, Canada
- Average snowfall days in January: 13.8 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Whitby, Canada
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Whitby, Canada
- Average sunshine days in January: 12.2 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in January
Whitby, Canada
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Whitby, Canada
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Whitby, Canada
- Average visibility in January: 8km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (8km).
