January weather forecastWaterloo, Canada
January
Weather in January
Snow is a definitive characteristic of Waterloo's weather in January. With an average snowfall measurement of 137mm (5.39") that occurs over 18.3 days, it is the month with the third-highest snowfall. The typically brisk winds, averaging at a speed of 18.1km/h (11.2mph), accentuate the frigid feel. Despite the prevalence of snow, rainfall does occur, contributing to damp conditions. The cold temperatures, snow, and moisture make it necessary to bundle up during this month.Temperature
The month of January, characterized by an average high of -3.7°C (25.3°F) and a low of -9.3°C (15.3°F), is recognized as the coldest in Waterloo.Humidity
January and February, with an average relative humidity of 89%, are the most humid months in Waterloo.Rainfall
In Waterloo, in January, during 7.7 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, there are 157.6 rainfall days, and 681mm (26.81") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Waterloo, Canada. In Waterloo, during January, snow falls for 18.3 days and regularly aggregates up to 137mm (5.39") of snow. In Waterloo, during the entire year, snow falls for 80.1 days and aggregates up to 666mm (26.22") of snow.Daylight
In January, the average length of the day in Waterloo is 9h and 24min.On the first day of the month, sunrise is at 7:54 am and sunset at 4:56 pm. On the last day of January, in Waterloo, sunrise is at 7:39 am and sunset at 5:31 pm EST.
Sunshine
With an average of 2.5h of sunshine, January has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Waterloo. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during January leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Waterloo, Canada
- Average high temperature in January: -3.7°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in January: -9.3°C
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).
Average pressure in January
Waterloo, Canada
- Average pressure in January: 1017.3mbar
The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in January
Waterloo, Canada
- Average wind speed in January: 18.1km/h
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in January
Waterloo, Canada
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Waterloo, Canada
- Average rainfall in January: 59mm
The wettest month (with the highest rainfall) is October (71mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in January
Waterloo, Canada
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in January
Waterloo, Canada
- Average snowfall in January: 137mm
The month with the highest snowfall is February (164mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Waterloo, Canada
- Average snowfall days in January: 18.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Waterloo, Canada
- Average daylight in January: 9h and 24min
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: 2h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in January
Waterloo, Canada
- Average sunshine days in January: 7.3 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in January
Waterloo, Canada
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Waterloo, Canada
- Average cloud cover in January: 75
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
Waterloo, Canada
- Average visibility in January: 7km
The months with the highest visibility are April, May, June, July and October (9km).
The month with the lowest visibility is January (7km).





