January weather forecastSarnia, Canada
January
Weather in January
January, like December, is a freezing cold winter month in Sarnia, Canada, with an average temperature ranging between min -7.5°C (18.5°F) and max -2.3°C (27.9°F).Temperature
Sarnia's coldest temperatures are experienced in January, with average high temperatures of -2.3°C (27.9°F) and lows of -7.5°C (18.5°F).Humidity
In Sarnia, Canada, the average relative humidity in January is 85%.Rainfall
In Sarnia, in January, during 6.6 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Sarnia, there are 140.4 rainfall days, and 493mm (19.41") of precipitation is accumulated.Snowfall
Months with snowfall in Sarnia are January through May, October through December. In January, in Sarnia, Canada, it is snowing for 14.4 days. Throughout January, 71mm (2.8") of snow is accumulated. In Sarnia, during the entire year, snow falls for 55.2 days and aggregates up to 312mm (12.28") of snow.Sea temperature
In Sarnia, the average seawater temperature in January is 1.5°C (34.7°F).Note: While swimming, this is deemed life-threatening and exceptionally hazardous. The icy water induces intense pain and causes swift hyperventilation. Employing a specialized swimsuit is required to offset thermal harm.
Daylight
In January, the average length of the day in Sarnia, Canada, is 9h and 26min.On the first day of January, sunrise is at 8:00 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.9h of sunshine.UV index
The months with the lowest UV index in Sarnia are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 1 in January translates into the following recommendations:
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. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sarnia, Canada
- Average high temperature in January: -2.3°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 (-2.3°C).
- Average low temperature in January: -7.5°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).
Average pressure in January
Sarnia, Canada
- Average pressure in January: 1017.9mbar
The month with the highest atmospheric pressure is March (1018.8mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in January
Sarnia, Canada
- Average wind speed in January: 18.2km/h
The windiest month (with the highest average wind speed) is January (18.2km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in January
Sarnia, Canada
- Average humidity in January: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in January
Sarnia, Canada
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in January
Sarnia, Canada
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Sarnia, Canada
- Average snowfall in January: 71mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Sarnia, Canada
- Average snowfall days in January: 14.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Sarnia, Canada
- Average sea temperature in January: 1.5°C
The best month for swimming (with the highest average sea temperature) is August (23.2°C).
The coldest months (with the lowest average sea temperature) are February and March (0.3°C).
Average daylight in January /
Average sunshine in January
Sarnia, Canada
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Sarnia, Canada
- Average sunshine days in January: 12.1 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in January
Sarnia, Canada
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Sarnia, Canada
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Sarnia, Canada
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
