January weather forecastOshawa, Canada

January

Weather in January

Bracing, cold conditions typically mark the onset of the New Year in Oshawa. January weather features low temperatures, typically falling to a chilly -8.3°C (17.1°F), coupled with a relative humidity of 86%. Snowfall is common, with a majestic white blanket often covering the city. Persistent winter winds make outings slightly challenging, while inhabitants can enjoy approximately nine hours of daylight.

Temperature

January is the month when Oshawa, Canada, experiences its coldest temperatures, averaging a high of -2.9°C (26.8°F) and a low of -8.3°C (17.1°F).

Humidity

January and February, with an average relative humidity of 86%, are the most humid months.

Rainfall

In January, the rain falls for 8.2 days. Throughout January, 53mm (2.09") of precipitation is accumulated. Throughout the year, in Oshawa, 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 Oshawa, during January, snow falls for 13.8 days and regularly aggregates up to 90mm (3.54") of snow. Throughout the year, there are 51.4 snowfall days, and 383mm (15.08") of snow is accumulated.

Sea temperature

In January, the average sea temperature in Oshawa, Canada, is 2.8°C (37°F).
Note: In swimming scenarios, this is an immediate danger to life. Breathing becomes uncontrollable instantly, obstructing any form of clear thinking. A specialized swimsuit is indispensable to lessen thermal leakage.

Daylight

In Oshawa, the average length of the day in January is 9h and 21min.
On the first day of the month, sunrise is at 7:49 am and sunset at 4:48 pm. On the last day of January, in Oshawa, sunrise is at 7:33 am and sunset at 5:23 pm EST.

Sunshine

January has the least sunshine of the year in Oshawa, with an average of 3h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Oshawa. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 1 during January translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Oshawa, January registers the lowest temperatures, averaging -2.9°C (26.8°F) at the peak and -8.3°C (17.1°F) at the lowest.

January temperatures in Oshawa, Canada, vary between a high-temperature of -2.9°C (26.8°F) and a low-temperature of -8.3°C (17.1°F).

The months with the highest humidity in Oshawa are January and February, with an average relative humidity of 86%.

In January, the average relative humidity in Oshawa, Canada, is 86%.

In Oshawa, Canada, in January, during 8.2 rainfall days, 53mm (2.09") of precipitation is typically accumulated.

In Oshawa, Canada, in January, during 13.8 snowfall days, 90mm (3.54") of snow is typically accumulated.

In Oshawa, Canada, the average seawater temperature in January is 2.8°C (37°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

In January, the average day length in Oshawa, Canada, is 9h and 21min.

In January, on the first day of the month, sunrise is at 7:49 am and sunset at 4:48 pm. On the last day of the month, in Oshawa, Canada, sunrise is at 7:33 am and sunset at 5:23 pm EST.

January has the least sunshine of the year in Oshawa, Canada, with an average of 3h of sunshine.

In January, the average sunshine duration in Oshawa, Canada, is 3h.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

0.5°C

-2.9°C

-2.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

19.1km/h

19.9km/h

19.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

9.1

13.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

13.3

12.2

11.5

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Oshawa, 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
Oshawa, 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
Oshawa, 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
Oshawa, 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
Oshawa, 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
Oshawa, 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
Oshawa, 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
Oshawa, 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 sea temperature in January
Oshawa, Canada

Average sea temperature in January: 2.8°C

The best month for swimming (with the highest average sea temperature) is August (22.4°C).
The coldest month (with the lowest average sea temperature) is March (2.3°C).

Average daylight in January /
Average sunshine in January
Oshawa, 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: 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).