January Weather in Sioux Lookout, Canada

Last updated: June 18, 2025

In January, the average temperature in Sioux Lookout, Canada hovers around -15°C (5°F), with extremes ranging from a chilling -37°C (-34°F) to a mild 4°C (39°F). Expect about 25 mm (1.0 in) of precipitation over 6 days, accompanied by a high average humidity of 96%. Bundle up and prepare for frosty conditions!

January Temperature in Sioux Lookout

In January in Sioux Lookout, the average temperature is -15°C (5°F), with maximums reaching 4°C (39°F) and minimums plummeting to -37°C (-34°F). Travelers should be prepared for extremely cold conditions and dress accordingly.

January Weather in Sioux Lookout: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sioux Lookout, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sioux Lookout, January typically has an average temperature of -15°C (5°F), with highs reaching up to 4°C (39°F) and lows dropping to around -37°C (-34°F).

Data source: Temperature data for Sioux Lookout generated using information from the Copernicus Climate Change Service.

January Precipitation in Sioux Lookout

In Sioux Lookout in January, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

January Precipitation Trends in Sioux Lookout

The chart displays monthly precipitation patterns in Sioux Lookout, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sioux Lookout, January typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Sioux Lookout

In Sioux Lookout in January, humidity is 96%. With an average temperature of -15°C (5°F), this humidity feels like an eerie fog that clings to your skin, making every breath a sharp reminder of the biting cold, while travelers must navigate through a damp chill that seeps into their bones, forcing them to bundle up tightly against the relentless, frosty embrace.

January Average Humidity in Sioux Lookout

This chart illustrates the average monthly humidity levels in Sioux Lookout, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sioux Lookout is approximately 96%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sioux Lookout

In Sioux Lookout in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sioux Lookout, you can visit Hourly UV Index in Sioux Lookout.

Maximum UV Index Levels in Sioux Lookout for January

The chart shows the monthly maximum UV Index (UVI) for Sioux Lookout in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Sioux Lookout typically reaches 2, which falls under the low exposure category.

Data source: Sioux Lookout January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Sioux Lookout Compares to Other Months

Weather in Sioux Lookout varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sioux Lookout, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sioux Lookout, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-15°C (5°F)	25 mm (1.0 inches)	96%	low
February Weather	-15°C (4°F)	30 mm (1.2 inches)	96%	moderate
March Weather	-6°C (22°F)	25 mm (1.0 inches)	93%	moderate
April Weather	0°C (33°F)	46 mm (1.8 inches)	90%	high
May Weather	10°C (50°F)	63 mm (2.5 inches)	75%	very high
June Weather	17°C (64°F)	84 mm (3.3 inches)	66%	very high
July Weather	20°C (68°F)	104 mm (4.1 inches)	62%	very high
August Weather	18°C (65°F)	86 mm (3.4 inches)	67%	high
September Weather	12°C (54°F)	133 mm (5.2 inches)	73%	high
October Weather	5°C (41°F)	82 mm (3.2 inches)	82%	moderate
November Weather	-6°C (22°F)	40 mm (1.6 inches)	90%	low
December Weather	-12°C (10°F)	38 mm (1.5 inches)	96%	low