January Weather in Thorold, Canada

Last updated: June 18, 2025

In January, the average temperature in Thorold, Canada hovers around -2°C (29°F). While you may experience the chill of minima reaching -18°C (0°F), the warmth can occasionally peak at 12°C (54°F). Expect around 79 mm (3.1 in) of precipitation spread over 10 days, and prepare for an average humidity level of 91% that adds to the crisp winter atmosphere.

January Temperature in Thorold

In January in Thorold, the average temperature is -2°C (29°F). The maximum can reach 12°C (54°F), while the minimum can drop as low as -18°C (0°F). Travelers should be prepared for chilly conditions and pack warm clothing to fully enjoy their visit.

January Weather in Thorold: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Thorold, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thorold, January typically has an average temperature of -2°C (29°F), with highs reaching up to 12°C (54°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Thorold

In Thorold in January, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

January Precipitation Trends in Thorold

The chart displays monthly precipitation patterns in Thorold, 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 Thorold, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Thorold

In Thorold in January, humidity is 91%. With an average temperature of -2°C (29°F), this humidity feels like a chilling embrace that can quickly sap your energy, making outdoor adventures uncomfortable and dampening the joy of exploration.

January Average Humidity in Thorold

This chart illustrates the average monthly humidity levels in Thorold, 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 Thorold is approximately 91%, 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 Thorold

In Thorold 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 Thorold, you can visit Hourly UV Index in Thorold.

Maximum UV Index Levels in Thorold for January

The chart shows the monthly maximum UV Index (UVI) for Thorold 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 Thorold typically reaches 2, which falls under the low exposure category.

Data source: Thorold 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 Thorold Compares to Other Months

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

This table compares monthly weather conditions in Thorold, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	79 mm (3.1 inches)	91%	low
February Weather	-2°C (29°F)	85 mm (3.4 inches)	91%	moderate
March Weather	1°C (34°F)	77 mm (3.0 inches)	88%	moderate
April Weather	6°C (43°F)	118 mm (4.6 inches)	88%	very high
May Weather	12°C (54°F)	104 mm (4.1 inches)	82%	very high
June Weather	18°C (65°F)	84 mm (3.3 inches)	79%	very high
July Weather	22°C (73°F)	124 mm (4.9 inches)	77%	very high
August Weather	22°C (72°F)	85 mm (3.4 inches)	72%	very high
September Weather	19°C (66°F)	80 mm (3.2 inches)	76%	high
October Weather	13°C (56°F)	133 mm (5.2 inches)	83%	moderate
November Weather	6°C (42°F)	92 mm (3.6 inches)	88%	moderate
December Weather	1°C (35°F)	93 mm (3.7 inches)	87%	low