January Weather in Peterborough, Canada

Last updated: June 18, 2025

In January, the average temperature in Peterborough, Canada hovers around -6°C (21°F), with a minimum dipping as low as -30°C (-21°F) and reaching a maximum of 11°C (51°F). Expect around 67 mm (2.7 in) of precipitation spread over 10 days, while the average humidity remains high at 93%.

January Temperature in Peterborough

In January in Peterborough, the average temperature is -6°C (21°F). Maximum temperatures can reach 11°C (51°F), while the minimum can drop as low as -30°C (-21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for winter activities.

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

The chart illustrates January temperature patterns in Peterborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Peterborough, January typically has an average temperature of -6°C (21°F), with highs reaching up to 11°C (51°F) and lows dropping to around -30°C (-21°F).

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

January Precipitation in Peterborough

In Peterborough in January, the precipitation amount is 67 mm (2.7 in) over a span of 10 days.

January Precipitation Trends in Peterborough

The chart displays monthly precipitation patterns in Peterborough, 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 Peterborough, January typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 10 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 Peterborough

In Peterborough in January, humidity is 93%. With an average temperature of -6°C (21°F), this humidity feels like an icy mist that clings to your skin, making every breath feel crisp and challenging for outdoor exploration.

January Average Humidity in Peterborough

This chart illustrates the average monthly humidity levels in Peterborough, 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 Peterborough is approximately 93%, 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 Peterborough

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

Maximum UV Index Levels in Peterborough for January

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

Data source: Peterborough 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 Peterborough Compares to Other Months

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

This table compares monthly weather conditions in Peterborough, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	67 mm (2.7 inches)	93%	low
February Weather	-5°C (23°F)	72 mm (2.8 inches)	94%	moderate
March Weather	-1°C (31°F)	65 mm (2.6 inches)	87%	moderate
April Weather	6°C (42°F)	116 mm (4.6 inches)	82%	very high
May Weather	13°C (56°F)	105 mm (4.1 inches)	74%	very high
June Weather	19°C (66°F)	99 mm (3.9 inches)	68%	very high
July Weather	22°C (72°F)	93 mm (3.7 inches)	67%	very high
August Weather	21°C (69°F)	118 mm (4.6 inches)	67%	very high
September Weather	17°C (62°F)	82 mm (3.2 inches)	74%	high
October Weather	10°C (50°F)	110 mm (4.4 inches)	83%	moderate
November Weather	2°C (36°F)	85 mm (3.3 inches)	89%	moderate
December Weather	-3°C (27°F)	74 mm (2.9 inches)	91%	low