January Weather in Chatham, Canada

Last updated: June 18, 2025

In January, the average temperature in Chatham, Canada hovers around -3°C (28°F). Expect a chilly range, with minimums plummeting to -23°C (-10°F) and maximums reaching up to 12°C (54°F). The area experiences 67 mm (2.6 in) of precipitation over 9 days, resulting in an average humidity of 90%. Prepare for a damp and frosty month ahead!

January Temperature in Chatham

In January in Chatham, the average temperature is -3°C (28°F). Maximums can reach 12°C (54°F) and minimums can dip as low as -23°C (-10°F). It's essential to pack warm clothing if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Chatham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chatham, January typically has an average temperature of -3°C (28°F), with highs reaching up to 12°C (54°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Chatham

In Chatham in January, the total precipitation amount is 67 mm (2.6 in), occurring over a span of 9 days.

January Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, 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 Chatham, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 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 Chatham

In Chatham in January humidity is 90%. With an average temperature of -3°C (28°F), this humidity feels like an icy fog wrapping around you, making outdoor activities uncomfortable and potentially dangerous for traveling.

January Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, 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 Chatham is approximately 90%, 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 Chatham

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

Maximum UV Index Levels in Chatham for January

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

Data source: Chatham 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 Chatham Compares to Other Months

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

This table compares monthly weather conditions in Chatham, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	67 mm (2.6 inches)	90%	low
February Weather	-2°C (29°F)	69 mm (2.7 inches)	90%	moderate
March Weather	2°C (36°F)	71 mm (2.8 inches)	87%	moderate
April Weather	8°C (46°F)	96 mm (3.8 inches)	87%	very high
May Weather	14°C (58°F)	104 mm (4.1 inches)	82%	very high
June Weather	21°C (69°F)	96 mm (3.8 inches)	81%	very high
July Weather	23°C (74°F)	95 mm (3.8 inches)	79%	very high
August Weather	22°C (73°F)	83 mm (3.2 inches)	80%	very high
September Weather	19°C (66°F)	76 mm (3.0 inches)	81%	very high
October Weather	13°C (55°F)	108 mm (4.2 inches)	84%	high
November Weather	5°C (40°F)	80 mm (3.2 inches)	88%	moderate
December Weather	1°C (33°F)	64 mm (2.5 inches)	87%	low