January Weather in Altona, Canada

Last updated: June 18, 2025

In January, the average temperature in Altona, Canada hovers around -13°C (9°F), with extremes ranging from a chilly -38°C (-36°F) to a mild 6°C (42°F). Expect 16 mm (0.6 in) of precipitation over 4 days, contributing to a high average humidity of 92%. Be prepared for the cold and make the most of this frosty season!

January Temperature in Altona

In January in Altona, the average temperature is -13°C (9°F), with maximums reaching 6°C (42°F) and minimums plummeting to as low as -38°C (-36°F). Be sure to pack warm clothing and prepare for extreme cold conditions if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Altona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altona, January typically has an average temperature of -13°C (9°F), with highs reaching up to 6°C (42°F) and lows dropping to around -38°C (-36°F).

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

January Precipitation in Altona

In Altona in January, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

January Precipitation Trends in Altona

The chart displays monthly precipitation patterns in Altona, 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 Altona, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 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 Altona

In Altona in January humidity is 92%. With an average temperature of -13°C (9°F), this humidity feels like a biting cold that penetrates through layers of clothing, making travel feel like a struggle against the elements.

January Average Humidity in Altona

This chart illustrates the average monthly humidity levels in Altona, 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 Altona is approximately 92%, 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 Altona

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

Maximum UV Index Levels in Altona for January

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

Data source: Altona 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 Altona Compares to Other Months

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

This table compares monthly weather conditions in Altona, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	16 mm (0.6 inches)	92%	low
February Weather	-15°C (6°F)	17 mm (0.7 inches)	90%	moderate
March Weather	-5°C (24°F)	19 mm (0.7 inches)	88%	moderate
April Weather	3°C (37°F)	25 mm (1.0 inches)	81%	high
May Weather	13°C (55°F)	46 mm (1.8 inches)	74%	very high
June Weather	20°C (67°F)	73 mm (2.9 inches)	72%	very high
July Weather	22°C (71°F)	59 mm (2.3 inches)	74%	very high
August Weather	20°C (68°F)	58 mm (2.3 inches)	76%	very high
September Weather	14°C (58°F)	78 mm (3.1 inches)	73%	high
October Weather	6°C (43°F)	72 mm (2.8 inches)	76%	moderate
November Weather	-4°C (25°F)	27 mm (1.1 inches)	86%	low
December Weather	-9°C (16°F)	27 mm (1.1 inches)	91%	low