March Weather in Altona, Canada

Last updated: June 18, 2025

In March, the average temperature in Altona, Canada hovers around a chilly -5°C (24°F), with extremes reaching as low as -29°C (-19°F) and soaring up to 21°C (71°F). Expect 19 mm (0.7 in) of precipitation spread across 4 days, while the air remains notably humid, with an average humidity of 88%.

March Temperature in Altona

In March in Altona, the average temperature is -5°C (24°F), with a maximum reaching 21°C (71°F) and a minimum that can drop as low as -29°C (-19°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly and mild conditions.

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

The chart illustrates March 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, March typically has an average temperature of -5°C (24°F), with highs reaching up to 21°C (71°F) and lows dropping to around -29°C (-19°F).

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

March Precipitation in Altona

In Altona in March, the precipitation amount is 19 mm (0.7 in) over the course of 4 days.

March Precipitation Trends in Altona

The chart displays monthly precipitation patterns in Altona, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Altona, March typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Altona

In Altona in March humidity is 88%. With an average temperature of -5°C (24°F), this humidity feels like a chilly fog enveloping you, making every breath feel heavy and damp, which can turn a simple stroll into a challenge as you navigate the colder air mixed with the moisture.

March Average Humidity in Altona

This chart illustrates the average monthly humidity levels in Altona, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Altona is approximately 88%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Altona

In Altona in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Altona.

Maximum UV Index Levels in Altona for March

The chart shows the monthly maximum UV Index (UVI) for Altona in March, 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 March, the maximum UV index in Altona typically reaches 5, which falls under the moderate exposure category.

Data source: Altona March 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 March 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 March’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 March’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