March Weather in Mason City, United States

Last updated: June 24, 2025

In March, the average temperature in Mason City, United States hovers around 1°C (35°F), with lows plummeting to -25°C (-12°F) and highs reaching up to 22°C (72°F). During this time, expect about 71 mm (2.8 in) of precipitation spread over 9 days, coupled with an average humidity of 80%. Prepare accordingly for a chilly and potentially wet month!

March Temperature in Mason City

In March in Mason City, the average temperature is 1°C (35°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their stay.

March Weather in Mason City: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mason City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mason City, March typically has an average temperature of 1°C (35°F), with highs reaching up to 22°C (72°F) and lows dropping to around -25°C (-12°F).

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

March Precipitation in Mason City

In Mason City in March, the precipitation amount is 71 mm (2.8 in) spread over 9 days.

March Precipitation Trends in Mason City

The chart displays monthly precipitation patterns in Mason City, 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 Mason City, March typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Mason City

In Mason City in March, humidity is 80%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp embrace that makes traveling quite uncomfortable, as it seeps into your clothes and makes the air feel heavier, making it hard to stay warm and dry while exploring.

March Average Humidity in Mason City

This chart illustrates the average monthly humidity levels in Mason City, 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 Mason City is approximately 80%, 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 Mason City

In Mason City 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 Mason City.

Maximum UV Index Levels in Mason City for March

The chart shows the monthly maximum UV Index (UVI) for Mason City 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 Mason City typically reaches 5, which falls under the moderate exposure category.

Data source: Mason City 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 Mason City Compares to Other Months

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

This table compares monthly weather conditions in Mason City, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.9 inches)	84%	moderate
March Weather	1°C (35°F)	71 mm (2.8 inches)	80%	moderate
April Weather	7°C (45°F)	80 mm (3.1 inches)	81%	very high
May Weather	15°C (60°F)	159 mm (6.3 inches)	74%	very high
June Weather	22°C (72°F)	132 mm (5.2 inches)	80%	extreme
July Weather	23°C (74°F)	98 mm (3.8 inches)	80%	very high
August Weather	21°C (71°F)	118 mm (4.7 inches)	77%	very high
September Weather	18°C (65°F)	108 mm (4.2 inches)	75%	very high
October Weather	10°C (49°F)	112 mm (4.4 inches)	80%	moderate
November Weather	1°C (35°F)	49 mm (1.9 inches)	87%	moderate
December Weather	-3°C (27°F)	35 mm (1.4 inches)	83%	moderate