March Weather in Onawa, United States

Last updated: June 24, 2025

In March, the average temperature in Onawa, United States hovers around 4°C (40°F), with extremes ranging from a frigid -21°C (-5°F) to a balmy 25°C (77°F). Expect around 83 mm (3.3 in) of precipitation spread over 9 days, contributing to an average humidity of 73% that can make the air feel quite crisp. Stay prepared for a mix of chilly days and occasional warmth!

March Temperature in Onawa

In March in Onawa, the average temperature is 4°C (40°F), with maximums reaching 25°C (77°F) and minimums plummeting to -21°C (-5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warmth and chill.

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

The chart illustrates March temperature patterns in Onawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onawa, March typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -21°C (-5°F).

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

March Precipitation in Onawa

In Onawa in March, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.

March Precipitation Trends in Onawa

The chart displays monthly precipitation patterns in Onawa, 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 Onawa, March typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 9 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 Onawa

In Onawa in March humidity is 73%. With an average temperature of 4°C (40°F), this humidity feels like a chilly mist clinging to your skin, making travel feel damp and invigorating, yet slightly uncomfortable.

March Average Humidity in Onawa

This chart illustrates the average monthly humidity levels in Onawa, 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 Onawa is approximately 73%, 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 Onawa

In Onawa 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 Onawa.

Maximum UV Index Levels in Onawa for March

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

Data source: Onawa 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 Onawa Compares to Other Months

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

This table compares monthly weather conditions in Onawa, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	27 mm (1.1 inches)	76%	moderate
February Weather	-5°C (24°F)	33 mm (1.3 inches)	80%	moderate
March Weather	4°C (40°F)	83 mm (3.3 inches)	73%	moderate
April Weather	9°C (49°F)	71 mm (2.8 inches)	74%	very high
May Weather	16°C (62°F)	142 mm (5.6 inches)	78%	very high
June Weather	24°C (75°F)	114 mm (4.5 inches)	82%	extreme
July Weather	25°C (77°F)	64 mm (2.5 inches)	83%	very high
August Weather	23°C (74°F)	110 mm (4.3 inches)	80%	very high
September Weather	20°C (69°F)	91 mm (3.6 inches)	75%	very high
October Weather	11°C (52°F)	94 mm (3.7 inches)	75%	high
November Weather	4°C (39°F)	29 mm (1.1 inches)	82%	moderate
December Weather	-1°C (30°F)	40 mm (1.6 inches)	83%	low