March Weather in Merrill, United States

Last updated: June 24, 2025

In March, the average temperature in Merrill, United States hovers around -1°C (30°F), with extremes reaching a frosty -26°C (-15°F) at the low end and a mild 17°C (63°F) at the high end. During this month, expect about 49 mm (1.9 in) of precipitation spread over 8 days, accompanied by an average humidity level of 87%, creating a crisp and damp atmosphere.

March Temperature in Merrill

In March in Merrill, the weather can vary significantly, so it's important to prepare for a wide range of temperatures, from chilly lows to surprisingly mild highs for outdoor activities.

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

The chart illustrates March temperature patterns in Merrill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merrill, March typically has an average temperature of -1°C (30°F), with highs reaching up to 17°C (63°F) and lows dropping to around -26°C (-15°F).

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

March Precipitation in Merrill

In Merrill in March, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

March Precipitation Trends in Merrill

The chart displays monthly precipitation patterns in Merrill, 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 Merrill, March typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 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 Merrill

In Merrill in March, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.

March Average Humidity in Merrill

This chart illustrates the average monthly humidity levels in Merrill, 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 Merrill is approximately 87%, 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 Merrill

In Merrill 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 Merrill.

Maximum UV Index Levels in Merrill for March

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

Data source: Merrill 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 Merrill Compares to Other Months

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

This table compares monthly weather conditions in Merrill, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	32 mm (1.3 inches)	89%	low
February Weather	-9°C (16°F)	51 mm (2.0 inches)	90%	moderate
March Weather	-1°C (30°F)	49 mm (1.9 inches)	87%	moderate
April Weather	5°C (41°F)	98 mm (3.8 inches)	84%	high
May Weather	13°C (56°F)	100 mm (3.9 inches)	77%	very high
June Weather	19°C (66°F)	99 mm (3.9 inches)	75%	very high
July Weather	21°C (70°F)	119 mm (4.7 inches)	74%	very high
August Weather	19°C (67°F)	117 mm (4.6 inches)	73%	very high
September Weather	15°C (60°F)	85 mm (3.3 inches)	78%	high
October Weather	8°C (46°F)	116 mm (4.6 inches)	84%	moderate
November Weather	-1°C (31°F)	49 mm (1.9 inches)	89%	moderate
December Weather	-6°C (22°F)	53 mm (2.1 inches)	87%	low