March Weather in Merrill, United States

Last updated: June 24, 2025

In March, the average temperature in Merrill, United States hovers around 5°C (41°F). During this month, temperatures can range from a chilling -10°C (15°F) to a pleasant 24°C (75°F). With an average precipitation of 64 mm (2.5 in) spread over 13 days, expect a fair share of rainy moments. The air carries a notable average humidity of 86%, adding to the month’s unique climate experience.

March Temperature in Merrill

In March in Merrill, the average temperature is 5°C (41°F), with maximums reaching up to 24°C (75°F) and minimums dipping as low as -10°C (15°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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 5°C (41°F), with highs reaching up to 24°C (75°F) and lows dropping to around -10°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 64 mm (2.5 in) spread over 13 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 64 mm (2.5 inches) of precipitation spread over approximately 13 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 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.

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 86%, 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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high 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	1°C (34°F)	65 mm (2.5 inches)	86%	moderate
February Weather	2°C (36°F)	73 mm (2.9 inches)	87%	moderate
March Weather	5°C (41°F)	64 mm (2.5 inches)	86%	high
April Weather	8°C (47°F)	46 mm (1.8 inches)	83%	very high
May Weather	13°C (56°F)	43 mm (1.7 inches)	72%	extreme
June Weather	18°C (65°F)	17 mm (0.7 inches)	67%	extreme
July Weather	23°C (74°F)	4 mm (0.2 inches)	56%	extreme
August Weather	22°C (72°F)	4 mm (0.2 inches)	42%	very high
September Weather	17°C (63°F)	17 mm (0.7 inches)	46%	very high
October Weather	10°C (50°F)	34 mm (1.3 inches)	67%	high
November Weather	4°C (40°F)	49 mm (1.9 inches)	86%	moderate
December Weather	0°C (33°F)	54 mm (2.1 inches)	86%	moderate