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March Weather in Merrill, United States

Last updated: June 24, 2025

In March, the average temperature in Merrill, United States hovers around 2°C (35°F). Expect a minimum of -20°C (-3°F) and a maximum of 22°C (73°F). This month sees approximately 59 mm (2.3 in) of precipitation spread over 9 days, with an average humidity of 85%, making it a brisk yet captivating time to experience the region.

March Temperature in Merrill

In March in Merrill, the average temperature is 2°C (35°F). Maximums can reach 22°C (73°F), while minimums can dip as low as -20°C (-3°F). Pack accordingly and be prepared for a wide range of temperatures during your visit.

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 2°C (35°F), with highs reaching up to 22°C (73°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec242535455969747164523731
Data source: Temperature data for Merrill generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Merrill

In Merrill in March, the precipitation amount is 59 mm (2.3 in) over the course of 9 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 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec565959861141147086961175962
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Merrill

In Merrill in March humidity is 85%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that permeates your clothing, making travel uncomfortable and requiring extra layers to stay warm and dry.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)55 mm (2.2 inches)88%low
February Weather-4°C (26°F)59 mm (2.3 inches)87%moderate
March Weather2°C (35°F)59 mm (2.3 inches)85%moderate
April Weather7°C (46°F)86 mm (3.4 inches)86%very high
May Weather15°C (59°F)114 mm (4.5 inches)80%very high
June Weather20°C (69°F)114 mm (4.5 inches)80%very high
July Weather23°C (74°F)70 mm (2.7 inches)80%very high
August Weather22°C (71°F)86 mm (3.4 inches)80%very high
September Weather18°C (64°F)96 mm (3.8 inches)80%high
October Weather11°C (52°F)117 mm (4.6 inches)84%moderate
November Weather3°C (38°F)59 mm (2.3 inches)89%moderate
December Weather-1°C (31°F)61 mm (2.4 inches)86%low

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