March Weather in Merced, United States

Last updated: June 24, 2025

In March, the average temperature in Merced, United States is a pleasant 14°C (57°F). Expect a range that can dip to a chilly 2°C (36°F) and soar to a warm 32°C (89°F). Throughout the month, precipitation is typically around 89 mm (3.5 in), spread over about 10 days, and the average humidity lingers at a high 82%.

March Temperature in Merced

In March, in Merced, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as 2°C (36°F). It’s advisable to pack layers to accommodate both warm and cool conditions for your travels.

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

The chart illustrates March temperature patterns in Merced, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merced, March typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (36°F).

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

March Precipitation in Merced

In Merced in March, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

March Precipitation Trends in Merced

The chart displays monthly precipitation patterns in Merced, 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 Merced, March typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 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 Merced

In Merced in March, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

March Average Humidity in Merced

This chart illustrates the average monthly humidity levels in Merced, 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 Merced is approximately 82%, 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 Merced

In Merced in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Merced.

Maximum UV Index Levels in Merced for March

The chart shows the monthly maximum UV Index (UVI) for Merced 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 Merced typically reaches 8, which falls under the very high exposure category.

Data source: Merced 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 Merced Compares to Other Months

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

This table compares monthly weather conditions in Merced, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	96 mm (3.8 inches)	82%	moderate
February Weather	12°C (53°F)	73 mm (2.9 inches)	84%	moderate
March Weather	14°C (57°F)	89 mm (3.5 inches)	82%	very high
April Weather	18°C (65°F)	28 mm (1.1 inches)	78%	very high
May Weather	22°C (72°F)	23 mm (0.9 inches)	71%	very high
June Weather	27°C (81°F)	1 mm (0.0 inches)	64%	extreme
July Weather	30°C (86°F)	0 mm (0.0 inches)	58%	extreme
August Weather	29°C (84°F)	0 mm (0.0 inches)	54%	very high
September Weather	26°C (78°F)	0 mm (0.0 inches)	55%	very high
October Weather	19°C (67°F)	17 mm (0.7 inches)	62%	high
November Weather	14°C (57°F)	31 mm (1.2 inches)	78%	moderate
December Weather	10°C (50°F)	83 mm (3.3 inches)	80%	moderate