March Weather in Monmouth, United States

Last updated: June 24, 2025

In March, the average temperature in Monmouth, United States hovers around 7°C (45°F). Expect a range from a chilly -4°C (24°F) to a pleasant 22°C (73°F). With 131 mm (5.2 in) of precipitation spread over 16 days, it's wise to prepare for some wet weather. The air will feel quite humid, with an average humidity level of 85%.

March Temperature in Monmouth

In March in Monmouth, the average temperature is 7°C (45°F). Maximum temperatures can reach 22°C (73°F), while minimums can dip as low as -4°C (24°F). Pack accordingly to enjoy a range of activities, from warm days to chilly nights!

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

The chart illustrates March temperature patterns in Monmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monmouth, March typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (73°F) and lows dropping to around -4°C (24°F).

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

March Precipitation in Monmouth

In Monmouth in March, the precipitation amount is 131 mm (5.2 in) during 16 days, indicating a relatively wet period for the region.

March Precipitation Trends in Monmouth

The chart displays monthly precipitation patterns in Monmouth, 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 Monmouth, March typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 16 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 Monmouth

In Monmouth in March, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

March Average Humidity in Monmouth

This chart illustrates the average monthly humidity levels in Monmouth, 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 Monmouth is approximately 85%, 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 Monmouth

In Monmouth in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Monmouth, you can refer to this Hourly UV Index in Monmouth.

Maximum UV Index Levels in Monmouth for March

The chart shows the monthly maximum UV Index (UVI) for Monmouth 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 Monmouth typically reaches 6, which falls under the high exposure category.

Data source: Monmouth 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 Monmouth Compares to Other Months

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

This table compares monthly weather conditions in Monmouth, 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 (42°F)	162 mm (6.4 inches)	85%	low
February Weather	5°C (41°F)	174 mm (6.9 inches)	84%	moderate
March Weather	7°C (45°F)	131 mm (5.2 inches)	85%	high
April Weather	10°C (50°F)	113 mm (4.5 inches)	83%	high
May Weather	13°C (56°F)	57 mm (2.3 inches)	83%	very high
June Weather	17°C (63°F)	44 mm (1.7 inches)	83%	very high
July Weather	20°C (68°F)	4 mm (0.1 inches)	82%	very high
August Weather	20°C (69°F)	6 mm (0.2 inches)	74%	very high
September Weather	17°C (63°F)	61 mm (2.4 inches)	71%	high
October Weather	11°C (53°F)	88 mm (3.5 inches)	81%	moderate
November Weather	8°C (46°F)	145 mm (5.7 inches)	87%	moderate
December Weather	5°C (41°F)	187 mm (7.4 inches)	87%	low