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March Weather in Monmouth, United States

Last updated: June 24, 2025

In March, the average temperature in Monmouth, United States hovers around 0°C (32°F), with extremes ranging from a chilly -19°C (-2°F) to a mild 18°C (64°F). During this time, you can expect precipitation totaling 72 mm (2.8 in) over approximately 9 days, while the air maintains a high humidity level of 85%.

March Temperature in Monmouth

In March in Monmouth, the average temperature is 0°C (32°F). The maximum can reach 18°C (64°F), and the minimum can be as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures, ensuring to pack both warm layers and lightweight clothing for the changing weather conditions.

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 0°C (32°F), with highs reaching up to 18°C (64°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec232531435565707062513727
Data source: Temperature data for Monmouth 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 Monmouth

In Monmouth in March, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

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 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec82847211879671178573128107114
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Monmouth

In Monmouth in March, humidity is 85%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your clothes, making every step feel more arduous and the air heavy, which can dampen the enthusiasm for exploring the surroundings.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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 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 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
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.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)82 mm (3.2 inches)91%low
February Weather-4°C (25°F)84 mm (3.3 inches)89%moderate
March Weather0°C (32°F)72 mm (2.8 inches)85%moderate
April Weather6°C (44°F)118 mm (4.6 inches)84%very high
May Weather13°C (55°F)79 mm (3.1 inches)78%very high
June Weather18°C (65°F)67 mm (2.6 inches)72%very high
July Weather21°C (71°F)117 mm (4.6 inches)75%very high
August Weather21°C (70°F)85 mm (3.3 inches)74%very high
September Weather17°C (63°F)73 mm (2.9 inches)77%high
October Weather11°C (52°F)128 mm (5.1 inches)85%moderate
November Weather3°C (38°F)107 mm (4.2 inches)86%moderate
December Weather-3°C (27°F)114 mm (4.5 inches)85%low

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