March Weather in Bangor, United States

Last updated: June 24, 2025

In March, the average temperature in Bangor, United States hovers around -1°C (31°F), with a minimum reaching as low as -21°C (-5°F) and a maximum of 18°C (65°F). Expect approximately 70 mm (2.7 in) of precipitation distributed over 9 days, coupled with a high average humidity of 85%. Be prepared for chilly and damp conditions!

March Temperature in Bangor

In March in Bangor, the average temperature is -1°C (31°F), with a maximum reaching 18°C (65°F) and a minimum dropping as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures, from mild days to very cold nights, making it essential to dress in layers.

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

The chart illustrates March temperature patterns in Bangor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bangor, March typically has an average temperature of -1°C (31°F), with highs reaching up to 18°C (65°F) and lows dropping to around -21°C (-5°F).

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

March Precipitation in Bangor

In Bangor in March, the precipitation amount is 70 mm (2.7 in) over the course of 9 days.

March Precipitation Trends in Bangor

The chart displays monthly precipitation patterns in Bangor, 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 Bangor, March typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 9 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 Bangor

In Bangor in March, humidity is 85%. With an average temperature of -1°C (31°F), this humidity feels like an uncomfortable chill that makes any outdoor travel feel damp and biting, penetrating through layers of clothing and making each breath feel cold and heavy.

March Average Humidity in Bangor

This chart illustrates the average monthly humidity levels in Bangor, 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 Bangor 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 Bangor

In Bangor 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 Bangor.

Maximum UV Index Levels in Bangor for March

The chart shows the monthly maximum UV Index (UVI) for Bangor 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 Bangor typically reaches 5, which falls under the moderate exposure category.

Data source: Bangor 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 Bangor Compares to Other Months

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

This table compares monthly weather conditions in Bangor, 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 (23°F)	90 mm (3.5 inches)	88%	low
February Weather	-4°C (24°F)	82 mm (3.2 inches)	88%	moderate
March Weather	-1°C (31°F)	70 mm (2.7 inches)	85%	moderate
April Weather	6°C (43°F)	124 mm (4.9 inches)	81%	high
May Weather	12°C (54°F)	93 mm (3.7 inches)	76%	very high
June Weather	18°C (64°F)	84 mm (3.3 inches)	74%	very high
July Weather	21°C (69°F)	93 mm (3.7 inches)	74%	very high
August Weather	20°C (69°F)	71 mm (2.8 inches)	74%	very high
September Weather	16°C (62°F)	72 mm (2.8 inches)	77%	high
October Weather	10°C (50°F)	115 mm (4.5 inches)	82%	moderate
November Weather	3°C (37°F)	116 mm (4.6 inches)	85%	moderate
December Weather	-3°C (27°F)	119 mm (4.7 inches)	84%	low