March Weather in Islesboro, United States

Last updated: June 24, 2025

In March, the average temperature in Islesboro, United States hovers around 0°C (33°F), with a minimum plunge of -15°C (5°F) and a maximum rise to 10°C (50°F). Expect a total precipitation of 89 mm (3.5 in) spread over 10 days, coupled with an average humidity of 85%. Be prepared for chilly and wet conditions!

March Temperature in Islesboro

In March in Islesboro, the average temperature is 0°C (33°F). The maximum can reach 10°C (50°F) and the minimum can be as low as -15°C (5°F). Be sure to pack warm clothing if you're traveling during this time!

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

The chart illustrates March temperature patterns in Islesboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Islesboro, March typically has an average temperature of 0°C (33°F), with highs reaching up to 10°C (50°F) and lows dropping to around -15°C (5°F).

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

March Precipitation in Islesboro

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

March Precipitation Trends in Islesboro

The chart displays monthly precipitation patterns in Islesboro, 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 Islesboro, 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 Islesboro

In Islesboro in March, humidity is 85%. With an average temperature of 0°C (33°F), this humidity feels like a heavy blanket, making the air feel colder and more biting, while creating an uncomfortable clamminess that can dampen the thrill of traveling.

March Average Humidity in Islesboro

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

In Islesboro 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 Islesboro.

Maximum UV Index Levels in Islesboro for March

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

Data source: Islesboro 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 Islesboro Compares to Other Months

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

This table compares monthly weather conditions in Islesboro, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	112 mm (4.4 inches)	88%	low
February Weather	-2°C (29°F)	108 mm (4.2 inches)	88%	moderate
March Weather	0°C (33°F)	89 mm (3.5 inches)	85%	moderate
April Weather	5°C (41°F)	169 mm (6.7 inches)	81%	high
May Weather	9°C (49°F)	114 mm (4.5 inches)	76%	very high
June Weather	14°C (58°F)	87 mm (3.4 inches)	74%	very high
July Weather	17°C (63°F)	100 mm (3.9 inches)	74%	very high
August Weather	18°C (65°F)	90 mm (3.5 inches)	74%	very high
September Weather	16°C (61°F)	99 mm (3.9 inches)	77%	high
October Weather	12°C (54°F)	169 mm (6.6 inches)	82%	moderate
November Weather	6°C (42°F)	145 mm (5.7 inches)	85%	moderate
December Weather	0°C (33°F)	160 mm (6.3 inches)	84%	low