February Weather in Southwest Harbor, United States

Last updated: June 24, 2025

In Southwest Harbor, United States during the month of February, the average temperature hovers around -1°C (31°F). Expect chilly conditions with a minimum plunge to -14°C (6°F) and a maximum reaching 10°C (50°F). This period also sees 107 mm (4.2 in) of precipitation spread across 12 days, contributing to an average humidity of 88%. Stay warm and prepare for those damp days ahead!

February Temperature in Southwest Harbor

In February in Southwest Harbor, the average temperature is -1°C (31°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -14°C (6°F). Be sure to dress warmly and prepare for chilly conditions if you plan to travel during this time.

February Weather in Southwest Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Southwest Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Southwest Harbor, February typically has an average temperature of -1°C (31°F), with highs reaching up to 10°C (50°F) and lows dropping to around -14°C (6°F).

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

February Precipitation in Southwest Harbor

In Southwest Harbor in February, the precipitation amount is 107 mm (4.2 in) spread over 12 days.

February Precipitation Trends in Southwest Harbor

The chart displays monthly precipitation patterns in Southwest Harbor, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Southwest Harbor, February typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Southwest Harbor

In Southwest Harbor in February, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

February Average Humidity in Southwest Harbor

This chart illustrates the average monthly humidity levels in Southwest Harbor, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Southwest Harbor is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Southwest Harbor

In Southwest Harbor in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Southwest Harbor for better planning.

Maximum UV Index Levels in Southwest Harbor for February

The chart shows the monthly maximum UV Index (UVI) for Southwest Harbor in February, 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 February, the maximum UV index in Southwest Harbor typically reaches 4, which falls under the moderate exposure category.

Data source: Southwest Harbor February 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 February Weather in Southwest Harbor Compares to Other Months

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

This table compares monthly weather conditions in Southwest Harbor, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	113 mm (4.4 inches)	88%	low
February Weather	-1°C (31°F)	107 mm (4.2 inches)	88%	moderate
March Weather	1°C (34°F)	83 mm (3.3 inches)	85%	moderate
April Weather	5°C (41°F)	143 mm (5.6 inches)	81%	high
May Weather	8°C (48°F)	105 mm (4.1 inches)	76%	very high
June Weather	12°C (54°F)	95 mm (3.7 inches)	74%	very high
July Weather	15°C (59°F)	82 mm (3.2 inches)	74%	very high
August Weather	16°C (62°F)	87 mm (3.4 inches)	74%	very high
September Weather	15°C (59°F)	105 mm (4.2 inches)	77%	high
October Weather	12°C (54°F)	119 mm (4.7 inches)	82%	moderate
November Weather	6°C (44°F)	139 mm (5.5 inches)	85%	moderate
December Weather	1°C (35°F)	154 mm (6.1 inches)	84%	low