February Weather in South Portland, United States

Last updated: June 24, 2025

In February, the average temperature in South Portland, United States hovers around -2°C (29°F), with extremes ranging from a chilly -17°C (2°F) to a mild 14°C (57°F). This month sees 103 mm (4.1 in) of precipitation spread over about 10 days, contributing to an overall average humidity of 84%. Whether you’re bundling up or enjoying the rare warmer spell, be prepared for a mix of winter weather!

February Temperature in South Portland

In February in South Portland, the average temperature is -2°C (29°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, while enjoying the scenic winter landscape.

February Weather in South Portland: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in South Portland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Portland, February typically has an average temperature of -2°C (29°F), with highs reaching up to 14°C (57°F) and lows dropping to around -17°C (2°F).

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

February Precipitation in South Portland

In South Portland in February, the precipitation amount is 103 mm (4.1 in) over a span of 10 days.

February Precipitation Trends in South Portland

The chart displays monthly precipitation patterns in South Portland, 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 South Portland, February typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 10 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 South Portland

In South Portland in February, humidity is 84%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket that clings to your skin, making it difficult to stay warm and comfortable while traveling.

February Average Humidity in South Portland

This chart illustrates the average monthly humidity levels in South Portland, 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 South Portland is approximately 84%, 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 South Portland

In South Portland 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 South Portland for better planning.

Maximum UV Index Levels in South Portland for February

The chart shows the monthly maximum UV Index (UVI) for South Portland 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 South Portland typically reaches 4, which falls under the moderate exposure category.

Data source: South Portland 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 South Portland Compares to Other Months

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

This table compares monthly weather conditions in South Portland, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	97 mm (3.8 inches)	86%	low
February Weather	-2°C (29°F)	103 mm (4.1 inches)	84%	moderate
March Weather	1°C (34°F)	91 mm (3.6 inches)	82%	moderate
April Weather	6°C (43°F)	149 mm (5.9 inches)	80%	high
May Weather	11°C (52°F)	94 mm (3.7 inches)	72%	very high
June Weather	17°C (62°F)	80 mm (3.2 inches)	72%	very high
July Weather	20°C (68°F)	123 mm (4.9 inches)	67%	very high
August Weather	20°C (69°F)	75 mm (3.0 inches)	66%	very high
September Weather	17°C (63°F)	77 mm (3.0 inches)	71%	high
October Weather	12°C (54°F)	163 mm (6.4 inches)	78%	moderate
November Weather	5°C (42°F)	130 mm (5.1 inches)	84%	moderate
December Weather	0°C (33°F)	144 mm (5.7 inches)	81%	low