February Weather in Unalaska, United States

Last updated: June 24, 2025

In February, the average temperature in Unalaska, United States hovers around 1°C (33°F). Expect chilly conditions with a minimum temperature of -13°C (10°F) and a maximum of 6°C (43°F). During this time, precipitation is notable, averaging 157 mm (6.2 in) over 20 days, contributing to an average humidity of 84%. Be prepared for a damp and brisk atmosphere!

February Temperature in Unalaska

In February in Unalaska, the average temperature is 1°C (33°F), with maximums reaching 6°C (43°F) and minimums dropping as low as -13°C (10°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their visit.

February Weather in Unalaska: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Unalaska, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Unalaska, February typically has an average temperature of 1°C (33°F), with highs reaching up to 6°C (43°F) and lows dropping to around -13°C (10°F).

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

February Precipitation in Unalaska

In Unalaska in February, the precipitation amount is 157 mm (6.2 in) spread over 20 days.

February Precipitation Trends in Unalaska

The chart displays monthly precipitation patterns in Unalaska, 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 Unalaska, February typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 20 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 Unalaska

In Unalaska in February humidity is 84%. With an average temperature of 1°C (33°F), this humidity feels like an icy blanket, making travel uncomfortable and breathless as the frigid air clings to your skin and dampens your clothes.

February Average Humidity in Unalaska

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

In Unalaska in February, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Unalaska, you can visit Hourly UV Index in Unalaska.

Maximum UV Index Levels in Unalaska for February

The chart shows the monthly maximum UV Index (UVI) for Unalaska 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 Unalaska typically reaches 2, which falls under the low exposure category.

Data source: Unalaska 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 Unalaska Compares to Other Months

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

This table compares monthly weather conditions in Unalaska, 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)	95 mm (3.8 inches)	83%	low
February Weather	1°C (33°F)	157 mm (6.2 inches)	84%	low
March Weather	0°C (32°F)	92 mm (3.6 inches)	83%	moderate
April Weather	2°C (35°F)	99 mm (3.9 inches)	84%	moderate
May Weather	4°C (40°F)	115 mm (4.5 inches)	90%	high
June Weather	7°C (46°F)	100 mm (3.9 inches)	93%	high
July Weather	10°C (50°F)	65 mm (2.6 inches)	95%	very high
August Weather	11°C (51°F)	89 mm (3.5 inches)	92%	very high
September Weather	9°C (48°F)	117 mm (4.6 inches)	86%	moderate
October Weather	5°C (42°F)	147 mm (5.8 inches)	82%	moderate
November Weather	2°C (37°F)	113 mm (4.5 inches)	81%	low
December Weather	0°C (32°F)	157 mm (6.2 inches)	82%	low