May Weather in Dutch Harbor, United States

Last updated: June 24, 2025

In May, the average temperature in Dutch Harbor, United States hovers around 4°C (40°F), with minimal fluctuations between 0°C (32°F) and a maximum of 9°C (49°F). The region experiences considerable precipitation, totaling 88 mm (3.5 in) over approximately 20 days, contributing to an average humidity of 90%.

May Temperature in Dutch Harbor

In May in Dutch Harbor, the average temperature is 4°C (40°F). Maximum temperatures can reach 9°C (49°F), while the minimum can drop as low as 0°C (32°F). Be prepared for chilly weather if you're planning to visit during this time.

May Weather in Dutch Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Dutch Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dutch Harbor, May typically has an average temperature of 4°C (40°F), with highs reaching up to 9°C (49°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Dutch Harbor

In Dutch Harbor in May, the precipitation amount is 88 mm (3.5 in) over a period of 20 days.

May Precipitation Trends in Dutch Harbor

The chart displays monthly precipitation patterns in Dutch Harbor, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Dutch Harbor, May typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 20 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Dutch Harbor

In Dutch Harbor in May humidity is 90%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothes, making even short excursions outside seem uncomfortable and uninviting.

May Average Humidity in Dutch Harbor

This chart illustrates the average monthly humidity levels in Dutch Harbor, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Dutch Harbor is approximately 90%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Dutch Harbor

In Dutch Harbor in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dutch Harbor, you can refer to this Hourly UV Index in Dutch Harbor.

Maximum UV Index Levels in Dutch Harbor for May

The chart shows the monthly maximum UV Index (UVI) for Dutch Harbor in May, 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 May, the maximum UV index in Dutch Harbor typically reaches 6, which falls under the high exposure category.

Data source: Dutch Harbor May 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 May Weather in Dutch Harbor Compares to Other Months

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

This table compares monthly weather conditions in Dutch Harbor, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	90 mm (3.5 inches)	83%	low
February Weather	2°C (35°F)	119 mm (4.7 inches)	84%	low
March Weather	1°C (34°F)	80 mm (3.1 inches)	83%	moderate
April Weather	2°C (37°F)	78 mm (3.1 inches)	84%	moderate
May Weather	4°C (40°F)	88 mm (3.5 inches)	90%	high
June Weather	7°C (45°F)	83 mm (3.3 inches)	93%	high
July Weather	9°C (49°F)	58 mm (2.3 inches)	95%	very high
August Weather	10°C (51°F)	81 mm (3.2 inches)	92%	very high
September Weather	9°C (48°F)	106 mm (4.2 inches)	86%	moderate
October Weather	6°C (43°F)	141 mm (5.6 inches)	82%	moderate
November Weather	4°C (39°F)	119 mm (4.7 inches)	81%	low
December Weather	2°C (35°F)	154 mm (6.1 inches)	82%	low