May Weather in Harbor, United States

Last updated: June 24, 2025

In Harbor, United States, the average temperature in May hovers around 13°C (55°F). Expect a minimum of 5°C (41°F) and a comfortable maximum of 27°C (80°F). During this time, precipitation totals about 68 mm (2.7 in) over 6 days, contributing to an average humidity level of 81%.

May Temperature in Harbor

In May in Harbor, the average temperature is 13°C (55°F). Maximums can reach 27°C (80°F), while minimums can drop as low as 5°C (41°F). This makes it an ideal time for travelers looking to enjoy mild weather and explore the area comfortably.

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

The chart illustrates May temperature patterns in Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harbor, May typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Harbor

In Harbor in May, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

May Precipitation Trends in Harbor

The chart displays monthly precipitation patterns in 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 Harbor, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 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 Harbor

In Harbor in May, humidity is 81%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making strolls outdoors feel heavy and slightly oppressive, which may be less than ideal for travelers looking to explore comfortably.

May Average Humidity in Harbor

This chart illustrates the average monthly humidity levels in 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 Harbor is approximately 81%, 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 Harbor

In Harbor in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Harbor.

Maximum UV Index Levels in Harbor for May

The chart shows the monthly maximum UV Index (UVI) for 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 Harbor typically reaches 10, which falls under the very high exposure category.

Data source: 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 Harbor Compares to Other Months

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

This table compares monthly weather conditions in Harbor, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	301 mm (11.8 inches)	86%	moderate
February Weather	9°C (48°F)	270 mm (10.6 inches)	85%	moderate
March Weather	9°C (48°F)	207 mm (8.1 inches)	85%	high
April Weather	11°C (52°F)	165 mm (6.5 inches)	82%	very high
May Weather	13°C (55°F)	68 mm (2.7 inches)	81%	very high
June Weather	16°C (61°F)	36 mm (1.4 inches)	79%	very high
July Weather	18°C (65°F)	1 mm (0.0 inches)	70%	very high
August Weather	19°C (66°F)	4 mm (0.2 inches)	60%	very high
September Weather	17°C (63°F)	59 mm (2.3 inches)	62%	very high
October Weather	14°C (58°F)	93 mm (3.7 inches)	72%	high
November Weather	11°C (53°F)	213 mm (8.4 inches)	87%	moderate
December Weather	9°C (49°F)	237 mm (9.3 inches)	86%	low