May Weather in Blue Hill, United States

Last updated: June 24, 2025

In Blue Hill, United States, the average temperature in May hovers around 17°C (62°F). However, be prepared for a range, as temperatures can drop to a chilly 1°C (33°F) or soar up to a sweltering 35°C (96°F). This month also sees 181 mm (7.1 in) of precipitation spread over 14 days, contributing to an average humidity level of 80%. Whether you’re planning outdoor adventures or cozy indoor activities, the weather can certainly keep things interesting!

May Temperature in Blue Hill

In May in Blue Hill, the average temperature is 17°C (62°F). Maximum temperatures can reach 35°C (96°F), while minimum temperatures can drop to as low as 1°C (33°F). It's advisable to pack layers and be prepared for both warm and cool weather during your travels.

May Weather in Blue Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Blue Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blue Hill, May typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (33°F).

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

May Precipitation in Blue Hill

In Blue Hill in May, the precipitation amount is 181 mm (7.1 in) occurring over a span of 14 days.

May Precipitation Trends in Blue Hill

The chart displays monthly precipitation patterns in Blue Hill, 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 Blue Hill, May typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 14 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 Blue Hill

In Blue Hill in May, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

May Average Humidity in Blue Hill

This chart illustrates the average monthly humidity levels in Blue Hill, 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 Blue Hill is approximately 80%, 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 Blue Hill

In Blue Hill 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 Blue Hill.

Maximum UV Index Levels in Blue Hill for May

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

Data source: Blue Hill 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 Blue Hill Compares to Other Months

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

This table compares monthly weather conditions in Blue Hill, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	27 mm (1.0 inches)	73%	moderate
February Weather	-3°C (28°F)	19 mm (0.8 inches)	81%	moderate
March Weather	6°C (42°F)	84 mm (3.3 inches)	69%	high
April Weather	10°C (51°F)	47 mm (1.8 inches)	71%	very high
May Weather	17°C (62°F)	181 mm (7.1 inches)	80%	very high
June Weather	24°C (76°F)	71 mm (2.8 inches)	83%	extreme
July Weather	26°C (79°F)	71 mm (2.8 inches)	84%	extreme
August Weather	24°C (75°F)	83 mm (3.3 inches)	84%	very high
September Weather	21°C (70°F)	73 mm (2.9 inches)	77%	very high
October Weather	11°C (53°F)	74 mm (2.9 inches)	72%	high
November Weather	5°C (42°F)	20 mm (0.8 inches)	80%	moderate
December Weather	0°C (33°F)	39 mm (1.5 inches)	79%	moderate