May Weather in Brunswick, United States

Last updated: June 24, 2025

In Brunswick, United States, the average temperature in May is a pleasant 22°C (72°F). However, be prepared for a range, as temperatures can dip to a minimum of 5°C (40°F) and soar up to a scorching 37°C (99°F). Precipitation is notable, with about 135 mm (5.3 in) expected over 11 days, contributing to an average humidity level of 81%.

May Temperature in Brunswick

In May in Brunswick, the average temperature is 22°C (72°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 5°C (40°F). This variety in temperatures makes it essential for travelers to be prepared for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Brunswick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brunswick, May typically has an average temperature of 22°C (72°F), with highs reaching up to 37°C (99°F) and lows dropping to around 5°C (40°F).

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

May Precipitation in Brunswick

In Brunswick in May, the precipitation amount is 135 mm (5.3 in) over the course of 11 days.

May Precipitation Trends in Brunswick

The chart displays monthly precipitation patterns in Brunswick, 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 Brunswick, May typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 11 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 Brunswick

In Brunswick in May, humidity is 81%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

May Average Humidity in Brunswick

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

In Brunswick in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Brunswick.

Maximum UV Index Levels in Brunswick for May

The chart shows the monthly maximum UV Index (UVI) for Brunswick 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 Brunswick typically reaches 11, which falls under the extreme exposure category.

Data source: Brunswick 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 Brunswick Compares to Other Months

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

This table compares monthly weather conditions in Brunswick, 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 (48°F)	76 mm (3.0 inches)	85%	moderate
February Weather	12°C (53°F)	87 mm (3.4 inches)	82%	high
March Weather	13°C (56°F)	65 mm (2.6 inches)	81%	very high
April Weather	18°C (64°F)	97 mm (3.8 inches)	80%	very high
May Weather	22°C (72°F)	135 mm (5.3 inches)	81%	extreme
June Weather	25°C (77°F)	158 mm (6.2 inches)	81%	extreme
July Weather	27°C (80°F)	159 mm (6.3 inches)	81%	extreme
August Weather	26°C (80°F)	203 mm (8.0 inches)	80%	very high
September Weather	24°C (76°F)	162 mm (6.4 inches)	79%	very high
October Weather	20°C (68°F)	61 mm (2.4 inches)	80%	very high
November Weather	13°C (55°F)	92 mm (3.6 inches)	85%	high
December Weather	10°C (51°F)	127 mm (5.0 inches)	86%	moderate