May Weather in Rockland, United States

Last updated: June 24, 2025

In Rockland, United States, the average temperature in May hovers around 15°C (59°F). Temperatures can range from a chilly 0°C (32°F) to a sizzling 35°C (95°F). Be prepared for some wet days, as the region receives approximately 137 mm (5.4 in) of precipitation over 14 days. With an average humidity of 75%, it’s advisable to dress comfortably for the sticky weather!

May Temperature in Rockland

In May in Rockland, the average temperature is 15°C (59°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). It's advisable to pack for a range of temperatures to fully enjoy your travels during this time.

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

The chart illustrates May temperature patterns in Rockland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rockland, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Rockland

In Rockland in May, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

May Precipitation Trends in Rockland

The chart displays monthly precipitation patterns in Rockland, 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 Rockland, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Rockland

In Rockland in May, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

May Average Humidity in Rockland

This chart illustrates the average monthly humidity levels in Rockland, 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 Rockland is approximately 75%, 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 Rockland

In Rockland in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rockland.

Maximum UV Index Levels in Rockland for May

The chart shows the monthly maximum UV Index (UVI) for Rockland 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 Rockland typically reaches 9, which falls under the very high exposure category.

Data source: Rockland 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 Rockland Compares to Other Months

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

This table compares monthly weather conditions in Rockland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	36 mm (1.4 inches)	84%	low
February Weather	-6°C (21°F)	50 mm (2.0 inches)	85%	moderate
March Weather	2°C (35°F)	57 mm (2.2 inches)	84%	moderate
April Weather	7°C (45°F)	86 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	137 mm (5.4 inches)	75%	very high
June Weather	21°C (71°F)	125 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	100 mm (3.9 inches)	75%	very high
August Weather	21°C (70°F)	121 mm (4.8 inches)	69%	very high
September Weather	18°C (64°F)	105 mm (4.1 inches)	74%	high
October Weather	10°C (50°F)	114 mm (4.5 inches)	79%	moderate
November Weather	2°C (35°F)	51 mm (2.0 inches)	88%	moderate
December Weather	-3°C (27°F)	45 mm (1.8 inches)	82%	low