May Weather in Manhattan, United States

Last updated: June 24, 2025

In May, the average temperature in Manhattan, United States hovers around 9°C (49°F). Expect a minimum dip to -7°C (19°F), while the mercury can soar to a maximum of 26°C (80°F). With 82 mm (3.2 in) of precipitation spread over 15 days, the air is often humid, boasting an average humidity of 79%.

May Temperature in Manhattan

In May in Manhattan, the average temperature is 9°C (49°F), with maximums reaching 26°C (80°F) and minimums dipping as low as -7°C (19°F). Be prepared for a wide range of temperatures during your travels, making it essential to pack accordingly.

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

The chart illustrates May temperature patterns in Manhattan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manhattan, May typically has an average temperature of 9°C (49°F), with highs reaching up to 26°C (80°F) and lows dropping to around -7°C (19°F).

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

May Precipitation in Manhattan

In Manhattan in May, the precipitation amount is 82 mm (3.2 in) over the course of 15 days.

May Precipitation Trends in Manhattan

The chart displays monthly precipitation patterns in Manhattan, 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 Manhattan, May typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 15 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 Manhattan

In Manhattan in May humidity is 79%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and carrying a light raincoat for a comfortable travel experience.

May Average Humidity in Manhattan

This chart illustrates the average monthly humidity levels in Manhattan, 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 Manhattan is approximately 79%, 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 Manhattan

In Manhattan 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 Manhattan.

Maximum UV Index Levels in Manhattan for May

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

Data source: Manhattan 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 Manhattan Compares to Other Months

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

This table compares monthly weather conditions in Manhattan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	24 mm (0.9 inches)	93%	moderate
February Weather	-7°C (19°F)	50 mm (2.0 inches)	92%	moderate
March Weather	0°C (31°F)	36 mm (1.4 inches)	89%	high
April Weather	3°C (38°F)	70 mm (2.8 inches)	83%	very high
May Weather	9°C (49°F)	82 mm (3.2 inches)	79%	extreme
June Weather	15°C (60°F)	86 mm (3.4 inches)	76%	extreme
July Weather	20°C (68°F)	26 mm (1.0 inches)	74%	very high
August Weather	19°C (66°F)	34 mm (1.3 inches)	69%	very high
September Weather	14°C (57°F)	47 mm (1.8 inches)	67%	very high
October Weather	4°C (40°F)	52 mm (2.0 inches)	72%	high
November Weather	-1°C (31°F)	37 mm (1.5 inches)	89%	moderate
December Weather	-5°C (23°F)	30 mm (1.2 inches)	94%	low