March Weather in Harlem, United States

Last updated: June 24, 2025

In March, the average temperature in Harlem, United States hovers around 15°C (59°F). However, be prepared for a range of temperatures, with a minimum dipping to -5°C (24°F) and a maximum soaring to 31°C (88°F). During this month, expect 82 mm (3.2 in) of precipitation spread over 11 days, contributing to an average humidity level of 81%.

March Temperature in Harlem

In March in Harlem, the average temperature is 15°C (59°F). The maximum can reach 31°C (88°F), and the minimum can be as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

March Weather in Harlem: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Harlem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harlem, March typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -5°C (24°F).

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

March Precipitation in Harlem

In Harlem in March, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.

March Precipitation Trends in Harlem

The chart displays monthly precipitation patterns in Harlem, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Harlem, March typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Harlem

In Harlem in March humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

March Average Humidity in Harlem

This chart illustrates the average monthly humidity levels in Harlem, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Harlem is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Harlem

In Harlem in March, 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 Harlem.

Maximum UV Index Levels in Harlem for March

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

Data source: Harlem March 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 March Weather in Harlem Compares to Other Months

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

This table compares monthly weather conditions in Harlem, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	87 mm (3.4 inches)	86%	moderate
February Weather	12°C (54°F)	118 mm (4.6 inches)	81%	high
March Weather	15°C (59°F)	82 mm (3.2 inches)	81%	very high
April Weather	19°C (66°F)	106 mm (4.2 inches)	79%	very high
May Weather	23°C (74°F)	106 mm (4.2 inches)	75%	extreme
June Weather	26°C (79°F)	109 mm (4.3 inches)	75%	extreme
July Weather	28°C (82°F)	113 mm (4.4 inches)	80%	extreme
August Weather	27°C (81°F)	125 mm (4.9 inches)	81%	very high
September Weather	25°C (78°F)	81 mm (3.2 inches)	83%	very high
October Weather	21°C (70°F)	91 mm (3.6 inches)	78%	very high
November Weather	13°C (56°F)	69 mm (2.7 inches)	85%	high
December Weather	11°C (51°F)	117 mm (4.6 inches)	87%	moderate