August Weather in Harlem, United States

Last updated: June 24, 2025

In Harlem, United States, the average temperature in August hovers around 27°C (81°F), with a range that can dip to a cool 17°C (63°F) and peak at a sizzling 37°C (99°F). Expect about 125 mm (4.9 in) of precipitation spread over 15 days, contributing to a humidity level of 81% that adds to the tropical atmosphere.

August Temperature in Harlem

In August in Harlem, the average temperature is 27°C (81°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 17°C (63°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates August 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, August typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).

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

August Precipitation in Harlem

In Harlem in August, the precipitation amount is 125 mm (4.9 in) over a span of 15 days.

August Precipitation Trends in Harlem

The chart displays monthly precipitation patterns in Harlem, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Harlem, August typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Harlem

In Harlem in August humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

August Average Humidity in Harlem

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

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

August UV Index in Harlem

In Harlem in August, 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 Harlem.

Maximum UV Index Levels in Harlem for August

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

Data source: Harlem August 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 August 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 August’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 August’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