October Weather in Harlem, United States

Last updated: June 24, 2025

In October, the average temperature in Harlem, United States reaches a pleasant 27°C (80°F). Visitors can expect temperatures that may dip to a minimum of 12°C (54°F) and soar to a maximum of 33°C (91°F). Be prepared for some wet days, as the region experiences an average precipitation amount of 119 mm (4.7 in) over approximately 15 days. With an average humidity of 83%, the air can feel quite lush and tropical.

October Temperature in Harlem

In October in Harlem, the average temperature is 27°C (80°F). Maximums can reach 33°C (91°F), and minimums can be as low as 12°C (54°F). This pleasant climate makes Harlem an ideal destination for travelers looking to enjoy warm weather while having the option to experience cooler evenings.

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

The chart illustrates October 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, October typically has an average temperature of 27°C (80°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (54°F).

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

October Precipitation in Harlem

In Harlem in October, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

October Precipitation Trends in Harlem

The chart displays monthly precipitation patterns in Harlem, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Harlem, October typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Harlem

In Harlem in October, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

October Average Humidity in Harlem

This chart illustrates the average monthly humidity levels in Harlem, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Harlem is approximately 83%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Harlem

In Harlem in October, 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 October

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

Data source: Harlem October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	33 mm (1.3 inches)	83%	high
February Weather	22°C (71°F)	36 mm (1.4 inches)	80%	very high
March Weather	22°C (72°F)	21 mm (0.8 inches)	75%	very high
April Weather	25°C (77°F)	57 mm (2.2 inches)	68%	extreme
May Weather	26°C (80°F)	146 mm (5.8 inches)	65%	extreme
June Weather	28°C (82°F)	243 mm (9.6 inches)	73%	extreme
July Weather	28°C (83°F)	211 mm (8.3 inches)	77%	extreme
August Weather	28°C (83°F)	262 mm (10.3 inches)	80%	extreme
September Weather	28°C (83°F)	200 mm (7.9 inches)	83%	extreme
October Weather	27°C (80°F)	119 mm (4.7 inches)	83%	very high
November Weather	23°C (74°F)	43 mm (1.7 inches)	83%	high
December Weather	20°C (69°F)	35 mm (1.4 inches)	84%	moderate