October Weather in Harlem, United States

Last updated: June 24, 2025

Average temperatures in Harlem, United States for October hover around 6°C (44°F), with the possibility of extremes ranging from a chilly -13°C (9°F) to a balmy 31°C (87°F). During this month, you can expect about 24 mm (0.9 in) of precipitation spread over approximately 6 days, accompanied by an average humidity level of 68%.

October Temperature in Harlem

In October in Harlem, the average temperature is 6°C (44°F). Maximum temperatures can reach 31°C (87°F), while the minimum can drop as low as -13°C (9°F). Be prepared for a wide range of weather conditions during your travels!

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 6°C (44°F), with highs reaching up to 31°C (87°F) and lows dropping to around -13°C (9°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 total precipitation amount is 24 mm (0.9 in) over a span of 6 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 24 mm (0.9 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Harlem

In Harlem in October humidity is 68%. With an average temperature of 6°C (44°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and might leave travelers feeling chilled to the bone, even when bundled up.

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 68%, 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 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, 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 5, which falls under the moderate 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	-6°C (21°F)	11 mm (0.4 inches)	85%	low
February Weather	-9°C (16°F)	26 mm (1.0 inches)	90%	moderate
March Weather	-1°C (31°F)	22 mm (0.9 inches)	82%	moderate
April Weather	5°C (41°F)	26 mm (1.0 inches)	73%	high
May Weather	12°C (55°F)	38 mm (1.5 inches)	73%	very high
June Weather	18°C (65°F)	49 mm (1.9 inches)	72%	very high
July Weather	22°C (73°F)	10 mm (0.4 inches)	74%	very high
August Weather	21°C (69°F)	28 mm (1.1 inches)	71%	very high
September Weather	15°C (59°F)	43 mm (1.7 inches)	65%	high
October Weather	6°C (44°F)	24 mm (0.9 inches)	68%	moderate
November Weather	0°C (33°F)	28 mm (1.1 inches)	81%	moderate
December Weather	-4°C (25°F)	19 mm (0.8 inches)	89%	low