nomadseason

October Weather in Hartsdale, United States

Last updated: June 24, 2025

In October, the average temperature in Hartsdale, United States hovers around 15°C (60°F), with a range that can dip to a chilly 3°C (38°F) or soar to a warm 32°C (90°F). Expect 132 mm (5.2 in) of precipitation spread across approximately 11 days, accompanied by an average humidity of 74%, creating a comfortably humid atmosphere.

October Temperature in Hartsdale

In October in Hartsdale, the average temperature is 15°C (60°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). This variation in temperature makes it essential to pack both light clothing for warmth and a jacket for cooler evenings when traveling.

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

The chart illustrates October temperature patterns in Hartsdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartsdale, October typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333541506171777569594637
Data source: Temperature data for Hartsdale generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Hartsdale

In Hartsdale in October, the precipitation amount is 132 mm (5.2 in), which occurs over a span of 11 days.

October Precipitation Trends in Hartsdale

The chart displays monthly precipitation patterns in Hartsdale, 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 Hartsdale, October typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6910193114114911431239813286111
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Hartsdale

In Hartsdale in October humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.

October Average Humidity in Hartsdale

This chart illustrates the average monthly humidity levels in Hartsdale, 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 Hartsdale is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hartsdale

In Hartsdale in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hartsdale, you can refer to this Hourly UV Index in Hartsdale.

Maximum UV Index Levels in Hartsdale for October

The chart shows the monthly maximum UV Index (UVI) for Hartsdale 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 Hartsdale typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Hartsdale 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 Hartsdale Compares to Other Months

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

This table compares monthly weather conditions in Hartsdale, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)69 mm (2.7 inches)84%moderate
February Weather2°C (35°F)101 mm (4.0 inches)82%moderate
March Weather5°C (41°F)93 mm (3.7 inches)81%high
April Weather10°C (51°F)114 mm (4.5 inches)78%very high
May Weather16°C (61°F)114 mm (4.5 inches)69%very high
June Weather21°C (71°F)91 mm (3.6 inches)69%very high
July Weather25°C (77°F)143 mm (5.6 inches)62%very high
August Weather24°C (75°F)123 mm (4.8 inches)65%very high
September Weather20°C (69°F)98 mm (3.8 inches)68%very high
October Weather15°C (60°F)132 mm (5.2 inches)74%high
November Weather8°C (46°F)86 mm (3.4 inches)82%moderate
December Weather3°C (38°F)111 mm (4.4 inches)80%low

Compare Hartsdale's Climate with Cities Worldwide