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January Weather in Sleepy Hollow, United States

Last updated: June 24, 2025

In January, the average temperature in Sleepy Hollow, United States hovers around -3°C (27°F), with minimums plunging to -25°C (-12°F) and maximums reaching up to 14°C (58°F). Expect approximately 19 mm (0.8 in) of precipitation spread over 5 days, and enjoy a notable average humidity of 78%.

January Temperature in Sleepy Hollow

In January in Sleepy Hollow, the average temperature is -3°C (27°F). The maximum can reach 14°C (58°F), while the minimum can plummet to -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and bring appropriate clothing for both chilly and moderately warm conditions.

January Weather in Sleepy Hollow: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sleepy Hollow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sleepy Hollow, January typically has an average temperature of -3°C (27°F), with highs reaching up to 14°C (58°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec272237425367737061433730
Data source: Temperature data for Sleepy Hollow generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Sleepy Hollow

In Sleepy Hollow in January, the total precipitation amount is 19 mm (0.8 in), occurring over the course of 5 days.

January Precipitation Trends in Sleepy Hollow

The chart displays monthly precipitation patterns in Sleepy Hollow, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sleepy Hollow, January typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec192633616740563543482024
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sleepy Hollow

In Sleepy Hollow in January, humidity is 78%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making winter travel particularly uncomfortable and demanding.

January Average Humidity in Sleepy Hollow

This chart illustrates the average monthly humidity levels in Sleepy Hollow, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sleepy Hollow is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%71%70%75%82%84%85%79%75%75%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sleepy Hollow

In Sleepy Hollow in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sleepy Hollow, you can check the information here.

Maximum UV Index Levels in Sleepy Hollow for January

The chart shows the monthly maximum UV Index (UVI) for Sleepy Hollow in January, 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 January, the maximum UV index in Sleepy Hollow typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3561091111108532
Data source: Sleepy Hollow January 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 January Weather in Sleepy Hollow Compares to Other Months

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

This table compares monthly weather conditions in Sleepy Hollow, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)19 mm (0.8 inches)78%moderate
February Weather-5°C (23°F)26 mm (1.0 inches)79%moderate
March Weather3°C (38°F)33 mm (1.3 inches)71%high
April Weather6°C (42°F)61 mm (2.4 inches)70%very high
May Weather12°C (53°F)67 mm (2.6 inches)75%very high
June Weather19°C (67°F)39 mm (1.6 inches)82%extreme
July Weather23°C (74°F)56 mm (2.2 inches)84%extreme
August Weather21°C (71°F)35 mm (1.4 inches)85%very high
September Weather16°C (62°F)43 mm (1.7 inches)79%very high
October Weather6°C (44°F)47 mm (1.9 inches)75%moderate
November Weather3°C (37°F)20 mm (0.8 inches)75%moderate
December Weather-1°C (30°F)24 mm (0.9 inches)81%low

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