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January Weather in Horseheads, United States

Last updated: June 24, 2025

In January, the average temperature in Horseheads, United States hovers around -4°C (26°F), with extremes ranging from a brisk -28°C (-18°F) to a mild 17°C (64°F). Expect approximately 71 mm (2.8 in) of precipitation spread over 11 days, contributing to an average humidity of 90%. Prepare for a chilly and wet month!

January Temperature in Horseheads

In January in Horseheads, the average temperature is -4°C (26°F). Maximums can reach 17°C (64°F), while minimums can drop as low as -28°C (-18°F). Be prepared for a wide range of temperatures when traveling to Horseheads during this month.

January Weather in Horseheads: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Horseheads, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horseheads, January typically has an average temperature of -4°C (26°F), with highs reaching up to 17°C (64°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834465866717063533831
Data source: Temperature data for Horseheads 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 Horseheads

In Horseheads in January, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.

January Precipitation Trends in Horseheads

The chart displays monthly precipitation patterns in Horseheads, 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 Horseheads, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7187831181289913795931408488
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Horseheads

In Horseheads in January, humidity is 90%. With an average temperature of -4°C (26°F), this humidity feels like stepping into a frigid sauna, where even the slightest breeze cuts through the chill, making travel feel like an arduous trek through a frozen mist.

January Average Humidity in Horseheads

This chart illustrates the average monthly humidity levels in Horseheads, 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 Horseheads is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Horseheads

In Horseheads 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 Horseheads, you can check the information here.

Maximum UV Index Levels in Horseheads for January

The chart shows the monthly maximum UV Index (UVI) for Horseheads 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 Horseheads typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Horseheads 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 Horseheads Compares to Other Months

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

This table compares monthly weather conditions in Horseheads, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)71 mm (2.8 inches)90%moderate
February Weather-2°C (28°F)87 mm (3.4 inches)90%moderate
March Weather1°C (35°F)82 mm (3.2 inches)87%high
April Weather8°C (46°F)118 mm (4.7 inches)88%very high
May Weather14°C (58°F)128 mm (5.0 inches)82%very high
June Weather19°C (66°F)99 mm (3.9 inches)79%very high
July Weather22°C (72°F)137 mm (5.4 inches)78%very high
August Weather21°C (70°F)95 mm (3.8 inches)76%very high
September Weather17°C (63°F)93 mm (3.7 inches)78%very high
October Weather11°C (53°F)140 mm (5.5 inches)84%high
November Weather3°C (38°F)84 mm (3.3 inches)89%moderate
December Weather-1°C (31°F)88 mm (3.5 inches)86%low

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