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January Weather in East Hampton, United States

Last updated: June 24, 2025

In January, the average temperature in East Hampton, United States hovers around 0°C (32°F), with a minimum drop to -20°C (-4°F) and a maximum rise to 20°C (68°F). Be prepared for some rain, as 69 mm (2.7 in) of precipitation is expected over 8 days. With an average humidity of 84%, you'll want to bundle up and stay cozy!

January Temperature in East Hampton

In January in East Hampton, the average temperature is 0°C (32°F). The maximum can reach 20°C (68°F), and the minimum can be as low as -20°C (-4°F). Be prepared for a wide range of temperatures during your travels, so plan your clothing accordingly!

January Weather in East Hampton: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in East Hampton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Hampton, January typically has an average temperature of 0°C (32°F), with highs reaching up to 20°C (68°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec323439495969757467574436
Data source: Temperature data for East Hampton 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 East Hampton

In East Hampton in January, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

January Precipitation Trends in East Hampton

The chart displays monthly precipitation patterns in East Hampton, 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 East Hampton, January typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec69899312711292156999713092131
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in East Hampton

In East Hampton in January, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

January Average Humidity in East Hampton

This chart illustrates the average monthly humidity levels in East Hampton, 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 East Hampton is approximately 84%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in East Hampton

In East Hampton 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 East Hampton, you can check the information here.

Maximum UV Index Levels in East Hampton for January

The chart shows the monthly maximum UV Index (UVI) for East Hampton 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 East Hampton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: East Hampton 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 East Hampton Compares to Other Months

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

This table compares monthly weather conditions in East Hampton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)69 mm (2.7 inches)84%moderate
February Weather1°C (34°F)89 mm (3.5 inches)82%moderate
March Weather4°C (40°F)92 mm (3.6 inches)81%high
April Weather9°C (49°F)127 mm (5.0 inches)78%very high
May Weather15°C (59°F)112 mm (4.4 inches)69%very high
June Weather20°C (69°F)92 mm (3.6 inches)69%very high
July Weather24°C (75°F)156 mm (6.1 inches)62%very high
August Weather23°C (74°F)99 mm (3.9 inches)65%very high
September Weather19°C (67°F)97 mm (3.8 inches)68%very high
October Weather14°C (58°F)130 mm (5.1 inches)74%high
November Weather7°C (44°F)92 mm (3.6 inches)82%moderate
December Weather2°C (36°F)131 mm (5.1 inches)80%low

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