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January Weather in Windham, United States

Last updated: June 24, 2025

In Windham, United States, the average temperature in January hovers around -2°C (29°F). However, temperatures can vary significantly, with a minimum of -24°C (-11°F) and a maximum reaching 20°C (69°F). During this month, expect about 86 mm (3.4 in) of precipitation spread over 12 days and an average humidity level of 88%, making the atmosphere feel quite brisk and damp.

January Temperature in Windham

In January in Windham, the average temperature is -2°C (29°F). Maximums can reach 20°C (69°F), and minimums can be as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures when visiting during this month.

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

The chart illustrates January temperature patterns in Windham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Windham, January typically has an average temperature of -2°C (29°F), with highs reaching up to 20°C (69°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496169747266564135
Data source: Temperature data for Windham 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 Windham

In Windham in January, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.

January Precipitation Trends in Windham

The chart displays monthly precipitation patterns in Windham, 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 Windham, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec86961071311251411401041091129491
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Windham

In Windham in January, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

January Average Humidity in Windham

This chart illustrates the average monthly humidity levels in Windham, 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 Windham is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Windham

In Windham 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 Windham, you can check the information here.

Maximum UV Index Levels in Windham for January

The chart shows the monthly maximum UV Index (UVI) for Windham 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 Windham typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Windham 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 Windham Compares to Other Months

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

This table compares monthly weather conditions in Windham, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)86 mm (3.4 inches)88%moderate
February Weather0°C (32°F)95 mm (3.8 inches)88%moderate
March Weather4°C (39°F)107 mm (4.2 inches)87%high
April Weather9°C (49°F)131 mm (5.2 inches)87%very high
May Weather16°C (61°F)125 mm (4.9 inches)81%very high
June Weather21°C (69°F)141 mm (5.5 inches)83%very high
July Weather23°C (74°F)140 mm (5.5 inches)82%very high
August Weather22°C (72°F)104 mm (4.1 inches)76%very high
September Weather19°C (67°F)109 mm (4.3 inches)77%very high
October Weather13°C (56°F)112 mm (4.4 inches)82%high
November Weather5°C (41°F)94 mm (3.7 inches)89%moderate
December Weather1°C (35°F)90 mm (3.6 inches)86%low

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