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January Weather in Amherst, United States

Last updated: June 24, 2025

In Amherst, United States, the average temperature in January hovers around -1°C (30°F). It's a month of contrasts, with minimum temperatures potentially plunging to -21°C (-5°F) and peaking at a mild 14°C (57°F). Expect 93 mm (3.7 in) of precipitation over 13 days, contributing to an average humidity of 88%. Prepare for chilly days, and don't forget your umbrella!

January Temperature in Amherst

In January in Amherst, the average temperature is -1°C (30°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures, from chilly days to much colder nights.

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

The chart illustrates January temperature patterns in Amherst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amherst, January typically has an average temperature of -1°C (30°F), with highs reaching up to 14°C (57°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec303137465869757468584336
Data source: Temperature data for Amherst 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 Amherst

In Amherst in January, the total precipitation amount is 93 mm (3.7 in), which falls over the course of 13 days.

January Precipitation Trends in Amherst

The chart displays monthly precipitation patterns in Amherst, 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 Amherst, January typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec939999121125108116828411811597
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Amherst

In Amherst in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

January Average Humidity in Amherst

This chart illustrates the average monthly humidity levels in Amherst, 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 Amherst 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 Amherst

In Amherst 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 Amherst, you can check the information here.

Maximum UV Index Levels in Amherst for January

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

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

This table compares monthly weather conditions in Amherst, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)93 mm (3.7 inches)88%moderate
February Weather0°C (32°F)99 mm (3.9 inches)88%moderate
March Weather3°C (38°F)99 mm (3.9 inches)87%high
April Weather8°C (46°F)121 mm (4.8 inches)87%very high
May Weather14°C (58°F)125 mm (4.9 inches)81%very high
June Weather20°C (69°F)108 mm (4.2 inches)83%very high
July Weather24°C (75°F)115 mm (4.5 inches)82%very high
August Weather23°C (74°F)82 mm (3.2 inches)76%very high
September Weather20°C (69°F)84 mm (3.3 inches)77%very high
October Weather15°C (59°F)118 mm (4.6 inches)82%high
November Weather6°C (43°F)115 mm (4.5 inches)89%moderate
December Weather2°C (36°F)97 mm (3.8 inches)86%low

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