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January Weather in Harrison, United States

Last updated: June 24, 2025

In January, the average temperature in Harrison, United States hovers around 2°C (35°F). Be prepared for a chill, as temperatures can dip as low as -18°C (1°F), while the mercury can rise to a pleasant 21°C (70°F). Expect 98 mm (3.9 in) of precipitation spread over 8 days, contributing to a high average humidity of 86%. Stay warm and dry!

January Temperature in Harrison

In January in Harrison, the average temperature is 2°C (35°F). Maximum can reach 21°C (70°F) and minimum can be as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures, ensuring to pack both warm clothing and layers for warmer days.

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

The chart illustrates January temperature patterns in Harrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrison, January typically has an average temperature of 2°C (35°F), with highs reaching up to 21°C (70°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec353949576877807773614641
Data source: Temperature data for Harrison 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 Harrison

In Harrison in January, the total precipitation amount is 98 mm (3.9 in), occurring over 8 days.

January Precipitation Trends in Harrison

The chart displays monthly precipitation patterns in Harrison, 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 Harrison, January typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec98115147145142979085751169186
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harrison

In Harrison in January humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

January Average Humidity in Harrison

This chart illustrates the average monthly humidity levels in Harrison, 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 Harrison is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harrison

In Harrison 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 Harrison, you can check the information here.

Maximum UV Index Levels in Harrison for January

The chart shows the monthly maximum UV Index (UVI) for Harrison 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 Harrison typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111110109753
Data source: Harrison 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 Harrison Compares to Other Months

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

This table compares monthly weather conditions in Harrison, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)98 mm (3.9 inches)86%moderate
February Weather4°C (39°F)115 mm (4.5 inches)84%moderate
March Weather9°C (49°F)147 mm (5.8 inches)84%high
April Weather14°C (57°F)145 mm (5.7 inches)80%very high
May Weather20°C (69°F)142 mm (5.6 inches)82%extreme
June Weather25°C (77°F)97 mm (3.8 inches)83%extreme
July Weather27°C (81°F)90 mm (3.5 inches)79%very high
August Weather25°C (77°F)85 mm (3.4 inches)76%very high
September Weather23°C (73°F)75 mm (2.9 inches)75%very high
October Weather16°C (61°F)116 mm (4.5 inches)74%high
November Weather8°C (46°F)91 mm (3.6 inches)85%moderate
December Weather5°C (42°F)86 mm (3.4 inches)88%moderate

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