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January Weather in Arnold, United States

Last updated: June 24, 2025

In Arnold, United States, the average temperature in January hovers around -11°C (12°F), with chilling lows that can plunge to -33°C (-27°F) and highs peaking at 5°C (42°F). During this month, expect 24 mm (1.0 in) of precipitation spread over 5 days, contributing to a notably high average humidity of 93%. Stay warm and prepared for the brisk conditions!

January Temperature in Arnold

In January in Arnold, the average temperature is -11°C (12°F). The maximum can reach 5°C (42°F) and the minimum can be as low as -33°C (-27°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates January temperature patterns in Arnold, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnold, January typically has an average temperature of -11°C (12°F), with highs reaching up to 5°C (42°F) and lows dropping to around -33°C (-27°F).
JanFebMarAprMayJunJulAugSepOctNovDec121227365061676659453020
Data source: Temperature data for Arnold 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 Arnold

In Arnold in January, the precipitation amount is 24 mm (1.0 in) spread over the course of 5 days.

January Precipitation Trends in Arnold

The chart displays monthly precipitation patterns in Arnold, 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 Arnold, January typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2432456583831051061081174961
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arnold

In Arnold in January, humidity is 93%. With an average temperature of -11°C (12°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as every breath seems to freeze in the air and the cold dampness seeps into your clothes, leaving you longing for warmth and comfort.

January Average Humidity in Arnold

This chart illustrates the average monthly humidity levels in Arnold, 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 Arnold is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arnold

In Arnold in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Arnold, you can visit Hourly UV Index in Arnold.

Maximum UV Index Levels in Arnold for January

The chart shows the monthly maximum UV Index (UVI) for Arnold 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 Arnold typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Arnold 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 Arnold Compares to Other Months

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

This table compares monthly weather conditions in Arnold, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)24 mm (1.0 inches)93%low
February Weather-11°C (12°F)32 mm (1.3 inches)93%moderate
March Weather-3°C (27°F)45 mm (1.8 inches)89%moderate
April Weather2°C (36°F)65 mm (2.6 inches)85%high
May Weather10°C (50°F)83 mm (3.3 inches)76%very high
June Weather16°C (61°F)83 mm (3.3 inches)71%very high
July Weather19°C (67°F)105 mm (4.1 inches)70%very high
August Weather19°C (66°F)106 mm (4.2 inches)71%very high
September Weather15°C (59°F)108 mm (4.2 inches)73%high
October Weather7°C (45°F)117 mm (4.6 inches)81%moderate
November Weather-1°C (30°F)49 mm (1.9 inches)87%moderate
December Weather-7°C (20°F)61 mm (2.4 inches)91%low

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