January Weather in Arnold, United States

Last updated: June 24, 2025

In January, the average temperature in Arnold, United States hovers around -3°C (26°F). Expect a range, with minimums dipping as low as -23°C (-8°F) and maximums reaching up to 15°C (59°F). The month typically sees 17 mm (0.7 in) of precipitation over approximately 3 days, accompanied by an average humidity of 73%.

January Temperature in Arnold

In January in Arnold, the average temperature is -3°C (26°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -23°C (-8°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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 -3°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -23°C (-8°F).

Data source: Temperature data for Arnold generated using information from the Copernicus Climate Change Service.

January Precipitation in Arnold

In Arnold in January, the precipitation amount is 17 mm (0.7 in) over the course of 3 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 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Arnold

In Arnold in January, humidity is 73%. With an average temperature of -3°C (26°F), this humidity feels like an icy blanket wrapping around you, making travel quite uncomfortable as the dampness seeps into your clothes and chills you to the bone.

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 73%, offering insight into how humid the weather typically is during this month.

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 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 Arnold, you can check the information here.

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 3, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	17 mm (0.7 inches)	73%	moderate
February Weather	-4°C (25°F)	23 mm (0.9 inches)	80%	moderate
March Weather	3°C (39°F)	69 mm (2.7 inches)	64%	high
April Weather	8°C (46°F)	48 mm (1.9 inches)	64%	very high
May Weather	14°C (58°F)	131 mm (5.1 inches)	76%	very high
June Weather	22°C (72°F)	81 mm (3.2 inches)	79%	extreme
July Weather	24°C (76°F)	82 mm (3.2 inches)	77%	extreme
August Weather	22°C (73°F)	72 mm (2.8 inches)	79%	very high
September Weather	19°C (67°F)	58 mm (2.3 inches)	70%	very high
October Weather	9°C (48°F)	54 mm (2.1 inches)	64%	high
November Weather	4°C (39°F)	27 mm (1.1 inches)	75%	moderate
December Weather	-1°C (30°F)	33 mm (1.3 inches)	78%	moderate