January Weather in Alto, United States

Last updated: June 24, 2025

In January, the average temperature in Alto, United States hovers around -7°C (20°F), with extremes that can plunge to a chilling -32°C (-25°F) or rise to a mild 10°C (50°F). During this month, expect about 46 mm (1.8 in) of precipitation spread over 7 days, and feel the dampness with an average humidity of 85%.

January Temperature in Alto

In January in Alto, the average temperature is -7°C (20°F). Maximums can reach 10°C (50°F) and minimums can be as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures, making warm clothing essential for this time of year.

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

The chart illustrates January temperature patterns in Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto, January typically has an average temperature of -7°C (20°F), with highs reaching up to 10°C (50°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Alto

In Alto in January, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.

January Precipitation Trends in Alto

The chart displays monthly precipitation patterns in Alto, 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 Alto, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 7 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 Alto

In Alto in January humidity is 85%. With an average temperature of -7°C (20°F), this humidity feels like an icy breath that clings to your skin, making travel challenging as the cold seeps into your bones while you navigate through the damp air.

January Average Humidity in Alto

This chart illustrates the average monthly humidity levels in Alto, 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 Alto is approximately 85%, 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 Alto

In Alto 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 Alto, you can check the information here.

Maximum UV Index Levels in Alto for January

The chart shows the monthly maximum UV Index (UVI) for Alto 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 Alto typically reaches 3, which falls under the moderate exposure category.

Data source: Alto 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 Alto Compares to Other Months

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

This table compares monthly weather conditions in Alto, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	46 mm (1.8 inches)	85%	moderate
February Weather	-6°C (21°F)	48 mm (1.9 inches)	85%	moderate
March Weather	1°C (34°F)	59 mm (2.3 inches)	85%	moderate
April Weather	7°C (44°F)	99 mm (3.9 inches)	85%	very high
May Weather	14°C (58°F)	116 mm (4.6 inches)	78%	very high
June Weather	21°C (69°F)	105 mm (4.1 inches)	80%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	78%	very high
August Weather	21°C (71°F)	98 mm (3.9 inches)	76%	very high
September Weather	18°C (64°F)	85 mm (3.3 inches)	79%	high
October Weather	10°C (51°F)	105 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	46 mm (1.8 inches)	88%	moderate
December Weather	-2°C (28°F)	47 mm (1.9 inches)	81%	low