January Weather in Alto, United States

Last updated: June 24, 2025

In January, the average temperature in Alto, United States hovers around 10°C (51°F). Expect a minimum of 0°C (33°F) and a pleasant maximum of 23°C (73°F). This month brings along 111 mm (4.4 in) of precipitation across approximately 8 days, contributing to an average humidity level of 85%.

January Temperature in Alto

In January in Alto, the average temperature is 10°C (51°F). Maximums can reach 23°C (73°F), and minimums can be as low as 0°C (33°F). This makes it a great time to explore Alto, as you can experience mild weather during the day while still needing a warm layer for cooler evenings.

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 10°C (51°F), with highs reaching up to 23°C (73°F) and lows dropping to around 0°C (33°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 111 mm (4.4 in) spread over 8 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 111 mm (4.4 inches) of precipitation spread over approximately 8 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 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

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	10°C (51°F)	111 mm (4.4 inches)	85%	moderate
February Weather	11°C (52°F)	116 mm (4.6 inches)	82%	moderate
March Weather	12°C (54°F)	80 mm (3.1 inches)	82%	very high
April Weather	14°C (57°F)	35 mm (1.4 inches)	79%	very high
May Weather	15°C (60°F)	20 mm (0.8 inches)	83%	very high
June Weather	17°C (63°F)	2 mm (0.1 inches)	84%	extreme
July Weather	17°C (63°F)	2 mm (0.1 inches)	87%	extreme
August Weather	18°C (64°F)	1 mm (0.1 inches)	87%	very high
September Weather	18°C (65°F)	2 mm (0.1 inches)	86%	very high
October Weather	16°C (62°F)	30 mm (1.2 inches)	80%	high
November Weather	13°C (55°F)	48 mm (1.9 inches)	79%	moderate
December Weather	10°C (51°F)	98 mm (3.9 inches)	79%	moderate