January Weather in Alto, United States

Last updated: June 24, 2025

In Alto, United States, the average temperature in January hovers around 10°C (50°F), with a temperature range that can dip as low as -12°C (11°F) and peak at 27°C (80°F). This month experiences a significant precipitation amount of 101 mm (4.0 in) spread over 8 days, and you can expect the average humidity to be quite high at 79%. Prepare for a month of varied weather conditions!

January Temperature in Alto

In January in Alto, the average temperature is 10°C (50°F). The maximum can reach 27°C (80°F), while the minimum can drop as low as -12°C (11°F). Travelers should be prepared for a range of temperatures and pack accordingly to enjoy their visit.

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 (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -12°C (11°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 101 mm (4.0 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 101 mm (4.0 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Alto

In Alto in January humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

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 79%, 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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Alto for better planning.

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 4, 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 (50°F)	101 mm (4.0 inches)	79%	moderate
February Weather	11°C (53°F)	135 mm (5.3 inches)	80%	high
March Weather	16°C (62°F)	115 mm (4.5 inches)	78%	very high
April Weather	19°C (66°F)	142 mm (5.6 inches)	79%	extreme
May Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
June Weather	27°C (81°F)	111 mm (4.4 inches)	77%	extreme
July Weather	29°C (84°F)	80 mm (3.2 inches)	71%	extreme
August Weather	29°C (85°F)	102 mm (4.0 inches)	67%	extreme
September Weather	26°C (80°F)	97 mm (3.8 inches)	69%	very high
October Weather	21°C (70°F)	121 mm (4.8 inches)	73%	very high
November Weather	14°C (58°F)	76 mm (3.0 inches)	82%	high
December Weather	12°C (54°F)	116 mm (4.6 inches)	87%	moderate