January Weather in Alturas, United States

Last updated: June 24, 2025

In January, the average temperature in Alturas, United States hovers around 0°C (32°F), with a minimum dipping to -20°C (-3°F) and a maximum reaching 12°C (54°F). This month brings 74 mm (2.9 in) of precipitation over 12 days, and the air is notably moist, with an average humidity of 86%. Stay prepared for chilly weather and occasional showers!

January Temperature in Alturas

In January in Alturas, the average temperature is 0°C (32°F). Maximums can reach 12°C (54°F), while minimums can drop as low as -20°C (-3°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Alturas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alturas, January typically has an average temperature of 0°C (32°F), with highs reaching up to 12°C (54°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Alturas

In Alturas in January, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

January Precipitation Trends in Alturas

The chart displays monthly precipitation patterns in Alturas, 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 Alturas, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 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 Alturas

In Alturas in January humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.

January Average Humidity in Alturas

This chart illustrates the average monthly humidity levels in Alturas, 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 Alturas is approximately 86%, 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 Alturas

In Alturas 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 Alturas for better planning.

Maximum UV Index Levels in Alturas for January

The chart shows the monthly maximum UV Index (UVI) for Alturas 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 Alturas typically reaches 4, which falls under the moderate exposure category.

Data source: Alturas 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 Alturas Compares to Other Months

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

This table compares monthly weather conditions in Alturas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	74 mm (2.9 inches)	86%	moderate
February Weather	0°C (33°F)	74 mm (2.9 inches)	87%	moderate
March Weather	3°C (38°F)	72 mm (2.9 inches)	86%	high
April Weather	7°C (45°F)	54 mm (2.1 inches)	83%	very high
May Weather	13°C (55°F)	53 mm (2.1 inches)	72%	extreme
June Weather	18°C (65°F)	18 mm (0.7 inches)	67%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	56%	extreme
August Weather	22°C (72°F)	6 mm (0.2 inches)	42%	extreme
September Weather	17°C (63°F)	20 mm (0.8 inches)	46%	very high
October Weather	9°C (49°F)	35 mm (1.4 inches)	67%	high
November Weather	4°C (40°F)	47 mm (1.8 inches)	86%	moderate
December Weather	-1°C (31°F)	69 mm (2.7 inches)	86%	moderate