January Weather in Altamont, United States

Last updated: June 24, 2025

In January, the average temperature in Altamont, United States hovers around 5°C (40°F). Experience the extremes with a minimum of -15°C (6°F) and a maximum of 23°C (73°F). Be prepared for a moist environment, as 108 mm (4.2 in) of precipitation falls over about 11 days, accompanied by a high average humidity of 87%.

January Temperature in Altamont

In January in Altamont, the average temperature is 5°C (40°F), with maximums reaching 23°C (73°F) and minimums dropping as low as -15°C (6°F). This range means that travelers should be prepared for both warm and cold weather during their visit.

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

The chart illustrates January temperature patterns in Altamont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altamont, January typically has an average temperature of 5°C (40°F), with highs reaching up to 23°C (73°F) and lows dropping to around -15°C (6°F).

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

January Precipitation in Altamont

In Altamont in January, the precipitation amount is 108 mm (4.2 in), distributed over 11 days.

January Precipitation Trends in Altamont

The chart displays monthly precipitation patterns in Altamont, 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 Altamont, January typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 11 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 Altamont

In Altamont in January, humidity is 87%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions less enjoyable and requiring extra layers to stay comfortable while exploring.

January Average Humidity in Altamont

This chart illustrates the average monthly humidity levels in Altamont, 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 Altamont is approximately 87%, 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 Altamont

In Altamont 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 Altamont for better planning.

Maximum UV Index Levels in Altamont for January

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

Data source: Altamont 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 Altamont Compares to Other Months

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

This table compares monthly weather conditions in Altamont, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	108 mm (4.2 inches)	87%	moderate
February Weather	8°C (46°F)	178 mm (7.0 inches)	87%	high
March Weather	11°C (52°F)	183 mm (7.2 inches)	85%	very high
April Weather	15°C (58°F)	157 mm (6.2 inches)	82%	very high
May Weather	20°C (68°F)	126 mm (5.0 inches)	83%	extreme
June Weather	23°C (74°F)	127 mm (5.0 inches)	82%	extreme
July Weather	25°C (78°F)	126 mm (5.0 inches)	78%	extreme
August Weather	24°C (76°F)	144 mm (5.7 inches)	67%	very high
September Weather	22°C (72°F)	116 mm (4.6 inches)	64%	very high
October Weather	17°C (62°F)	124 mm (4.9 inches)	74%	high
November Weather	9°C (48°F)	74 mm (2.9 inches)	87%	moderate
December Weather	7°C (45°F)	145 mm (5.7 inches)	88%	moderate