January Weather in Alamo, United States

Last updated: June 24, 2025

In January, the average temperature in Alamo, United States hovers around 4°C (39°F), with extremes ranging from a chilly -10°C (14°F) to a mild 18°C (66°F). Expect about 24 mm (0.9 in) of precipitation spread over 4 days, contributing to an average humidity level of 81%.

January Temperature in Alamo

In January in Alamo, the average temperature is 4°C (39°F). The maximum can reach 18°C (66°F), while the minimum can drop as low as -10°C (14°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates January temperature patterns in Alamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alamo, January typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (66°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in Alamo

In Alamo in January, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

January Precipitation Trends in Alamo

The chart displays monthly precipitation patterns in Alamo, 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 Alamo, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 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 Alamo

In Alamo in January, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

January Average Humidity in Alamo

This chart illustrates the average monthly humidity levels in Alamo, 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 Alamo is approximately 81%, 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 Alamo

In Alamo 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 Alamo for better planning.

Maximum UV Index Levels in Alamo for January

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

Data source: Alamo 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 Alamo Compares to Other Months

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

This table compares monthly weather conditions in Alamo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	24 mm (0.9 inches)	81%	moderate
February Weather	6°C (42°F)	24 mm (0.9 inches)	84%	high
March Weather	10°C (50°F)	35 mm (1.4 inches)	76%	very high
April Weather	16°C (60°F)	10 mm (0.4 inches)	64%	very high
May Weather	20°C (68°F)	12 mm (0.5 inches)	48%	extreme
June Weather	27°C (81°F)	1 mm (0.0 inches)	40%	extreme
July Weather	30°C (86°F)	15 mm (0.6 inches)	33%	extreme
August Weather	29°C (85°F)	4 mm (0.1 inches)	29%	extreme
September Weather	24°C (76°F)	3 mm (0.1 inches)	43%	very high
October Weather	15°C (60°F)	8 mm (0.3 inches)	61%	high
November Weather	10°C (50°F)	11 mm (0.4 inches)	76%	moderate
December Weather	4°C (39°F)	19 mm (0.7 inches)	78%	moderate