January Weather in Alamo, United States

Last updated: June 24, 2025

In January, the average temperature in Alamo, United States hovers around 5°C (41°F). Expect a chill in the air, as temperatures can dip to a minimum of -19°C (-2°F), while the mercury can rise to a maximum of 23°C (73°F). With an average precipitation of 100 mm (3.9 in) over 9 days, it's wise to prepare for some rainy moments. Don't forget, the average humidity is a high 86%, making the air feel quite damp.

January Temperature in Alamo

In January in Alamo, the average temperature is 5°C (41°F). Maximums can reach 23°C (73°F), while minimums can plummet to as low as -19°C (-2°F). Be prepared for a wide range of temperatures, so pack accordingly for your trip!

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 5°C (41°F), with highs reaching up to 23°C (73°F) and lows dropping to around -19°C (-2°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 100 mm (3.9 in) spread over 9 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 100 mm (3.9 inches) of precipitation spread over approximately 9 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 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.

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 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 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	5°C (41°F)	100 mm (3.9 inches)	86%	moderate
February Weather	7°C (45°F)	173 mm (6.8 inches)	85%	high
March Weather	12°C (54°F)	172 mm (6.8 inches)	84%	high
April Weather	16°C (60°F)	149 mm (5.9 inches)	81%	very high
May Weather	22°C (71°F)	101 mm (4.0 inches)	83%	very high
June Weather	26°C (78°F)	105 mm (4.2 inches)	83%	extreme
July Weather	27°C (81°F)	122 mm (4.8 inches)	80%	extreme
August Weather	26°C (79°F)	103 mm (4.1 inches)	73%	very high
September Weather	24°C (75°F)	112 mm (4.4 inches)	70%	very high
October Weather	18°C (64°F)	116 mm (4.6 inches)	73%	high
November Weather	10°C (50°F)	88 mm (3.5 inches)	85%	moderate
December Weather	8°C (46°F)	142 mm (5.6 inches)	88%	moderate