May Weather in Alamo, United States

Last updated: June 24, 2025

In May, the average temperature in Alamo, United States hovers around 24°C (76°F), offering a pleasant climate for outdoor activities. Expect minimum lows of 9°C (49°F) and maximum highs reaching 38°C (101°F). While enjoying this warmth, be prepared for an average of 81 mm (3.2 in) of precipitation spread over 8 days, coupled with an average humidity level of 81%.

May Temperature in Alamo

In May in Alamo, the average temperature is 24°C (76°F). Maximums can reach 38°C (101°F), and minimums can be as low as 9°C (49°F). This makes it an ideal time for travelers to enjoy a range of activities, from warm, sunny days to cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Alamo

In Alamo in May, the precipitation amount is 81 mm (3.2 in) over the course of 8 days.

May Precipitation Trends in Alamo

The chart displays monthly precipitation patterns in Alamo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Alamo, May typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Alamo

In Alamo in May, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

May Average Humidity in Alamo

This chart illustrates the average monthly humidity levels in Alamo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Alamo is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alamo

In Alamo in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Alamo.

Maximum UV Index Levels in Alamo for May

The chart shows the monthly maximum UV Index (UVI) for Alamo in May, 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 May, the maximum UV index in Alamo typically reaches 11, which falls under the extreme exposure category.

Data source: Alamo May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	87 mm (3.4 inches)	86%	moderate
February Weather	14°C (57°F)	107 mm (4.2 inches)	84%	high
March Weather	16°C (61°F)	77 mm (3.0 inches)	83%	very high
April Weather	20°C (67°F)	79 mm (3.1 inches)	81%	very high
May Weather	24°C (76°F)	81 mm (3.2 inches)	81%	extreme
June Weather	27°C (80°F)	109 mm (4.3 inches)	81%	extreme
July Weather	28°C (83°F)	120 mm (4.7 inches)	83%	extreme
August Weather	28°C (83°F)	117 mm (4.6 inches)	81%	extreme
September Weather	26°C (80°F)	102 mm (4.0 inches)	82%	very high
October Weather	22°C (72°F)	89 mm (3.5 inches)	78%	very high
November Weather	14°C (58°F)	56 mm (2.2 inches)	86%	high
December Weather	12°C (53°F)	126 mm (4.9 inches)	89%	moderate