May Weather in Helotes, United States

Last updated: June 24, 2025

In Helotes, United States, the average temperature in May is a pleasant 25°C (77°F). However, be prepared for some fluctuations, as temperatures can dip to a minimum of 10°C (50°F) and soar to a maximum of 38°C (101°F). This month also sees an average precipitation of 123 mm (4.8 in) over approximately 15 days, contributing to an overall humidity level of 81%.

May Temperature in Helotes

In May in Helotes, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), and minimums can be as low as 10°C (50°F). This makes Helotes an ideal destination for travelers seeking warm weather with pleasant evenings.

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

The chart illustrates May temperature patterns in Helotes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helotes, May typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).

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

May Precipitation in Helotes

In Helotes in May, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

May Precipitation Trends in Helotes

The chart displays monthly precipitation patterns in Helotes, 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 Helotes, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 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 Helotes

In Helotes in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Helotes

This chart illustrates the average monthly humidity levels in Helotes, 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 Helotes 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 Helotes

In Helotes 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 Helotes.

Maximum UV Index Levels in Helotes for May

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

Data source: Helotes 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 Helotes Compares to Other Months

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

This table compares monthly weather conditions in Helotes, 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 (52°F)	42 mm (1.7 inches)	79%	moderate
February Weather	12°C (55°F)	54 mm (2.1 inches)	79%	very high
March Weather	18°C (64°F)	63 mm (2.5 inches)	74%	very high
April Weather	21°C (69°F)	70 mm (2.8 inches)	76%	extreme
May Weather	25°C (77°F)	123 mm (4.8 inches)	81%	extreme
June Weather	28°C (82°F)	72 mm (2.8 inches)	76%	extreme
July Weather	29°C (84°F)	61 mm (2.4 inches)	66%	extreme
August Weather	29°C (85°F)	48 mm (1.9 inches)	58%	extreme
September Weather	26°C (80°F)	115 mm (4.5 inches)	65%	extreme
October Weather	22°C (71°F)	81 mm (3.2 inches)	74%	very high
November Weather	16°C (61°F)	43 mm (1.7 inches)	81%	high
December Weather	13°C (55°F)	56 mm (2.2 inches)	86%	moderate