May Weather in Dilley, United States

Last updated: June 24, 2025

In May, the average temperature in Dilley, United States hovers around 27°C (81°F). However, be prepared for a range that can dip to a chilly 11°C (52°F) and soar up to a scorching 40°C (105°F). Expect 104 mm (4.1 in) of precipitation spread over 11 days, with humidity levels averaging a high 81%.

May Temperature in Dilley

In May in Dilley, the average temperature is 27°C (81°F). Maximums can reach 40°C (105°F), and minimums can be as low as 11°C (52°F). Be prepared for a wide range of temperatures and plan your travel attire accordingly.

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

The chart illustrates May temperature patterns in Dilley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dilley, May typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (105°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec555969748186888983756458
Data source: Temperature data for Dilley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Dilley

In Dilley in May, the precipitation amount is 104 mm (4.1 in) over the course of 11 days.

May Precipitation Trends in Dilley

The chart displays monthly precipitation patterns in Dilley, 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 Dilley, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec25333449104475335108603528
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dilley

In Dilley in May humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

May Average Humidity in Dilley

This chart illustrates the average monthly humidity levels in Dilley, 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 Dilley is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%74%76%81%76%66%58%65%74%81%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dilley

In Dilley 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 Dilley.

Maximum UV Index Levels in Dilley for May

The chart shows the monthly maximum UV Index (UVI) for Dilley 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 Dilley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Dilley 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 Dilley Compares to Other Months

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

This table compares monthly weather conditions in Dilley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)25 mm (1.0 inches)79%moderate
February Weather15°C (59°F)32 mm (1.3 inches)79%very high
March Weather20°C (69°F)34 mm (1.3 inches)74%very high
April Weather23°C (74°F)49 mm (1.9 inches)76%extreme
May Weather27°C (81°F)104 mm (4.1 inches)81%extreme
June Weather30°C (86°F)47 mm (1.8 inches)76%extreme
July Weather31°C (88°F)53 mm (2.1 inches)66%extreme
August Weather32°C (89°F)35 mm (1.4 inches)58%extreme
September Weather28°C (84°F)107 mm (4.2 inches)65%extreme
October Weather24°C (75°F)60 mm (2.4 inches)74%very high
November Weather18°C (64°F)35 mm (1.4 inches)81%high
December Weather15°C (59°F)28 mm (1.1 inches)86%moderate

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