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June Weather in McAllen, United States

Last updated: June 24, 2025

In McAllen, United States, the average temperature in June reaches a warm 30°C (86°F), with a minimum of 18°C (65°F) and a soaring maximum of 42°C (109°F). Expect 81 mm (3.2 in) of precipitation over about 11 days, accompanied by an average humidity of 73%, creating a warm and often muggy atmosphere. Prepare accordingly for the varying climate!

June Temperature in McAllen

In June in McAllen, the average temperature is 30°C (86°F). Maximums can reach 42°C (109°F), while minimums can drop as low as 18°C (65°F). Be prepared for hot days and cooler evenings when traveling during this time.

June Weather in McAllen: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in McAllen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McAllen, June typically has an average temperature of 30°C (86°F), with highs reaching up to 42°C (109°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec616572778285868884776964
Data source: Temperature data for McAllen 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.

June Precipitation in McAllen

In McAllen in June, the precipitation amount is 81 mm (3.2 in) over a span of 11 days.

June Precipitation Trends in McAllen

The chart displays monthly precipitation patterns in McAllen, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In McAllen, June typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec2021313187811002296513021
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in McAllen

In McAllen in June, humidity is 73%. With an average temperature of 30°C (86°F), this humidity feels like a thick blanket enveloping you, making travel somewhat oppressive as you navigate the streets, prompting frequent breaks for hydration and shade.

June Average Humidity in McAllen

This chart illustrates the average monthly humidity levels in McAllen, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in McAllen is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%76%77%80%73%66%65%73%76%80%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in McAllen

In McAllen in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in McAllen.

Maximum UV Index Levels in McAllen for June

The chart shows the monthly maximum UV Index (UVI) for McAllen in June, 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 June, the maximum UV index in McAllen typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6910111212121211976
Data source: McAllen June 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 June Weather in McAllen Compares to Other Months

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

This table compares monthly weather conditions in McAllen, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)20 mm (0.8 inches)83%high
February Weather18°C (65°F)21 mm (0.8 inches)79%very high
March Weather22°C (72°F)31 mm (1.2 inches)76%very high
April Weather25°C (78°F)31 mm (1.2 inches)77%extreme
May Weather28°C (83°F)87 mm (3.4 inches)80%extreme
June Weather30°C (86°F)81 mm (3.2 inches)73%extreme
July Weather30°C (87°F)100 mm (3.9 inches)66%extreme
August Weather31°C (88°F)22 mm (0.9 inches)65%extreme
September Weather29°C (84°F)96 mm (3.8 inches)73%extreme
October Weather25°C (77°F)51 mm (2.0 inches)76%very high
November Weather20°C (69°F)30 mm (1.2 inches)80%high
December Weather18°C (64°F)21 mm (0.8 inches)86%high

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