Last updated: June 24, 2025
In McAllen, United States, the average temperature for April is a pleasant 25°C (78°F). However, be prepared for a wide range; temperatures can dip to a chilly 8°C (47°F) or soar to a scorching 41°C (107°F). Expect about 31 mm (1.2 in) of precipitation spread over 4 days, accompanied by an average humidity level of 77%. Stay cool and enjoy the season!
In April in McAllen, the average temperature is 25°C (78°F), with maximums reaching up to 41°C (107°F) and minimums dropping as low as 8°C (47°F). Be prepared for a wide range of temperatures when traveling to McAllen during this month.
In McAllen in April, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.
In McAllen in April humidity is 77%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace that can quickly sap your energy, making outdoor activities more challenging and requiring frequent breaks to stay hydrated and cool.
In McAllen in April, 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 McAllen.
UV Risk Categories
Weather in McAllen varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in McAllen, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 16°C (62°F) | 20 mm (0.8 inches) | 83% | high |
February Weather | 18°C (65°F) | 21 mm (0.8 inches) | 79% | very high |
March Weather | 22°C (72°F) | 31 mm (1.2 inches) | 76% | very high |
April Weather | 25°C (78°F) | 31 mm (1.2 inches) | 77% | extreme |
May Weather | 28°C (83°F) | 87 mm (3.4 inches) | 80% | extreme |
June Weather | 30°C (86°F) | 81 mm (3.2 inches) | 73% | extreme |
July Weather | 30°C (87°F) | 100 mm (3.9 inches) | 66% | extreme |
August Weather | 31°C (88°F) | 22 mm (0.9 inches) | 65% | extreme |
September Weather | 29°C (84°F) | 96 mm (3.8 inches) | 73% | extreme |
October Weather | 25°C (77°F) | 51 mm (2.0 inches) | 76% | very high |
November Weather | 20°C (69°F) | 30 mm (1.2 inches) | 80% | high |
December Weather | 18°C (64°F) | 21 mm (0.8 inches) | 86% | high |