Last updated: June 24, 2025
In October, the average temperature in McKinney, United States hovers around a pleasant 19°C (67°F). Weather can vary significantly, with minimums dipping to 1°C (33°F) and highs soaring to 34°C (94°F). Expect around 157 mm (6.2 in) of precipitation spread across 9 days, and maintain your comfort with an average humidity of 72%.
In October in McKinney, the average temperature is 19°C (67°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 1°C (33°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.
In McKinney in October, the total precipitation amount is 157 mm (6.2 in) spread over 9 days.
In McKinney in October, humidity is 72%. With an average temperature of 19°C (67°F), this humidity feels like a warm, damp blanket enveloping you, making outdoor activities a bit more challenging but also giving the air a refreshing quality that's invigorating for short excursions.
In McKinney in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in McKinney.
UV Risk Categories
Weather in McKinney varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in McKinney, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (46°F) | 65 mm (2.6 inches) | 80% | moderate |
February Weather | 9°C (48°F) | 104 mm (4.1 inches) | 79% | high |
March Weather | 15°C (59°F) | 134 mm (5.3 inches) | 78% | very high |
April Weather | 18°C (64°F) | 144 mm (5.7 inches) | 78% | very high |
May Weather | 23°C (73°F) | 180 mm (7.1 inches) | 81% | extreme |
June Weather | 27°C (81°F) | 100 mm (4.0 inches) | 78% | extreme |
July Weather | 29°C (84°F) | 58 mm (2.3 inches) | 73% | extreme |
August Weather | 29°C (84°F) | 96 mm (3.8 inches) | 66% | extreme |
September Weather | 26°C (79°F) | 98 mm (3.8 inches) | 65% | very high |
October Weather | 19°C (67°F) | 157 mm (6.2 inches) | 72% | very high |
November Weather | 13°C (56°F) | 58 mm (2.3 inches) | 82% | high |
December Weather | 10°C (51°F) | 73 mm (2.9 inches) | 87% | moderate |