Historical Weather in McKinney, TX
See 55+ years of weather history for any date in McKinney going back to 1970.
Part of Texas weather history
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Today in McKinney Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for McKinney, TX, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 95°F / Low: 72°F
Coldest MonthJanuaryAvg High: 55°F / Low: 32°F
Jan
55°/ 32°
💧 8.9"
❄️ 1.0"
Feb
60°/ 37°
💧 10.4"
❄️ 1.1"
Mar
68°/ 45°
💧 10.6"
❄️ 1.2"
Apr
75°/ 53°
💧 11.9"
May
82°/ 62°
💧 14.0"
Jun
90°/ 69°
💧 13.1"
Jul
95°/ 73°
💧 10.2"
Aug
95°/ 72°
💧 10.3"
Sep
88°/ 65°
💧 12.8"
Oct
78°/ 54°
💧 15.1"
Nov
67°/ 44°
💧 11.9"
❄️ 1.6"
Dec
58°/ 36°
💧 10.9"
❄️ 1.2"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
McKinney Temperature Records
- Record High: The hottest temperature ever recorded in McKinney, TX is 112°F, set on June 26, 1980.
- Record Low: The coldest temperature ever recorded in McKinney, TX is -4°F, set on December 23, 1989.
- Data Coverage: Based on 57 years of data from NOAA weather station: MCKINNEY MUNI AP.
All-Time Record High
112°F
June 26, 1980
All-Time Record Low
-4°F
December 23, 1989
Monthly Temperature Records in McKinney
| Month | Record High | Record Low |
|---|---|---|
| January | 82°F(2023) | 5°F(1982) |
| February | 91°F(2024) | -4°F(2021) |
| March | 96°F(1974) | 13°F(1980) |
| April | 100°F(2006) | 19°F(1991) |
| May | 101°F(2003) | 35°F(2013) |
| June | 112°F(1980) | 50°F(1970) |
| July | 111°F(1998) | 53°F(1970) |
| August | 109°F(2024) | 53°F(1989) |
| September | 112°F(2000) | 39°F(1983) |
| October | 100°F(1979) | 24°F(1993) |
| November | 91°F(2017) | 15°F(1976) |
| December | 88°F(2005) | -4°F(1989) |
McKinney Snow RecordsSee the top 10 snowiest days ever recorded
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