What is the highest temperature ever recorded in McKinney, TX?

The record high temperature in McKinney, TX is 112°F, recorded on June 26, 1980.

What is the lowest temperature ever recorded in McKinney, TX?

The record low temperature in McKinney, TX is -4°F, recorded on December 23, 1989.

Historical Weather in McKinney, TX

Name: McKinney, TX Temperature Records
Creator: NOAA

See 55+ years of weather history for any date in McKinney going back to 1970.

Part of Texas weather history · Texas temperature records

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Today in McKinney Weather HistorySee records, averages, and 55+ years of data for today's date

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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°

💧 11.8"

May

82°/ 62°

💧 14.1"

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, TX Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

McKinney, TX Monthly Precipitation

Average rainfall and snowfall per month, in inches.

Rain (in) Snow (in)

McKinney, TX Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

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Hotter

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Best Time to Visit McKinney, TX

McKinney, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

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)