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

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

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

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

Historical Weather in Plano, TX

Name: Plano, TX Temperature Records
Creator: NOAA

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

Part of Texas weather history · Texas temperature records

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Today in Plano 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 Plano, TX, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 96°F / Low: 75°F

Coldest MonthJanuaryAvg High: 56°F / Low: 34°F

Jan

56°/ 34°

💧 9.2"

Feb

60°/ 39°

💧 8.6"

Mar

70°/ 48°

💧 10.5"

Apr

76°/ 54°

💧 11.4"

May

83°/ 63°

💧 12.5"

Jun

91°/ 72°

💧 12.0"

Jul

95°/ 75°

💧 8.4"

Aug

96°/ 75°

💧 10.2"

Sep

89°/ 67°

💧 11.2"

Oct

79°/ 56°

💧 14.5"

Nov

67°/ 46°

💧 10.5"

Dec

59°/ 38°

💧 9.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Plano, TX Temperature Range by Month

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

Avg high Avg low

Plano, TX Monthly Precipitation

Average rainfall per month, in inches.

Rain (in)

Plano, 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.

Cooler

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Best Time to Visit Plano, TX

Plano, 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

Plano Temperature Records

Record High: The hottest temperature ever recorded in Plano, TX is 112°F, set on June 26, 1980.
Record Low: The coldest temperature ever recorded in Plano, TX is -4°F, set on December 23, 1989.
Data Coverage: Based on 56 years of data from NOAA weather station: RICHARDSON.

All-Time Record High

112°F

June 26, 1980

All-Time Record Low

-4°F

December 23, 1989

Monthly Temperature Records in Plano

Month	Record High	Record Low
January	84°F(1970)	5°F(1982)
February	95°F(1996)	-4°F(2021)
March	97°F(1974)	13°F(1980)
April	100°F(2006)	19°F(1991)
May	103°F(1985)	35°F(2013)
June	112°F(1980)	50°F(1970)
July	112°F(2018)	53°F(1970)
August	111°F(2011)	53°F(1989)
September	112°F(2000)	39°F(1983)
October	100°F(1979)	24°F(1993)
November	92°F(2017)	15°F(1976)
December	88°F(2005)	-4°F(1989)