ClimateAverages

Flower Mound Climate

Texas, United States of America · population 71,253 · 288 weather stations within 200 km · records 1799 to 2025

Average annual daytime high
24.6°C
Warmest month · July
35.4°C
Typical daytime high
Coldest month · January
0.6°C
Typical overnight low

Flower Mound has an average annual daytime high of 24.6°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 35.4°C, and its coldest is January, with overnight lows near 0.6°C.

Month by month averages

MonthAvg highAvg low
January12.4°C0.6°CColdest
February15.4°C3.0°C
March19.8°C7.0°C
April24.6°C12.4°C
May28.3°C16.9°C
June32.8°C21.2°C
July35.4°C23.4°CWarmest
August35.4°C22.9°C
September31.5°C19.3°C
October25.9°C12.9°C
November18.8°C6.7°C
December14.4°C2.4°C

Temperature range across the year

-1°8°18°28°37°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.1°C vs. 1951–1980
Coldest year on record
1880
-1.9°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Flower Mound getting hotter?

Since 1900, Flower Mound's average temperature has risen by +2.0°C. Compared to the earliest station records that begin in 1799, warming totals +1.8°C.

17.6°18.2°18.9°19.5°20.2°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
February to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Flower Mound?

Flower Mound's average annual daytime high is 24.6°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 35.4°C, and the coldest is January, with lows averaging 0.6°C.

What is the warmest month in Flower Mound?

July is the warmest month in Flower Mound, with typical daytime highs of 35.4°C.

What is the hottest year on record for Flower Mound?

2023 is the hottest year on record for Flower Mound, running +2.1°C above the 1951 to 1980 baseline.

Is Flower Mound getting hotter?

Yes. Since 1900, Flower Mound has warmed by roughly +2.0°C.

When is the best time to visit Flower Mound?

February to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.