ClimateAverages

Lenexa Climate

Kansas, United States of America · population 52,490 · 258 weather stations within 200 km · records 1799 to 2025

Average annual daytime high
18.5°C
Warmest month · July
31.8°C
Typical daytime high
Coldest month · January
-7.8°C
Typical overnight low

Lenexa has an average annual daytime high of 18.5°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 31.8°C, and its coldest is January, with overnight lows near -7.8°C.

Month by month averages

MonthAvg highAvg low
January3.0°C-7.8°CColdest
February6.6°C-4.8°C
March12.0°C-0.2°C
April19.2°C6.6°C
May24.3°C12.2°C
June28.9°C17.2°C
July31.8°C19.7°CWarmest
August31.2°C18.7°C
September26.8°C14.1°C
October20.7°C7.6°C
November12.2°C0.8°C
December5.7°C-4.6°C

Temperature range across the year

-10°1°12°23°34°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.8°C vs. 1951–1980
Coldest year on record
1842
-2.8°C vs. 1951–1980

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

Is Lenexa getting hotter?

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

11.8°12.4°13.0°13.6°14.3°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to October

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

FAQ

What is the average temperature in Lenexa?

Lenexa's average annual daytime high is 18.5°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 31.8°C, and the coldest is January, with lows averaging -7.8°C.

What is the warmest month in Lenexa?

July is the warmest month in Lenexa, with typical daytime highs of 31.8°C.

What is the hottest year on record for Lenexa?

2011 is the hottest year on record for Lenexa, running +2.8°C above the 1951 to 1980 baseline.

Is Lenexa getting hotter?

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

When is the best time to visit Lenexa?

April to October 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.