ClimateAverages

Huntsville Climate

Alabama, United States of America · population 190,582 · 284 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
21.7°C
Warmest month · July
31.6°C
Typical daytime high
Coldest month · January
-1.4°C
Typical overnight low

Huntsville has an average annual daytime high of 21.7°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 31.6°C, and its coldest is January, with overnight lows near -1.4°C.

Month by month averages

MonthAvg highAvg low
January9.7°C-1.4°CColdest
February12.3°C-0.1°C
March16.7°C4.0°C
April22.5°C8.8°C
May26.4°C13.3°C
June30.1°C17.4°C
July31.6°C19.5°CWarmest
August31.6°C19.0°C
September28.6°C15.9°C
October22.8°C8.4°C
November16.4°C3.3°C
December11.5°C-0.0°C

Temperature range across the year

-3°6°15°24°34°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2016
+2.5°C vs. 1951–1980
Coldest year on record
1787
-3.0°C vs. 1951–1980

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

Is Huntsville getting hotter?

Since 1900, Huntsville's average temperature has risen by +1.8°C. Compared to the earliest station records that begin in 1750, warming totals +2.1°C.

14.7°15.3°15.9°16.5°17.1°1951–1980 baseline190019251950197520002025

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

Best time to visit
March to November

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

FAQ

What is the average temperature in Huntsville?

Huntsville's average annual daytime high is 21.7°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 31.6°C, and the coldest is January, with lows averaging -1.4°C.

What is the warmest month in Huntsville?

July is the warmest month in Huntsville, with typical daytime highs of 31.6°C.

What is the hottest year on record for Huntsville?

2016 is the hottest year on record for Huntsville, running +2.5°C above the 1951 to 1980 baseline.

Is Huntsville getting hotter?

Yes. Since 1900, Huntsville has warmed by roughly +1.8°C.

When is the best time to visit Huntsville?

March 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.