ClimateAverages

Johns Creek Climate

Georgia, United States of America · population 83,335 · 344 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
21.5°C
Warmest month · July
30.9°C
Typical daytime high
Coldest month · January
-0.7°C
Typical overnight low

Johns Creek has an average annual daytime high of 21.5°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 30.9°C, and its coldest is January, with overnight lows near -0.7°C.

Month by month averages

MonthAvg highAvg low
January10.5°C-0.7°CColdest
February12.8°C0.3°C
March17.0°C4.2°C
April22.4°C8.6°C
May26.1°C13.1°C
June29.4°C17.1°C
July30.9°C19.2°CWarmest
August30.8°C19.0°C
September27.8°C16.1°C
October22.3°C9.0°C
November16.7°C3.9°C
December11.8°C0.3°C

Temperature range across the year

-3°6°15°24°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2016
+2.4°C vs. 1951–1980
Coldest year on record
1787
-2.8°C vs. 1951–1980

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

Is Johns Creek getting hotter?

Since 1900, Johns Creek's average temperature has risen by +1.7°C. Compared to the earliest station records that begin in 1750, warming totals +2.1°C.

14.7°15.3°15.8°16.4°17.0°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 Johns Creek?

Johns Creek's average annual daytime high is 21.5°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 30.9°C, and the coldest is January, with lows averaging -0.7°C.

What is the warmest month in Johns Creek?

July is the warmest month in Johns Creek, with typical daytime highs of 30.9°C.

What is the hottest year on record for Johns Creek?

2016 is the hottest year on record for Johns Creek, running +2.4°C above the 1951 to 1980 baseline.

Is Johns Creek getting hotter?

Yes. Since 1900, Johns Creek has warmed by roughly +1.7°C.

When is the best time to visit Johns Creek?

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.