Johns Creek weather by month

Average highs run from 52°F in January to 89°F in July, and January nights average 33°F. It gets 51 inches of rain and melted snow a year, with almost no snow. Expect about 53 days a year at 90°F or hotter. The most comfortable months are April to May and September to October.

Johns CreekGeorgiaPop. 80,401
Average monthly high and low temperatures and precipitation in Johns Creek20°30°40°50°60°70°80°90°100°5233Jan4.65636Feb4.56442Mar4.77349Apr3.98059May3.88666Jun4.78970Jul4.78869Aug4.58363Sep4.17351Oct3.46341Nov4.25436Dec4.4in.
Average daily high and low (°F) and precipitation (inches) each month, 1991-2020. The dashed line marks freezing (32°F). Shaded months are comfortable by our rule. Station: Atlanta Peachtree Airport, GA, 12.3 mi from the city center. Source: NOAA NCEI.

Best time to visit Johns Creek

For comfortable weather, go in April to May and September to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.

JanFebMarAprMayJunJulAugSepOctNovDec

Month by month

MonthHighLowPrecip.SnowWet daysDays 90°F+Nights below 32°FFeels
January52°F33°F4.6 in0.1 in7017cool
February56°F36°F4.5 in0.2 in7011cool
March64°F42°F4.7 in0.3 in704mild
April73°F49°F3.9 in0.0 in700mild
May80°F59°F3.8 in0.0 in720warm
June86°F66°F4.7 in0.0 in7110warm
July89°F70°F4.7 in0.0 in7170hot
August88°F69°F4.5 in0.0 in7160hot
September83°F63°F4.1 in0.0 in560warm
October73°F51°F3.4 in0.0 in400mild
November63°F41°F4.2 in0.0 in604mild days, chilly nights
December54°F36°F4.4 in0.0 in7013cool
Year72°F avg51°F avg51.4 in0.6 in775349

"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Atlanta Peachtree Airport, GA (USW00053863), 12.3 miles from the city center; snowfall from Cumming 2N, GA. Averages describe typical conditions, not a forecast.

Sunrise, sunset and daylight in Johns Creek

The shortest day is December 21, with 9h 53m of daylight; the longest is June 21, with 14h 25m. The earliest sunset comes around November 27 (5:27 pm) and the latest around June 29 (8:52 pm). The sun sets after 8 pm on 151 days a year.

6h9h12h15h18hJanuary 15: 10h 08m of daylightJanFebruary 15: 10h 59m of daylightFebMarch 15: 11h 57m of daylightMarApril 15: 13h 02m of daylightAprMay 15: 13h 56m of daylightMayJune 15: 14h 24m of daylightJunJuly 15: 14h 12m of daylightJulAugust 15: 13h 25m of daylightAugSeptember 15: 12h 23m of daylightSepOctober 15: 11h 20m of daylightOctNovember 15: 10h 23m of daylightNovDecember 15: 9h 54m of daylightDec
On the 15th ofSunriseSunsetDaylight
January7:42 am5:50 pm10h 08m
February7:21 am6:20 pm10h 59m
March7:47 am7:44 pm11h 57m
April7:05 am8:08 pm13h 02m
May6:35 am8:31 pm13h 56m
June6:25 am8:49 pm14h 24m
July6:36 am8:48 pm14h 12m
August6:58 am8:23 pm13h 25m
September7:20 am7:43 pm12h 23m
October7:42 am7:02 pm11h 20m
November7:09 am5:32 pm10h 23m
December7:35 am5:28 pm9h 54m

Calculated for 2026 at the center of Johns Creek with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.

Is Johns Creek getting warmer?

The last 10 years averaged 2.7°F warmer than the 20th century. See the climate stripes for Johns Creek.

Frequently asked questions

What is the warmest month in Johns Creek?

July is the warmest month, with an average high of 89°F and an average low of 70°F (NOAA 1991-2020 normals).

What is the coldest month in Johns Creek?

January is the coldest, with average lows of 33°F and highs of 52°F.

What is the rainiest month in Johns Creek?

July gets the most precipitation, 4.7 inches on average. October is the driest at 3.4 inches.

Does it snow in Johns Creek?

Very little. The normal yearly snowfall is under one inch.

When is the best time to visit Johns Creek?

For comfortable weather, April to May and September to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.

Thinking of moving to Johns Creek?

See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Johns Creek profile.

Compare the weather: Johns Creek vs Roswell, Johns Creek vs Sandy Springs, Johns Creek vs Atlanta, Johns Creek vs Mableton.