Climate and monthly weather forecast
Johns Creek, GA


The climate of Johns Creek

Marked by the Köppen climate classification as Cfa, Johns Creek in Georgia, USA experiences a Humid Subtropical climate with no dry season. This layout situates the town at southern latitudes, encased within temperate and humid zones. The presence of rainfall throughout the year and noteworthy temperature shifts highlights Johns Creek's seasonal contrasts.

About its yearly weather, Johns Creek encounters temperature highs ranging from 50°F (10°C) in January to the most extreme 88°F (31.1°C) in July. In contrast, the dismal lows demonstrate a minimum of 29°F (-1.7°C) in January to a maximum of 67°F (19.4°C) in July. The rainfall situation is fairly something remarkable; from January to December, 3.6" (91mm) to 5.5" (140mm) of monthly average rainfall bestow the town with a steady watery supply.

One can look into the sheer abundance of daylight that graces Johns Creek year-round. Daylight hours average from a low of 9.9 hours in December to a peak of 14.4 hours in June. Interesting is the peak of daylight in June, contrary to the common conception of longest days equating to the equinoxes.

The best time to visit Johns Creek

Making the trip to Johns Creek would be most beneficial between the months of April to June. These months present an embraced balance of pleasant temperatures and significant daylight hours. Temperature highs range from 71°F (21.7°C) to 84°F (28.9°C) and the sunlight visibility averages from 13.1 hours to 14.4 hours. A moderate amount of rainfall, ranging from 4" (102mm) to 4.6" (117mm) keeps the environment fresh and inviting.

The worst time to visit Johns Creek

Avoiding a visit to Johns Creek is advisable during the cold months of December to February. With temperatures plunging to lows between 29°F (-1.7°C) and 32°F (0°C) alongside shortest daylight hours spanning from 9.9 hours to 11 hours, this period offers a rather cold and less dynamic experience. Notwithstanding, these months only receive moderate rainfall intervals from 4.2" (107mm) to 5.3" (135mm).

Spring weather in Johns Creek

Spring delivers warm and inviting conditions to Johns Creek. The arrival of March welcomes temperate climatic shifts. Temperatures witness a steady rise from a high of 63°F (17.2°C) in March to 78°F (25.6°C) in May. Simultaneously, temperature lows present a climb from 38°F (3.3°C) in March to 54°F (12.2°C) in May. Spring’s weather evolution also unfolds an increase in daylight hours from 12 in March to 13.9 hours in May, combined with moderate rainfall spanning 4" (102mm) to 5.5" (140mm).

Summer weather in Johns Creek

Summers are hot in Johns Creek with temperature highs soaring from 84°F (28.9°C) in June to 88°F (31.1°C) in July, and falling slightly to 86°F (30°C) in August. Corresponding temperature lows offer contrasts, ranging from 62°F (16.7°C) in June to a peak of 67°F (19.4°C) in July, but fall again to 66°F (18.9°C) in August. Summer season proffers the most abundant daylight hours stretching from 14.4 hours in June to 13.4 hours in August. Interestingly, this timeframe sees a decrease in rainfall with amounts from 3.7" (94mm) in June to 4.3" (109mm) in August.

Autumn weather in Johns Creek

Autumn sees a mellowing down of temperatures with highs transitioning from 81°F (27.2°C) in September to 62°F (16.7°C) by November. Concurrently, temperature lows exhibit a course from 60°F (15.6°C) in September to a colder 39°F (3.9°C) in November. Daylight hours contract from 12.4 hours in September to 10.4 hours in November, and the rainy season recedes to 3.9" (99mm) to 3.7" (94mm) of monthly average rainfall.

Winter weather in Johns Creek

Entering the winter months of December to February, Johns Creek’s temperature highs experience a decline from 53°F (11.7°C) in December to 50°F (10°C) by February. The lows remain chilly, falling from 32°F (0°C) in December to a constant 29°F (-1.7°C) in January and February. Less sunlight bathes the town during winter, with daylight hours reducing from 9.9 hours in December to 10.2 hours in February. Despite the coldness, these months still receive moderate quantities of rainfall, from 4.2" (107mm) in December to 4.8" (122mm) by February.

Weather in January

The beginning of the year ushers in a significant drop in temperatures in Johns Creek, Georgia, compared to the milder climate experienced in December. January manifests itself with a unique blend of chilly winters coupled with a generous amount of daylight hours. Weather in January »

Weather in February

In contrast to January's piercing cold, the weather in February sees a mild increase in temperature, signaling the impending arrival of spring. Johns Creek experiences an average of 11 daylight hours, providing ample light for those who venture outside. Weather in February »

Weather in March

As the vestiges of winter recede, March brings noticeable warmth to Johns Creek. This month ushers in spring, and the weather resembles a combination of cool temperatures and ample daylight. Compared to February, both the temperatures and daylight hours increase, with the latter averaging at 12 hours. Weather in March »

Weather in April

April's weather marks the full arrival of spring in Johns Creek, with temperatures rising noticeably from March's cooler days. This month is synonymous with longer daylight hours, with an average length of 13.1 hours, providing residents ample opportunity to enjoy outdoor activities. Weather in April »

Weather in May

Welcoming summer, May offers a noticeable shift in climate with warmer weather setting in at Johns Creek. The variations in temperatures are quite extreme, streaking from 54°F (12.2°C) to 78°F (25.6°C), surpassing the more moderate climate in April. Weather in May »

Weather in June

June represents a typical summer month in Johns Creek, with the city experiencing its warmest weather. Longer daylight hours, reaching an annual peak of 14.4 hours, become an established pattern, and the city saturates itself in sunshine. Weather in June »

Weather in July

Residing in the heart of summer, July pushes the boundaries of warmth in Johns Creek. The city experiences its highest temperatures, peaking at 88°F (31.1°C) while remaining no less than 67°F (19.4°C), epitomizing the summer heat. Weather in July »

Weather in August

August weather in Johns Creek offers a slight respite, with temperatures dipping from their peak in July. The slightly lower temperatures do not temper the summer atmosphere, and the city continues to relish its sunny spirit. In terms of temperature, the city experiences a range of 66°F (18.9°C) to 86°F (30°C). Weather in August »

Weather in September

September introduces the prospects of autumn, with the weather in Johns Creek becoming noticeably milder than the summer months. The changing season results in shorter daylight hours, with the city experiencing 12.4 hours on average. Weather in September »

Weather in October

October's weather sees a shift in Johns Creek, as summer becomes a distant memory and the days grow shorter. The city starts to experience the delightful chill of fall with an average of 11.3 daylight hours. The dipping temperatures, ranging between 47°F (8.3°C) and 72°F (22.2°C), mark a noticeable decline from September and herald in the cooler climate. Weather in October »

Weather in November

November's weather indicates the steady encroachment of winter in Johns Creek, as temperatures continue to drop. Shorter daylight hours, now averaging at 10.4 hours, and colder temperatures characterize this month. A striking drop in temperatures can be felt, as they vary between 39°F (3.9°C) and 62°F (16.7°C), a big leap from October's warmer days. Weather in November »

Weather in December

December in Johns Creek welcomes the onset of winter, with temperatures plummeting from the relatively warmer November. The shortest daylight hours of the year, an average of 9.9 hours, adds to the crisp winter air, making the city colder. Weather in December »

Frequently asked questions

What month is the coldest in Johns Creek?

The coldest temperatures occur during January, when averages reach a peak of 50°F (10°C) and a low of 28.9°F (-1.7°C).

How much does it rain in Johns Creek?

During the entire year, Johns Creek aggregates up to 51.81" (1316mm) of precipitation.

What is the rainiest month in Johns Creek?

The month with the most rainfall is March, when 5.51" (140mm) of precipitation is typically aggregated.

When is Daylight Saving Time (DST) in Johns Creek?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Johns Creek, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When are the longest days in Johns Creek?

The month with the longest days is June, with an average of 14h and 24min of daylight.

What time of the year is the hottest in Johns Creek?

Johns Creek's temperature records reveal July as the warmest month, marked by average highs of 88°F (31.1°C) and lows of 66.9°F (19.4°C).

What is the driest month in Johns Creek?

The month with the least rainfall in Johns Creek, Georgia, is October, when 3.58" (91mm) of precipitation is typically aggregated.

What is the month with the shortest days in Johns Creek?

The month with the shortest days in Johns Creek, Georgia, is December, with an average of 9h and 54min of daylight.

Average rainfall
Johns Creek, GA

Average rainfall - Johns Creek, GA

The wettest month (with the highest rainfall) is March (5.5").
The driest month (with the least rainfall) is October (3.6").


Average daylight
Johns Creek, GA

Average daylight - Johns Creek, GA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).


Johns Creek, Georgia, USA

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