The climate of Roswell
Geographically placed in the southeast region of the United States,
Roswell,
Georgia, falls under the Köppen climate classification of Cfa. This classification indicates a humid subtropical climate, which in essence means no dry season throughout the year. The climate remains relatively stable, experiencing notable changes in temperature, humidity, and precipitation as the year progresses.
Adorned with mild winters and hot summers, Roswell showcases a rather balanced annual temperature spread. The average monthly temperatures typically range from 34.2°F (1.2°C) in
January to a high of 90.3°F (32.4°C) in
July. The relative humidity hovers roughly within a stable window of 68% to 77%, adding a near constant moist sensation to the air.
Rainfall in this area does not witness drastically fluctuating patterns, instead being distributed fairly consistently across all months. Nonetheless, the wettest month of the year is typically
August, receiving an average of 5.55" (141mm). Concurrently, Roswell is prone to fewer snowfall events with January experiencing an average of 1.18" (30mm), tapering down to essentially nil by the time
March concludes.
The duration of daylight varies from a minimum of 9.9 hours during
December to a maximum of 14.4 hours in
June, whereas sunshine hours descend between 5 hours in December to a high of 10.5 hours during July. A low ultraviolet (UV) index is observed during the winter months, rising to a peak value of 6 in the summer.
The best time to visit Roswell
Ideally, the best time to visit
Roswell can be considered to be during the late spring or early autumn period. From
May to
June and
September to
October, the city experiences a moderate climate with average high temperatures ranging from 72°F (22.2°C) to 83.8°F (28.8°C) and a tolerable level of humidity. The duration of daylight is also reasonably long, varying from 12.4 to 13.9 hours. Additionally, outdoor enthusiasts can enjoy relatively long sunshine hours, at least 8.5 hours per day. The exploration and enjoyment of outdoor activities are assured by a comfortable UV index level, never exceeding a value of 6.
The worst time to visit Roswell
The peak of the summer season extending from
July to
August can be the least favorable time for a visit to
Roswell. During these months, the city witnesses high temperatures, averaging 90.3°F (32.4°C) in July and 89.4°F (31.9°C) in August. Alongside, high humidity levels of over 70% can cause further discomfort. Despite these warm conditions, the city does see its highest rainfall, measuring about 4.92" (125mm) in July and 5.55" (141mm) in August. Consequently, this combination of factors can deter enjoyment of outdoor activities.
Spring weather in Roswell
Roswell enters its spring season in
March, bringing mild temperatures and more substantial rain. Average high temperatures start from 62.2°F (16.8°C) in March and top at 80.2°F (26.8°C) by the time
May rolls around. Rainfall rates accelerate from 3.54" (90mm) to 4.41" (112mm) during this period.
Summer weather in Roswell
Roswell epitomizes the typical southern US summer - hot and humid. From
June to
August, average high temperatures heighten from 87.4°F (30.8°C) to 90.3°F (32.4°C), then step down to 89.4°F (31.9°C). Evenings can still be warm, with the minimum temperature not going below 70.3°F (21.3°C). Moderate rainfall accompanies this season, adding to the humidity levels.
Autumn weather in Roswell
Autumn in
Roswell is characterized by moderate temperatures and decreased rainfall. The average high temperature drops from 83.8°F (28.8°C) in
September to a cooler 60.8°F (16°C) in
November. This period exhibits a decline in rainfall, bringing relief from the lingering summer humidity.
Winter weather in Roswell
Winter in
Roswell is generally mild with cooler temperatures and minimal snowfall. Temperatures navigate between an average high of 53.4°F (11.9°C) in
December and an average low of 34.2°F (1.2°C) in
January. Although snowfall is sporadic, the city does witness a slight accumulation averaging 1.18" (30mm) in January.
Weather in January
Expect some winter chills in the city of
Roswell,
Georgia, in
January. Although Georgia winters are typically mild, a brief snowfall is a possibility, with an average snowfall of 1.18" (30mm). The city experiences shorter daylight hours with maximum daylight at 10.2 hours, contributing to the slightly gloomy environment.
Weather in January »Weather in February
Moving forward to
February, the weather in
Roswell experiences an abrupt change. The month enjoys an increased average high temperature from 49.3°F (9.6°C) in
January to 54.5°F (12.5°C). Sunny spells start showing up more frequently, marking the end of the colder months.
Weather in February »Weather in March
Walking into
March,
Roswell transitions from winter to spring. Noticeable changes appear with average high temperatures escalating to 62.2°F (16.8°C). The spring bloom begins to show as the weather warms and daylight extends to 12 hours.
Weather in March »
Weather in April
While
April signifies the full onset of spring in
Roswell, it comes with slightly unpredictable weather conditions. It experiences an impressive escalation in the average high temperature up to 72°F (22.2°C). Blue skies over the city become more predominant, ensuring sunlit days.
Weather in April »Weather in May
May brings a touch of early summer in
Roswell, instantly shifting the weather scenario. There is a rapid spike in the temperature with the average high soaring to 80.2°F (26.8°C). Outdoor activities reach their peak as locals and tourists venture out to enjoy the sunny climate.
Weather in May » Weather in June
Entering into
June,
Roswell shakes off the spring coolness and embraces the summer warmth. The city experiences its hottest average high temperatures at 87.4°F (30.8°C). Water parks and pools around the city bustle with joyous laughter and thrills.
Weather in June »
Weather in July
July sets the benchmark for summer in
Roswell and experiences peak temperatures. The average high temperature reaches its utmost level at 90.3°F (32.4°C). The city witnesses blue skies and strong sunshine, but it also encounters the year’s highest rainfall, reaching 4.92" (125mm).
Weather in July » Weather in August
August in
Roswell offers a slightly cooler atmosphere compared to
July. The month observes a slight drop in the average high temperature to 89.4°F (31.9°C). Pools and water parks remain crowded, with locals and tourists seeking refuge from the intense sun.
Weather in August » Weather in September
Roswell in
September transitions into autumn, offering a more pleasant weather condition. The average high temperature further descends to 83.8°F (28.8°C), marking the end of intense summer heat. Autumnal gold and red hues begin to paint the city trees.
Weather in September »
Weather in October
October in
Roswell welcomes the fall in full swing. The city experiences a more significant drop in the average high temperature down to 72.3°F (22.4°C). Lush landscapes transform into sceneries of warm fall colors, offering breath-taking views.
Weather in October » Weather in November
November further accentuates the chill in
Roswell, indicating an approaching winter. There is a notable decline in average high temperature to 60.8°F (16°C). The town's foliage boasts brilliant shades of red, gold, and brown, presenting a picturesque view.
Weather in November » Weather in December
December concludes the year quietly in
Roswell, rolling back into winter. Temperatures plummet further with an average high temperature of 53.4°F (11.9°C). The festive spirit fills the town, with brightly lit streets and decorated homes.
Weather in December »