The climate of Saint Marys
Saint Marys in
Georgia, USA is predominantly characterized by a humid subtropical climate without a dry season - a condition classified as Cfa under the Köppen climate classification system. This climatic condition is largely influenced by the city's geographical positioning. Throughout the year, temperatures in Saint Marys display a significant annual range. The lowest average monthly temperature, 47.7°F (8.7°C), typically occurs in
January, while the highest, averaging 90.1°F (32.3°C), is usually in
July.
Humidity is fairly consistent through the year, typically averaging between 71% to 77%. This creates a humid environment that is characteristic of Saint Marys. The number of rainfall days varies noticeably, from a minimum of 8.3 in
February to a maximum of 23.9 in
August. The incorporation of this data paints a picture of a locale in which certain months are more rainfall-inundated than others.
The highest average rainfall, 3.9" (99mm), is recorded in August. The lowest, 0.67" (17mm), occurs in January. Discrepancies in rainfall figures evoke a rhythm within Saint Marys's climatic pattern; a melody of the driest months giving way to the wettest. Snowfall, however, is a rare occurrence in Saint Marys. Monthly averages on sunshine hours span from 5.8 hours in
December to 10.9 in July. Being the most pervasive element in this climatic ensemble, sunshine hours are in direct correlation with the number of sunshine days and UV index, both of which are highest from
June to July.
The best time to visit Saint Marys
The optimal period for visiting
Saint Marys,
Georgia largely depends on personal preference regarding climate conditions. However, for those who relish moderate temperatures and plentiful sunshine, it is advisable to visit between
April and
May. During these months, temperatures fluctuate from a modest 62.4°F (16.9°C) to 71.1°F (21.7°C). This is complemented by between 9.4 to 10.6 hours of daily sunshine. A relatively low number of rainfall days, roughly ranging from 11.2 to 13 days, further appeals to the preferences of most tourists.
The worst time to visit Saint Marys
Conversely, those planning a visit to
Saint Marys may want to avoid the peak of the summer from
June through
August. These months are characterized by extremely high temperatures with averages soaring to between 88.3°F (31.3°C) and 90.1°F (32.3°C). Additionally, humidity levels are at their highest, which, in combination with high temperatures, can result in discomfort. The months of June,
July, and August also record the highest average rainfall, spanning from 3.19" (81mm) to 3.9" (99mm).
Spring weather in Saint Marys
Spring in
Saint Marys,
Georgia, which spans from
March through
May, forecasts moderate temperatures between 55.4°F (13°C) and 71.1°F (21.7°C). Spring unveils an increase in daily sunshine hours with averages hovering from 8 to 9.4 hours. Correspondingly, the UV index climbs, reaching up to 6 in May. Rainfall during this period follows an upward trend, increasing from 0.98" (25mm) to 1.42" (36mm) from March to May.
Summer weather in Saint Marys
June marks the beginning of summer in
Saint Marys. Temperature values surge markedly from 83.7°F (28.7°C) in June to 90.1°F (32.3°C) in
July. Meanwhile, the city experiences its highest levels of humidity, rising to as much as 77% in
August. Summer in Saint Marys sees a drastic increment in rainfall. June initiates the wet phase with an average of 3.19" (81mm) which agonizingly inflates to 3.9" (99mm) in August.
Autumn weather in Saint Marys
Autumn graces
Saint Marys in
September with temperatures gradually tapering from 85.8°F (29.9°C) in September to 70.7°F (21.5°C) in
November. Concurrently, average daylight hours decline from 12.3 in September to a mere 10.6 in November. A notable downward trend is also evident in the number of rainfall days, which diminish from 18.5 in September to 8.5 by November.
Winter weather in Saint Marys
Winter occupies the final chapter of the annual climatic saga in
Saint Marys. A characteristic trait of this season is the relatively mild temperatures from 52.5°F (11.4°C) to 47.7°F (8.7°C). During this period, rainfall is less frequent, with averages sidelined between 1.1" (28mm) and 0.67" (17mm). The number of daylight hours descends to its annual nadir of 10.2 hours in
December. Correspondingly, winter in Saint Marys records the shortest sunshine duration with only 5.8 hours in December. Despite the chilly atmosphere, the city remains interestingly devoid of snowfall all year round.
Weather in January
Saint Marys,
Georgia, commences the year with relatively cool conditions. A slower pace sets in as the winds drop marginally from
December's. Skies in
January tend to be more cloud-covered than in December. The days are short, with less sunshine and daylight hours than the later months.
Weather in January » Weather in February
February initiates a subtle shift towards spring. The winds ease up slightly more, and relative humidity levels pick up from the first month of the year. Despite the slightly higher cloud coverage, daylight hours start to extend, hinting at incoming spring.
Weather in February » Weather in March
March in
Saint Marys,
Georgia, signals more noticeable spring features. Rainfall increases from the previous month, with brief showers adding to the charm of the city. In contrast to
February, cloud coverage decreases, offering clearer skies.
Weather in March »
Weather in April
April delivers a pronounced switch to warmer conditions. Following
March, the humidity remains relatively consistent, ensuring a comfortable atmosphere. Simultaneously, the combined reduction in cloud coverage and an increased number of sunlight hours make for appealing spring days.
Weather in April » Weather in May
May embraces full-blown spring in
Saint Marys,
Georgia. Even though there's a slight decline in wind speed from
April, the breezes maintain a comforting freshness. Rainfall levels rise, nurturing the verdant surroundings. The UV index peaks, calling for some sun protection.
Weather in May » Weather in June
June marks the onset of summer. In contrast to
May, the number of days with significant rains escalates dramatically. Surprisingly, June sees an increase in daily sunshine with longer daylight hours. While the UV index remains high, reflecting the intensity of the summer sun, temperatures average between 73.9°F (23.3°C) and 88.3°F (31.3°C), marking this as the start of the hottest period. May's transformation into June witnesses an average high-temperature of a hot 88.3°F (31.3°C), noting a minor change from the preceding month.
Weather in June »
Weather in July
July stands as the pinnacle of high summer in
Saint Marys. The humidity, rainfall and cloud coverage all increase from
June, contributing to a distinct sultry climate. The UV index stays constant, reinforcing the hot conditions. Despite shorter daylight hours, the strong sun brings plenty of heat with temperatures registering between 76.3°F (24.6°C) and 90.1°F (32.3°C), the hottest for the year. July is the month when Saint Marys's temperatures reach their peak, with averages of 90.1°F (32.3°C) and lows of 76.3°F (24.6°C). The average heat index in July is evaluated at an extremely hot 109.4°F (43°C).
Weather in July » Weather in August
August holds on to the summer weather pattern despite showing signs of transition into autumn. Weather parameters remain relatively constant with
July; however, daylight hours start to recede. Though sunshine hours decrease slightly, the UV index remains high.
Weather in August » Weather in September
September marks the shift into autumn. The weather starts to cool down, and rainfall reduces significantly from
August, lending a drier climate. Cloud coverage begins to increase, yet the daylight and sunshine hours endure, granting sufficient warmth.
Weather in September »
Weather in October
October in
Saint Marys,
Georgia sees continued cooling. Average wind speeds pick up from
September, bringing a refreshing contrast to the preceding months' calm. Humidity and cloud coverage remain steady, while the UV index falls, indicating lesser sun strength.
Weather in October » Weather in November
November further advances the trend of cooling temperatures. The rainfall reduces dramatically compared to
October, paving the way for drier days. Sunshine hours continue to fall, leading to shorter days. A rise in the mean wind speed is also observed.
Weather in November » Weather in December
December welcomes winter with a significant drop in temperature. There's an increase in cloud coverage from
November, lending to gloomier skies. The humidity continues to rise, albeit the month receives less rainfall. As the end of the year approaches,
Saint Marys experiences the colder side of the spectrum with temperatures swinging from 52.5°F (11.4°C) to 65.5°F (18.6°C). The advent of December presents an average high-temperature of an enjoyable 65.5°F (18.6°C), maintaining a close correlation with the preceding month.
Weather in December »