The climate of Gretna
Gretna,
Louisiana, is a place that carries the classification of Cfa under the Köppen climate system. This translates to a humid subtropical climate with no distinct dry season. Its geographical location being in the Southeastern United States, its climate illustrates a steady pattern of humidity and rainfall throughout the year, with highest average temperatures from
June to
August.
Examining the climatological parameters, there is a noticeable variation in the weather conditions throughout the year. Beginning with the temperatures, it can be observed that the warmest months range from June to August, where highs reach the peak at 89.4°F (31.9°C). On the converse, the cooler stretches are from
December to
February where the lows dip to 48.6°F (9.2°C).
Relative humidity ranges around 72% to 77%, maintaining a consistent level of moisture in the air. This reinforces the predominance of the humid subtropical climate of Gretna. The extent of rainfall is higher during the summer months;
July and August record from 1.46" (37mm) to 1.57" (40mm), the most significant volume in the year.
The occurrence of unique weather conditions or patterns cannot go unnoticed. The rainfall appears even in the driest months, estimating 0.43" (11mm) in
March and
April. The absence of snowfall during the entire year reaffirms the subtropical climate.
The best time to visit Gretna
When contemplating the best time to visit
Gretna, a few considerations factor into the decision. Ideal conditions for outdoor activities would require warm but bearable temperatures and relatively balanced rainfall. Following these criteria, the spring month of
April seems to offer inviting weather conditions. The temperature peaks hover around 77°F (25°C) and there is lesser rainfall, measuring 0.43" (11mm) on average. Gretna in April also records 9.9 hours of sunshine per day on average, indicating clear skies for most of the daytime.
The worst time to visit Gretna
Contrarily, the least favorable time to plan a visit to
Gretna would likely fall in the rainy and hot season. The month of
August claims the highest humidity of the year at 79.5°F (26.4°C) and experiences significant rain activity of 1.46" (37mm). These conditions can impact outdoor and recreational activities negatively, making August potentially the least accommodating period to travel to Gretna.
Spring weather in Gretna
Spring in
Gretna witnesses the transition from cooler to warmer temperatures. The high temperatures throughout the season rise steadily, starting at 60.4°F (15.8°C) in
February, reaching 70.7°F (21.5°C) in
March, and peaking at 77°F (25°C) in
April. It's a great reprieve from the chills of winter and the heat of summer. The rainfall hovers around 0.43" (11mm) on average, with about 6 to 8 rainfall days per month. The daylight hours gradually lengthen from 10.5 hours in February up to 12.9 hours in April, allowing for longer enjoyment of the delightful spring days.
Summer weather in Gretna
Hot and humid best describes the summer months in
Gretna.
June through
August see average high temperatures ranging between 82.9°F (28.3°C) to 89.4°F (31.9°C). It's important to note that rainfall also sees a significant increase during summer, recording from 0.87" (22mm) in June and peaking at 1.57" (40mm) in
July. Despite the high heat and humidity, holidaymakers can enjoy an average of 10.6 to 14.1 hours of daylight and about 10.6 hours of sunshine daily, offering ample time for sunbathing and water sports.
Autumn weather in Gretna
Autumn sees a cooling down with average high temperatures dropping from 86.5°F (30.3°C) in
September to 68.9°F (20.5°C) by the time
November comes around. Correspondingly, the average low temperatures decrease from 76.3°F (24.6°C) to 57.4°F (14.1°C).
Gretna experiences less frequent rainfall during these months, averaging 0.63" (16mm) by November. Sunshine hours reduce to approximately 6.1 hours daily, with daylight averaging 10.7 hours.
Winter weather in Gretna
Winters in
Gretna are generally mild and not excessively chilly. High temperatures range from 63.5°F (17.5°C) to 60.4°F (15.8°C) during
December and
February respectively. Even though the temperatures are mild, it's advisable to have warm clothing due to the relatively low temperatures that go down to 52.5°F (11.4°C) during the season. Rainfall is moderate, ranging from 0.79" (20mm) to 0.47" (12mm), and there is an absence of snowfall due to the subtropical climate. Despite the lower temperatures, the winter months provide an average sunlight exposure of around 5.1 hours and up to 10.3 hours of daylight.
Weather in January
A typical
January in
Gretna,
Louisiana, carries characteristics of a mild winter. Days are filled with cool, comfortable temperatures and nights come with a chilly breeze. Visibility stands steady at 6 miles, offering smooth commutation and travel for residents and tourists alike.
Weather in January »Weather in February
Weather in
February in
Gretna brings minor changes as compared to
January. The city experiences a welcome increase in temperature, making outdoor activities pleasant. February's earthy scent is further beautified with falling rain, as the city records the highest rainfall days of 7.1 in the year.
Weather in February »Weather in March
Progressing into
March,
Gretna sees a transition from cooler weather conditions to warmer days. This month sees an increase in sun exposure and longer daylight hours, affecting daily weather conditions. Changes in temperature and humidity have a direct effect on the city's rainfall, marking it lowest at 0.43" (11mm) for the year.
Weather in March »
Weather in April
Consistent weather improvements continue in
Gretna in
April. Residents enjoy a tinge of summer warmth as the sun shines brightly across the city. April shares the lowest amount of rainfall, at 0.43" (11mm), with
March, leading to drier conditions.
Weather in April »Weather in May
Come
May, and
Gretna gradually transitions into a summer setting. The city witnesses a substantial increase in daily temperatures, providing a warm break from the chilled winter months. Despite the heat, residents still experience rains, with a significant rainfall of 0.75" (19mm).
Weather in May »Weather in June
Gretna embraces the peak of summer temperatures during the month of
June. This change in weather, coupled with the longest daylight hours, makes June a month of big, bold and sun-drenched days. However, June differs from the preceding month and receives the most rainfall at 0.87" (22mm).
Weather in June »
Weather in July
Steady summer temperatures continue in
Gretna into
July. Alongside, the city receives the highest amount of rainfall, at 1.57" (40mm), making it the wettest month of the year. Despite increased rain showers,daily routines remain unhindered, thanks to a generous visibility of 6 miles throughout the year.
Weather in July »Weather in August
August in
Gretna closely mirrors
July, minus a small decrease in every element including temperature, rainfall, and daylight hours. The city, however, records the highest number of rainfall days at 17.2, making it a month of numerous rain showers.
Weather in August » Weather in September
September beckons the start of more clement weather in
Gretna with a decrease in temperatures. Decreased rainfall of 0.47" (12mm) signals drier days. Average sunlight hours start to decline, thus signaling the advent of autumn.
Weather in September »
Weather in October
October announces the arrival of a mellowed-down and pleasant fall in
Gretna. The city experiences a notable drop in temperatures, shifting away from the summer heat. Gretna's rainfall increases by half from the last month, reaching 0.94" (24mm).
Weather in October » Weather in November
November weather in
Gretna brings a cool departure from the warm and wet previous months. As temperatures continue to drop, the weather takes on a more winter-like feel. The rainfall stands at 0.63" (16mm), ushering in drier days ahead.
Weather in November » Weather in December
December rounds out the weather report in
Gretna, ending the year with chilly temperatures and a festive feel. The weather is the coolest from the entire year, with the lowermost low temperature recorded at 48.6°F (9.2°C). Rainfall levels rise slightly, reaching 0.79" (20mm), thus resulting in wet and cold weather.
Weather in December »