Climate and monthly weather forecast
Saint Martin, MS

Saint Martin, Mississippi, USA is characterized by a Cfa — Humid subtropical, no dry season climate according to the Köppen climate classification. This southern region of the United States, is situated in proximity to the Gulf of Mexico, which is a major influence on its weather trends.

The year-round average sea temperature varies from 56.5°F (13.6°C) in January to a peak of 86.5°F (30.3°C) in August. Similarly, the number of daylight hours oscillates between 10.2 hours in December and reaching a maximum of 14.1 hours in June. These fluctuations reveal a distinct pattern of perceiving more daylight in summer and considerably less in winter.

Unique to Saint Martin is its subtropical conditions, which do not have a dry season. January sees the coldest sea temperature, while August records the highest. In terms of daylight, June promises the longest days, while December provides the shortest daylight hours.

Given the climate patterns, one of the best periods to visit Saint Martin is during the spring and early summer months, namely from April to June. During this period, the sea temperature ranges from 71.5°F (21.9°C) to 84°F (28.9°C), making it ideal for water-based recreational activities. Besides, daylight hours range from 12.9 hours to 14.1 hours, offering sufficient time for sightseeing and other outdoor activities.

The second half of summer (July and August) and early fall might be less attractive to visitors. The sea temperature stays high, ranging from 86.3°F (30.2°C) to 86.5°F (30.3°C), which may not be comfortable for some visitors, especially those sensitive to heat. Additionally, the length of daylight starts to recede from its peak, signaling the onset of shorter days.

Spring in Saint Martin experiences an upward trend in climatic conditions. Sea temperatures increase from 56.5°F (13.6°C) to 71.5°F (21.9°C) from March to May. Concurrently, daylight hours expand from 12 hours to 13.7 hours, bestowing longer days and creating favorable conditions for outdoor activities.

Summer in Saint Martin is marked by high sea temperatures and lengthened daylight hours. Sea temperature peaks to 86.5°F (30.3°C) in August from 77.6°F (25.3°C) in June, indicating warm to hot conditions. Daylight extends up to 14.1 hours in June and descends gently to 13.2 hours by August, offering ample sunshine throughout the season.

Autumn witnesses a decline in both sea temperature and daylight hours. Sea temperature drops from 83.1°F (28.4°C) in September to 67.8°F (19.9°C) in November. Concurrently, the number of daylight hours diminishes from 12.3 hours in September to 10.6 hours by November, indicating the onset of shorter days.

Winter season in Saint Martin witnesses the coldest sea temperatures and shortest daylight hours. Sea temperature descends to the lowest at 56.5°F (13.6°C) in January from 60.6°F (15.9°C) in December. Daylight hours contract further to 10.2 hours in December, the fewest in the year, before slightly increasing to 10.4 hours in February.

Saint Martin encounters the coldest seas of the year in January with temperatures registering at 56.5°F (13.6°C). The chilly ocean conditions couple with limited daylight hours, making beach activities less appealing. Despite the cooler climes, the area, devoid of the bustling summer crowds, offers a serene atmosphere. Weather in January »

February signifies a slight shift in Saint Martin's weather as it transitions out of the depths of winter. Still, it's relatively cooler, the ocean has not warmed up considerably, indicating a notable contrast to the steamy summer months ahead. Weather in February »

As spring arrives, there's a noticeable shift in Saint Martin's weather during March. The sun shines longer, and the major chill in the sea begins to alleviate, preparing the way for the warm days ahead. The sea temperature in March realizes a significant increase, settling at 63.1°F (17.3°C) from winter's colder extremities. Weather in March »

In April, Saint Martin's weather operates as a bridge between spring and the impending summer season. The daylight hours prolong and the sea continues its warming trend. A considerable ocean upturn is notable, with temperatures peaking at approximately 71.5°F (21.9°C). Weather in April »

In May, Saint Martin truly begins to experience summer. Extended daylight hours coupled with warm sea temperatures make the beaches a centerpiece of outdoor activity. The mercury in the sea soars up to nearly 77.6°F (25.3°C), signaling the onset of the beach season. Weather in May »

June is a distinguishing month for Saint Martin in terms of weather, characterized by the longest daylight hours of the year. The increase in sunlight combined with an already warmed up sea from May, set the stage for an assortment of outdoor activities. Weather in June »

In July, Saint Martin experiences some of the highest sea temperatures, clocking a sweltering 86.3°F (30.2°C). Coupled with abundant daylight hours, the hot seas reinforce July's reputation as a high summer month. The city's beaches bustle with excitement, packed with sun worshippers and water sports enthusiasts. Weather in July »

August in Saint Martin continues the summer trend with high sea temperatures and prolonged daylight. The sea records the highest temperature of the year, reaching an astounding 86.5°F (30.3°C). The hot weather tends to maximize outdoor activity. Weather in August »

As the calendar flips to September, Saint Martin encounters the initial signs of the impending autumn. Although the sea temperatures remain high, hovering around 83.1°F (28.4°C), there is a noticeable decrease from the scorching summer heights. Weather in September »

October brings further cooling to Saint Martin, a telltale sign that summer is on its way out. The sea temperatures start to dip below the summer peaks, although they remain warm enough for water activities. The noticeable shift in weather signals the gradual transition from long, warm summer days towards the colder and shorter days of winter. Weather in October »

In Saint Martin, November marks the commencement of a more significant shift towards winter. While daylight hours become increasingly shorter, the sea temperatures also take a plunge, recording a downward trend to 67.8°F (19.9°C). Weather in November »

As the year bows out in December, Saint Martin confronts the onset of wintry weather. Decreased daylight hours and lower sea temperatures permeate the area. December sees the ocean temperature reach a stature of 60.6°F (15.9°C), quite a dip from November's average. Weather in December »