Climate and monthly weather forecast
Saint Kitts and Nevis

Saint Kitts and Nevis is a twin-island federation located in the Caribbean Sea. It is renowned for its warm, tropical climate with average annual temperatures around 26.2°C (79.2°F). The islands fall under the 'Aw' category of the Köppen-Geiger climate classification, designating a tropical savanna climate. There are variations in weather patterns, but the defining characteristic is a dry season contrasted with a wet season. The driest months usually record less than 60mm (2.36") of precipitation, thereby creating a marked difference between the two seasons. The total annual rainfall in Saint Kitts and Nevis stands at approximately 896mm (35.28"). Despite the relatively dry climate, the islands maintain lush greenery and stunning biodiversity, making them a beloved destination for nature enthusiasts.

The period from December to April is typically the best time to visit Saint Kitts and Nevis. This part of the year falls in the dry season, offering less rain and more sunshine, ideal for outdoor activities and beach relaxation. The average temperature ranges from 24°C (75.2°F) to 26°C (78.8°F), providing warm yet comfortable weather. The islands also attract visitors during this period due to the exciting cultural events such as Carnival (around Christmas and New Year) and the Saint Kitts Music Festival in June.

The months from July to November are generally considered the least favorable time to visit Saint Kitts and Nevis due to the Atlantic Hurricane Season. Even though the islands are situated in the southern part of the hurricane belt and are often spared direct hits, they can still experience increased rainfall, strong winds, and occasionally, tropical storms. Moreover, the humidity levels rise during these months, which some visitors may find uncomfortable.

In Saint Kitts and Nevis, the spring season, generally from March to May, experiences pleasant weather with an average temperature of 25°C (77°F). There are fewer crowds during this period, making it an excellent time for visitors who prefer a more relaxed atmosphere. The spring season is also when the annual Nevis to Saint Kitts Cross-Channel swim event takes place, attracting athletes from around the world.

Summers, from June to August, in Saint Kitts and Nevis are characterized by slightly higher temperatures, usually between 27°C (80.6°F) to 29°C (84.2°F), and increased humidity. June marks the start of the rainy season, but rainfall is usually short-lived and does not tend to disrupt activities. This period also hosts the Saint Kitts Music Festival, an event that attracts international performers and tourists alike.

Autumn, from September to November, is the wettest period in Saint Kitts and Nevis, with the highest rainfall usually occurring in September and October. This period coincides with the peak of the Atlantic Hurricane Season. Temperatures during the autumn months are relatively high, usually around 26°C (78.8°F) to 28°C (82.4°F), and the humidity level also remains high.

The winter season, from December to February, is the driest and most popular period for tourism in Saint Kitts and Nevis. The weather remains warm, with temperatures typically ranging from 24°C (75.2°F) to 26°C (78.8°F). This season provides an excellent opportunity to explore the islands' beaches, historic sites, and natural beauty under clear skies and comfortable temperatures.

January is part of the dry season in Saint Kitts and Nevis and is one of the cooler months, with average temperatures generally between 24°C (75.2°F) to 26°C (78.8°F). This comfortably warm climate makes the twin-island federation a popular destination for tourists seeking to escape colder climates. Weather in January »

In Saint Kitts and Nevis, February continues the pleasant trend started in January. With temperatures ranging from 24°C (75.2°F) to 26°C (78.8°F), February is among the cooler months, presenting a comfortably warm environment for visitors and residents alike. Compared to January, February sees a marginal decrease in rainfall, making it one of the driest months of the year. Weather in February »

The idyllic weather continues in Saint Kitts and Nevis in March, with temperatures slightly rising to an average range of 24°C (75.2°F) to 27°C (80.6°F). This increase marks the gradual transition from the cooler winter months to the warmer summer ones, but the climate remains highly comfortable for visitors and locals. Rainfall in March sees a small increment from February, though it stays relatively low at 60mm (2.36"), marking the continuation of the dry season. Weather in March »

April in Saint Kitts and Nevis signals the transition from the dry season to the wet season, although rainfall levels remain moderate, averaging 70mm (2.76"). This precipitation is a slight increase from March but still low enough to not drastically affect outdoor activities. Temperatures in April rise slightly compared to the earlier months, averaging between 25°C (77°F) to 28°C (82.4°F). Weather in April »

May in Saint Kitts and Nevis brings about a more noticeable shift in the climate as the islands transition further into the wet season. Rainfall increases quite significantly from April, reaching an average of 100mm (3.94"). This uptick in precipitation marks the start of the wetter months but does not tend to be disruptive to outdoor activities as rain showers are often brief and sporadic. The average temperature in May ranges from 26°C (78.8°F) to 29°C (84.2°F), indicating a continued warming trend as the islands move closer to the peak summer months. Weather in May »

June marks the onset of the summer season in Saint Kitts and Nevis, with average temperatures hovering between 27°C (80.6°F) to 30°C (86°F). The warmth of June is counterbalanced by refreshing trade winds, which blow predominantly from the east, providing some cooling relief to the summer heat. Rainfall increases slightly from May, averaging 110mm (4.33"), indicating the progression of the wet season. Weather in June »

In July, the tropical climate of Saint Kitts and Nevis becomes more pronounced with temperatures averaging between 27°C (80.6°F) to 31°C (87.8°F). This is among the warmest periods of the year, but the heat is often moderated by the trade winds, making the temperatures quite bearable. Rainfall in July sees a decrease compared to June, averaging 90mm (3.54"), despite the ongoing wet season. Weather in July »

August in Saint Kitts and Nevis sees the peak of the tropical summer season. Temperatures during this month range between 27°C (80.6°F) to 31°C (87.8°F), making it one of the hottest periods of the year. However, the consistent trade winds that blow across the islands help to alleviate the heat, maintaining a pleasantly warm climate. Rainfall in August sees a small increase, averaging 100mm (3.94"). Weather in August »

September in Saint Kitts and Nevis heralds a slight shift in the climate as temperatures begin to decrease slightly, averaging between 26°C (78.8°F) to 30°C (86°F). Although it is still the warm part of the year, the heat becomes less intense compared to the peak summer months. Rainfall in September increases to approximately 120mm (4.72"), marking the progression of the wet season. Weather in September »

October in Saint Kitts and Nevis is characterized by a further shift in the climate as temperatures continue their descent, ranging between 25°C (77°F) to 29°C (84.2°F). Despite this decrease, the islands still experience a warm tropical climate. Rainfall sees a significant increase in October, reaching an average of 150mm (5.91"), marking the peak of the wet season. Weather in October »

November in Saint Kitts and Nevis signals a transition towards the drier season, although the climate remains distinctly tropical. Temperatures during this month average between 24°C (75.2°F) and 28°C (82.4°F), a slight reduction from the October averages, providing a more comfortable climate for exploration and relaxation. Rainfall in November sees a decrease compared to the October peak, averaging 130mm (5.12"). Weather in November »

In December, Saint Kitts and Nevis welcome the drier season, with a further decline in temperatures that average between 23°C (73.4°F) and 27°C (80.6°F). The tropical heat mellows, providing a pleasant atmosphere for visitors to explore the islands' attractions comfortably. Rainfall in December reduces significantly to approximately 100mm (3.94"), marking a substantial departure from the wet season. Weather in December »