Climate and monthly weather forecast
Cayman Islands

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Flag of Cayman Islands
Flag of Cayman Islands

The climate of the Cayman Islands

The Cayman Islands, comprising three islands, are situated in the western Caribbean Sea. Their location, almost directly south of Cuba, lends them a tropical wet and dry climate, dominated by a balance of wet and dry seasons throughout the year. The average temperature hovers around 28°C (82.4°F), with slight fluctuations based on the season. The islands receive an average annual rainfall of 1600mm (62.99"), heavily concentrated in the traditional wet season from May to November. From December to April, the Cayman Islands experience a dry season, characterized by comparatively lower rainfall and cooler temperatures. The overall climate is heavily influenced by the surrounding Caribbean Sea, ensuring moderate, tropical conditions year-round, interspersed with occasional tropical cyclones.

The best time to visit the Cayman Islands

The best time to visit the Cayman Islands typically aligns with the dry season, extending from December to April. During this period, the islands experience less rainfall and slightly cooler temperatures, usually hovering around 25°C (77°F), making it ideal for outdoor activities. This season also coincides with the peak tourist season, so it is advisable to book accommodations in advance. One can witness vibrant events like the Cayman Cookout and the Cayman Carnival Batabano during this period.

The worst time to visit the Cayman Islands

The worst time to visit the Cayman Islands generally coincides with the hurricane season, running from June to November, with the peak activity occurring in September. These months, especially the latter part of the wet season, are characterized by heavy rainfall, high humidity, and the threat of tropical cyclones. Despite these challenges, off-peak travel during this period could offer cost advantages in terms of accommodation and other travel-related expenses.

Spring weather in the Cayman Islands

Spring, from March to May, is a transitional period in the Cayman Islands. March typically falls in the dry season, offering lower humidity and temperatures around 27°C (80.6°F). However, by April and May, the climate starts transitioning towards the wet season. Rainfall starts to increase, with May receiving an average rainfall of 130mm (5.12"), indicating the onset of the wet season. Despite the increasing humidity, the weather remains pleasantly warm.

Summer weather in the Cayman Islands

Summer, from June to August, in the Cayman Islands aligns with the onset of the wet season. These months experience increased rainfall, with August receiving the highest annual rainfall of approximately 190mm (7.48"). The average temperatures during these months hover around 30°C (86°F), and the humidity level rises. Despite being part of the hurricane season, the islands offer various indoor activities and water sports that can be enjoyed by visitors.

Autumn weather in the Cayman Islands

Autumn, from September to November, marks the peak of the hurricane season in the Cayman Islands. These months continue the pattern of the wet season, with high rainfall and humidity. The average temperature hovers around 29°C (84.2°F). Despite the possibility of tropical cyclones, this period also offers some stunning natural phenomena, including spectacular thunderstorms and potential for rare sightings of migratory bird species.

Winter weather in the Cayman Islands

Winter, from December to February, signifies the dry season in the Cayman Islands. These months witness a reduction in rainfall, with January being the driest month, receiving an average rainfall of approximately 40mm (1.57"). The average temperature during this period ranges between 25°C (77°F) to 27°C (80.6°F), offering a cooler and less humid climate. This pleasant weather makes it an ideal time for various outdoor activities and exploring the rich biodiversity of the islands.

Weather in January

January represents the middle of the dry season in the Cayman Islands and is typically characterized by its pleasant and relatively cooler temperatures. This month experiences some of the coolest temperatures of the year, with average temperatures ranging from 23°C (73.4°F) to 26°C (78.8°F). Weather in January »

Weather in February

February continues the dry season in the Cayman Islands, characterized by mild temperatures and low rainfall. Average temperatures during February slightly increase compared to January, ranging from 23°C (73.4°F) to 27°C (80.6°F). Weather in February »

Weather in March

March signals the transition towards the end of the dry season in the Cayman Islands, with a gradual increase in both temperatures and rainfall. Average temperatures during March range from 24°C (75.2°F) to 28°C (82.4°F), marking a slight increase from February and hinting at the onset of warmer months ahead. Weather in March »

Weather in April

April in the Cayman Islands brings the close of the dry season and introduces signs of the approaching wet season. The average temperature during this month increases slightly from the preceding month, ranging from 25°C (77°F) to 29°C (84.2°F). Weather in April »

Weather in May

May marks the beginning of the wet season in the Cayman Islands, with noticeable increases in both temperature and rainfall. Average temperatures during May range from 26°C (78.8°F) to 30°C (86°F), marking a continued warming trend from April. Weather in May »

Weather in June

June in the Cayman Islands is firmly situated in the wet season, experiencing an increase in both temperature and rainfall from the preceding month. The average temperature during this month ranges between 27°C (80.6°F) to 31°C (87.8°F), making it one of the hotter months of the year, only slightly cooler than July and August, the peak of summer. Rainfall during June sees another significant increase, with average precipitation reaching around 185mm (7.28"). Weather in June »

Weather in July

July in the Cayman Islands is characterized by the peak of the wet season, with temperatures and rainfall at some of the highest levels of the year. The average temperature during this month ranges from 28°C (82.4°F) to 32°C (89.6°F), marking July as one of the hottest months of the year, along with August. Rainfall in July sees a slight decrease compared to June, with average precipitation levels around 160mm (6.3"). Weather in July »

Weather in August

August in the Cayman Islands is a continuation of the wet season, exhibiting high temperatures and substantial rainfall. The average temperature during August ranges from 28°C (82.4°F) to 32°C (89.6°F), tying with July as the hottest months of the year. Weather in August »

Weather in September

September in the Cayman Islands marks the peak of the wet season, characterized by high temperatures and significant rainfall. The average temperature during September ranges from 28°C (82.4°F) to 31°C (87.8°F). Although slightly cooler than the peak summer months of July and August, the temperatures remain high, maintaining the hot, humid climate typical of the region. Rainfall in September sees another substantial increase from August, with average precipitation reaching about 220mm (8.66"). Weather in September »

Weather in October

October in the Cayman Islands signals the gradual transition from the wet to the dry season. The average temperature during this month ranges from 27°C (80.6°F) to 30°C (86°F), indicating a slight decrease from the peak temperatures experienced in the summer months. Rainfall in October remains significant, with average precipitation around 205mm (8.07"). Weather in October »

Weather in November

November marks the transition from the wet to the dry season in the Cayman Islands. The average temperature during this month ranges from 25°C (77°F) to 29°C (84.2°F), a significant decrease from the hot summer months, offering a more temperate climate that continues into the winter. Rainfall in November decreases considerably from October, with average precipitation dropping to 110mm (4.33"). Weather in November »

Weather in December

December in the Cayman Islands heralds the arrival of the dry season, with cooler temperatures and lower levels of rainfall. The average temperature during this month ranges from 24°C (75.2°F) to 28°C (82.4°F), offering a welcome respite from the heat and humidity characteristic of the previous months. Rainfall in December decreases even further from November, with average precipitation dropping to 60mm (2.36"). Weather in December »
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Cayman Islands

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