Climate and monthly weather forecastCayo Santa María, Cuba
Climate and monthly weather forecast
The climate of Cayo Santa María
Cayo Santa María, a pristine island located in the northern part of Cuba, features a tropical savanna climate (Köppen climate classification: Aw) where overall weather conditions tend to experience a warmer and wetter climate throughout the year. Generally, temperatures keep a rather constant range between 18°C (64.4°F) and 32°C (89.6°F), revealing only a slight temperature difference. However, the monthly climatological parameters unveil a more comprehensive view of the island's climate.Warm weather persists all year round, with the highest temperatures peaking between May and October, where the mercury touches from 30°C (86°F) to 32°C (89.6°F). The lowest temperatures are observed from January to April and November to December, with the mercury dropping down to a range between 18°C (64.4°F) to 20°C (68°F). Rainfall patterns are also consistent, with a considerable amount of rainfall, particularly during the months extending from April to October.
Amid these months, the island experiences its wettest periods, receiving an average rainfall of above 100mm (3.94"), with October noted as the wettest month, receiving an average rainfall about 190mm (7.48"). Conversely, the dry months extend from November to March, with January and February being the driest months recording an average rainfall hovering around 35mm (1.38") to 39mm (1.54").
A unique characteristic of Cayo Santa María's weather includes the amount of daylight throughout the year. Daylight periods fluctuate from about 10.8 hours in December to 13.5 hours come June, while sunshine hours maintain a consistency of approximately 7 to 8 hours per day, providing ample sunlight throughout the year.
The best time to visit Cayo Santa María
Upfront planning could make visits to Cayo Santa María unforgettable. Ideal conditions for tourists are often found during the drier and slightly cooler months from November to April. During these months, the amount of rainfall remains on a lower side, averaging between 36mm (1.42") to 70mm (2.76") with approximately 5 to 7 days of rainfall, offering a good balance of sun and cooler weather.In this period, visitors will find temperatures ranging from a minimum of 18°C (64.4°F) to a maximum of 30°C (86°F). This duration also provides ample daylight up to 12.7 hours in April and about 7 to 8 hours of sunshine each day, providing plenty of opportunities for explorations and beach activities. UV index, although high, is slightly less menacing during this time, with it topping at 10 in March and dipping to 6 by December, suggesting a need for sun protection but not as severe as in other months.
The worst time to visit Cayo Santa María
Planning a visit to Cayo Santa María between May to October could prove taxing for some visitors. Rainfall increases dramatically during these months with the island receiving between 114mm (4.49") to 190mm (7.48") of rain. May to October is also characterized by a substantial increase in rainfall days, ranging from 11 to 16 days each month. High temperature and humidity compounded with heavy rains lead to less comfort for outdoor activities.Moreover, visitors could also be faced with blistering maximum temperatures extending from 31°C (87.8°F) to 32°C (89.6°F) during these months. The UV index reaches its peak of 12 between June to August, necessitating extra precautions for skin protection against intense solar radiation.
Spring weather in Cayo Santa María
Spring in Cayo Santa María is marked with noticeable changes in weather conditions. From March to May, average minimum temperatures show a slight rise from 19°C (66.2°F) to 20°C (68°F), while the maximum temperature follows a similar pattern, ascends from 28°C (82.4°F) to reach 31°C (87.8°F) by May. During this period, daylight hours extend up to 13.2 hours by May, with a consistent 8 hours of sunshine each day.This season, however, begins to witness a shift in the rainfall regime. While March remains relatively drier with 44mm (1.73") of rainfall, showers become more frequent by May with recorded rainfall reaching 171mm (6.73") on an average.
Summer weather in Cayo Santa María
Summer in Cayo Santa María, extending from June to August, is often characterized by hot and humid conditions. Average temperatures show little to no variation, maintaining a monthly average of 32°C (89.6°F) at peak and 23°C (73.4°F) at its lowest point. Coupled with high humidity during these months, the temperature might feel hotter than actual levels indicate.The island experiences a sharp increase in rainfall during these months with average precipitation moving upwards from 186mm (7.32") in June to 133mm (5.24") in August. Despite the rainfall, the island manages to maintain a constant 7 to 8 hours of sunshine each day, illuminating through most daylight hours which reach a maximum of 13.5 hours in June.
Autumn weather in Cayo Santa María
Autumn falls between September to November in Cayo Santa María, where the weather shows a subtle transition from the humid summer towards moderately cooler conditions. Temperatures descend from their summer highs to fluctuate between 23°C (73.4°F) to 29°C (84.2°F), providing a slightly better relief from vigorous summer heat.Balancing this relief, rainfall during these months remains significant. Recorded precipitation averages between 176mm (6.93") and 82mm (3.23"), with September and October classified as heavy rainfall months.
Daylight hours start to shorten around this period, reducing from 12.3 hours in September to 11.1 hours by November. However, a constant 7 hours of sunshine remains consistent, facilitating outdoor activities despite the rainy conditions.
Winter weather in Cayo Santa María
The winter season in Cayo Santa María spans from December to February. The island experiences slightly cooler temperatures with averages varying from 18°C (64.4°F) to 27°C (80.6°F). This drop in temperatures makes the climate rather enjoyable and comfortable.The rainfall during these months takes a sharp downturn, providing a much-drier weather with recorded precipitations ranging from 36mm (1.42") to 39mm (1.54"). The number of rainfall days is also comparatively lower during this period, ranging from 6 to 7 days each month.
While daylight hours during this season are at the lowest, they gradually increase from 10.8 hours in December to 11.4 hours in February. Concurrently, these months also see a consistent amount of daily sunshine at 7 hours. This combination of cooler temperatures and ample sunshine makes winter a very appealing time to visit Cayo Santa María.
Weather in January
Daily maximum temperatures in January average around a comfortable 27°C (80.6°F), not changing significantly from the previous month of December. The weather on the island paradise of Cayo Santa María remains pleasantly mild during this period, a prime time for outdoor activities. Weather in January »Weather in February
The shift from January to February in Cayo Santa María brings minute changes in the weather condition. With a gentle increase in daylight compared to January, the island exhibits more of the Caribbean sun. The sea continues to maintain an inviting temperature, leading to increased water-based activities. Weather in February »Weather in March
Stepping into March from February, a minor escalation in temperature is observed on Cayo Santa María. Daytime temperatures become slightly higher, hinting at the approaching summer. This period possibly marks the onset of the island's wetter months with a slight increase in rainfall. Weather in March »Weather in April
April brings with it a further escalation in both temperature and rainfall, the latter increasing significantly from 44mm (1.73") to 70mm (2.76") compared to March. This marks the transition to the warmer and wetter months in Cayo Santa María. Weather in April »Weather in May
Cayo Santa María in May experiences a spike in daily maximum temperatures, averaging 31°C (87.8°F). From the gentle warmth of April, May introduces the beginning of the hotter months on the island. This cycle is also marked by increased rainfall, but this doesn't deter the island's vibrant activities. Weather in May »Weather in June
Transitioning from May to June, Cayo Santa María witnesses its peak daylight hours. The island basks in the Caribbean sun, offering the longest period of sunshine yet. Apart from this, June strikes a balance between warmth, rainfall, and sunlight. Weather in June »Weather in July
Moving into July, temperatures in Cayo Santa María plateau at 32°C (89.6°F). This, alongside decreased rainfall compared to June, offers a pleasant change for vacationers. The sea temperature maintains its elevated warmth, making sea sport activities more popular. Weather in July »Weather in August
August's weather pattern in Cayo Santa María mirrors that of July with maximum temperature and rainfall maintaining their highs. The flow of sea breeze brings about a sense of tropical harmonization in the midst of summer. While the daytime temperature remains hot, the inland provides a fresh and exhilarating environment. Weather in August »Weather in September
Shifting from August to September, holidaymakers in Cayo Santa María experience the maximum rainfall of the year at 190mm (7.48"). This month demonstrates the tropical nature of the island as energetic showers alternate with periods of bright sunshine. Weather in September »Weather in October
In October, the temperatures in Cayo Santa María start to exhibit a gradual decline. The rain showers endure but lessen in comparison to September, easing the transition towards the drier months. The decrease in daylight mirrors the onset of the cooler season. Weather in October »Weather in November
With the arrival of November, Cayo Santa María begins to dress in a cooler climate. A decrease in rainfall from 190mm (7.48") in October to 82mm (3.23") signifies the onset of the drier months. As the year nears its end, the island perfectly blends comfort and beauty. Weather in November »Weather in December
December carries forward the climate trajectory of November in Cayo Santa María. The cooler air breathes a different life onto the island, bringing a soothing close to the year. Though it marks the commencement of winter in most parts of the world, here temperatures still average around a pleasant 27°C (80.6°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cayo Santa María, Cuba
The warmest months (with the highest average high temperature) are June, July, August and September (32°C).
The months with the lowest average high temperature are January, February and December (27°C).
The months with the highest average low temperature are June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January and February (18°C).
Average rainfall
Cayo Santa María, Cuba
- Average rainfall in January:
39mm - Average rainfall in February:
36mm - Average rainfall in March:
44mm - Average rainfall in April:
70mm - Average rainfall in May:
171mm - Average rainfall in June:
186mm
The wettest month (with the highest rainfall) is October (190mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days
Cayo Santa María, Cuba
- Average rainfall days in January:
7 days - Average rainfall days in February:
6 days - Average rainfall days in March:
6 days - Average rainfall days in April:
5 days - Average rainfall days in May:
11 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
15 days - Average rainfall days in September:
15 days - Average rainfall days in October:
16 days - Average rainfall days in November:
9 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is April (5 days).
Average sea temperature
Cayo Santa María, Cuba
The best months for swimming (with the highest average sea temperature) are June, July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (25°C).
Average daylight / Average sunshine
Cayo Santa María, Cuba
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
The months with the most sunshine are March, April, May, July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, June, September, October, November and December (Average sunshine: 7h).
Average UV index
Cayo Santa María, Cuba
The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).





