Climate and monthly weather forecastSand Bluff, Cayman Islands
Climate and monthly weather forecast
The climate of Sand Bluff
Sand Bluff, located in the Cayman Islands, falls under the Aw category according to the Köppen climate classification, meaning it experiences a Tropical wet and dry or savanna type climate. The defining feature of this climate is the stark difference between the wet and dry seasons throughout the year.The monthly average temperature ranges between highs from 26.2°C (79.2°F) to 29.7°C (85.5°F), and lows from 24.9°C (76.8°F) to 28.6°C (83.5°F). The warmest period is between May to September with temperatures reaching 29.7°C (85.5°F). The cooler months range from November to March, where the temperatures may drop to 24.9°C (76.8°F). Relative humidity remains fairly constant, varying slightly from 74% to 79%.
Rainfall and cloud cover are also key features of Sand Bluff's climate, with monthly average rainfall amounts fluctuating from 24mm (0.94") to 159mm (6.26"). October marks the peak of rainfall, receiving approximately 159mm (6.26") over 26.5 days. The region also experiences moderate cloud cover, with the percentage of cloud cover varying from 28% to 41%.
Wind speeds vary from 17.2km/h (10.7mph) to 26.4km/h (16.4mph) on average, with the windiest months between November and January reaching speeds up to 26.4km/h (16.4mph). The pressure remains consistent throughout the year, with slight changes between 1011.7mb to 1016.3mb.
The Best Time to Visit Sand Bluff
Considering the consistently high temperatures and relative humidity, the optimal time to visit Sand Bluff would be during the drier months, from November to April. During these months, temperatures are relatively cooler, ranging from 26.1°C (79°F) to 27.2°C (81°F), and rainfall is at its lowest, varying between 24mm (0.94") to 57mm (2.24").The Worst Time to Visit Sand Bluff
Conversely, the worst time to visit would be during the wet season, specifically October, which records the highest rainfall of around 159mm (6.26") and 26.5 rainy days. Despite the higher temperatures from 28°C (82.4°F) to 29.4°C (84.9°F), the increased rain, humidity, and cloud cover during these months might lead to discomfort for some visitors.Spring Weather in Sand Bluff
Spring in Sand Bluff, spanning March to May, is marked by gradually increasing temperatures from 26.4°C (79.5°F) to 28.8°C (83.8°F). During this period, the humidity also experiences a slight increase, from 75% to 77%. Rainfall remains relatively moderate in spring, with amounts varying between 24mm (0.94") to 108mm (4.25").Summer Weather in Sand Bluff
Summer, stretching from June to August in Sand Bluff, experiences the highest temperatures, ranging from 28.3°C (82.9°F) to 29.7°C (85.5°F), and the highest humidity levels of the year, up to 79%. Rainfall during these months averages from 73mm (2.87") to 81mm (3.19"). This period has long daylight hours from 13.1h to 13.3h, and high UV index levels of 7.Autumn Weather in Sand Bluff
Autumn, from September to November, remains warm with temperatures from 28.5°C (83.3°F) to 28°C (82.4°F). The humidity levels hover around 75%, similar to spring. However, rainfall significantly increases during these months, reaching its annual peak of 159mm (6.26") in October.Winter Weather in Sand Bluff
Winter in Sand Bluff, occurring from December to February, is slightly cooler with temperatures from 26.1°C (79°F) to 26.3°C (79.3°F). Despite being the cooler part of the year, temperatures remain relatively high. Rainfall drops substantially during winter, with amounts varying from 28mm (1.1") to 57mm (2.24"). While the cloud cover remains relatively high, between 37% to 41%, the winter months see less daylight, from 11h to 11.5h.Weather in January
January in Sand Bluff, Cayman Islands starts the year with typical tropical warmth. While the temperatures remain relatively steady, an appreciable amount of rain is expected, as evidenced by the 45mm (1.77") recorded. The atmospheric pressure averages at 1016.3mb during this month. Weather in January »Weather in February
As speculations about spring begin to appear, February ushers in somewhat drier conditions in Sand Bluff. There is a drop in rainfall from 45mm (1.77") in January to 28mm (1.1") this month. Despite decreased rainfall, humidity levels keep the environment feel humid, adding a dimension to the warmth of the tropical climate. Weather in February »Weather in March
March manifests a continuation of the agreeable weather trends witnessed in February, but with few changes. Rainfall recedes further—measuring a slight 24mm (0.94"). Additionally, the intensity of daily sunshine strengthens, promising ample opportunities for daylight activities. Weather in March »Weather in April
In Sand Bluff, April weather signals an evident divergence in weather patterns. Showers rebound from 24mm (0.94") in March to a significant 36mm (1.42"). Yet, this enhancement does not substantially impact overall climatic conditions. Weather in April »Weather in May
The weather in May experiences a drastic transition, characterized by a leap in rainfall from 36mm (1.42") to a substantial 108mm (4.25"). As the year progresses, so too does the humidity level, contributed in part by the added rainfall. Weather in May »Weather in June
June brings about a weather shift in Sand Bluff with a progression of tropical warmth. While the amount of rain lessens to 81mm (3.19"), the temperatures and humidity tip higher, painting a clear summer picture. Even though the rainfall lessens, the rising heat can cause occasional showers. Weather in June »Weather in July
July in Sand Bluff, Cayman Islands retains its summery vibe with marginally rising temperatures and humidity levels. Weather extremes are largely absent in July, although rainfall inches up to 73mm (2.87"), marking it as a wetter month. Weather in July »Weather in August
August ushers in a high of 29.7°C (85.5°F)—a testament to the peak of Cayman Islands summer. This warmth combines with increased rainfall—rising to 76mm (2.99") and causing saturated, steamy conditions. However, the heat does not stifle recreational activities, as the daylight hours remain generous, and the winds continue to be pleasant. Weather in August »Weather in September
September initiates a gradual decline of the summer heat in Sand Bluff, although the decrease is hardly noticeable. September's notable attribute is the upsurge in rain with the month recording 81mm (3.19"). The balance between warmth, light, and rain adds a unique nuance to the Sand Bluff weather. Weather in September »Weather in October
October marks the pinnacle of the wet season in Sand Bluff, with rainfall accumulating to a significant 159mm (6.26"). This spike does not markedly diminish the warmth, as temperatures persist on the higher side of the scale. Despite the significant rainfall, a mix of humidity, sunshine, and wind conditions permit a variety of activities. Weather in October »Weather in November
In November, Sand Bluff weather commences an undeniable shift towards cooler, less humid conditions. Rainfall retreats from October's peak to a less severe 86mm (3.39"). The balance between cloud cover, sunshine, and wind conditions creates a desirable atmosphere for a range of activities. Weather in November »Weather in December
December concludes the year in Sand Bluff, Cayman Islands with cooler, more agreeable conditions. A palpable drop in temperatures alongside a commensurate dip in rainfall to 57mm (2.24"), paints the onset of winter. The gently dropping pressure value to 1015.2mb rounds off the climatic picture for the year. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sand Bluff, Cayman Islands
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is February (26.2°C).
The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).
Average pressure
Sand Bluff, Cayman Islands
- Average pressure in January:
1016.3mbar - Average pressure in February:
1016mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1013.6mbar - Average pressure in June:
1014mbar
- Average pressure in July:
1014.8mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1011.7mbar - Average pressure in November:
1013.4mbar - Average pressure in December:
1015.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1011.7mbar).
Average wind speed
Sand Bluff, Cayman Islands
- Average wind speed in January:
26.1km/h - Average wind speed in February:
24.7km/h - Average wind speed in March:
24.1km/h - Average wind speed in April:
20.7km/h - Average wind speed in May:
20.5km/h - Average wind speed in June:
21.8km/h
- Average wind speed in July:
19.2km/h - Average wind speed in August:
18.5km/h - Average wind speed in September:
17.2km/h - Average wind speed in October:
20.6km/h - Average wind speed in November:
25.8km/h - Average wind speed in December:
26.4km/h
The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is September (17.2km/h).
Average humidity
Sand Bluff, Cayman Islands
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is September (74%).
Average rainfall
Sand Bluff, Cayman Islands
The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days
Sand Bluff, Cayman Islands
- Average rainfall days in January:
19.6 days - Average rainfall days in February:
16.2 days - Average rainfall days in March:
16 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
21.3 days - Average rainfall days in June:
20.9 days
- Average rainfall days in July:
20.7 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
19.9 days - Average rainfall days in October:
26.5 days - Average rainfall days in November:
23.4 days - Average rainfall days in December:
20.6 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is March (16 days).
Average daylight / Average sunshine
Sand Bluff, Cayman Islands
- Average daylight in January:
11h and 6min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 18min
- Average daylight in July:
13h and 12min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 12min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
7h and 36min - Average sunshine in February:
8h and 24min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 6min - Average sunshine in December:
6h and 0min
The months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Sand Bluff, Cayman Islands
- Average sunshine days in January:
5.9 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
6.3 days - Average sunshine days in June:
4.9 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
8.8 days - Average sunshine days in September:
7.4 days - Average sunshine days in October:
3.1 days - Average sunshine days in November:
2.5 days - Average sunshine days in December:
4.3 days
The month with the most sunshine days is March (9.3 days).
The month with the least sunshine days is November (2.5 days).
Average UV index
Sand Bluff, Cayman Islands
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover
Sand Bluff, Cayman Islands
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility
Sand Bluff, Cayman Islands
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





