Climate and monthly weather forecastRockley, Barbados
Climate and monthly weather forecast
The climate of Rockley
Rockley, Barbados is known for its Am type or Tropical Monsoon climate according to the Köppen climate classification. Its geographical position in the tropics contributes immensely to its overall weather. Evenly distributed throughout the year, high temperatures characterize the locality, with the monthly maximum temperature fluctuating between 28°C (82.4°F) and 31°C (87.8°F). Similarly, Rockley exhibits consistently high minimum temperatures ranging from 21°C (69.8°F) to 23°C (73.4°F).Rainfall patterns show a significant seasonality, escalating from the beginning of the year and reaching their peak between September and November with 178mm (7.01") and 177mm (6.97") respectively. Lower volumes of rainfall are more prevalent around February and March with 39mm (1.54") and 37mm (1.46") on average. Rainfall days are also highest from June to November, with the maximum going up to 18 days in July. This trend parallels the surge in the average volume of rainfall in those months.
Rockley boasts long hours of daylight, with the shortest day stretching 11.4 hours and the longest lasting 12.9 hours. It benefits from a healthy dose of sunshine hours that moderately oscillates between 7 hours and 9 hours. The UV index adheres to a steady pattern, maintaining high levels from 9 to 12 throughout the year.
The best time to visit Rockley
Visitors seeking sunny days and lower chances of rainfall would find the period from February to April attractive. During these months, rainfall is relatively lower, with a mere average of 8 rainfall days from February to March and 7 days in April. Furthermore, sunshine hours remain sturdy at 9 hours, whilst the UV index hovers around its yearly peak levels. One may wish to cool down in the sea, which offers consistent temperatures from 26°C (78.8°F) to 27°C (80.6°F).The worst time to visit Rockley
If high rainfall days and volumes are a concern, the period from September to November may not present optimal travel conditions. Rainfall intensity heightens during these months with an average volume exceeding 159mm (6.26") and up to 17 rainfall days monthly. However, those who find solace in rain might consider this a perfect time for experiencing Rockley during its monsoon season.Spring weather in Rockley
In Rockley, the spring season spanning from March to May is marked by a gradual increase in temperatures. Maximum temperatures climb from 30°C (86°F) to 31°C (87.8°F), while minimum temperatures vary from 21°C (69.8°F) to 23°C (73.4°F). Rainfall starts to escalate during this period, shifting from 37mm (1.46") in March to 57mm (2.24") in May alongside an increase in rainfall days from 8 to 10.Summer weather in Rockley
Typical of its tropical monsoon climate, Rockley's summer from June to August sees a significant rise in rainfall. Monthly rainfall averages range from 98mm (3.86") in June to a high of 154mm (6.06") in August. Rainfall days also peak during this period with up to 18 days in July. Despite the rain, maximum temperatures remain stable at 30 to 31°C (87.8°F), whereas minimum temperatures stand steady at 23°C (73.4°F).Autumn weather in Rockley
Autumn months - September, October, and November, showcase the highest volumes of rainfall for the year. Overall rainfall days remain high at 15 to 17 days, with an average monthly volume exceeding 159mm (6.26"). Concurrently, the temperature remains steady at a maximum of 30°C (86°F) and a minimum of 23°C (73.4°F) across these months.Winter weather in Rockley
Winter in Rockley extends over December, January, and February. During this time, rainfall significantly decreases and averages between 63mm (2.48") in December and 39mm (1.54") in February. Although rainfall days lessen from 14 days in December to 8 days by February, maximum temperatures hover around 28 to 29°C (84.2°F), and minimum temperatures fluctuate between 21°C (69.8°F) and 23°C (73.4°F). Consequently, these months provide a temperate journey amidst the tropical environs.Weather in January
Weather in Rockley, Barbados, commences the year on a warm note. Despite the welcoming warmth, occasional rain showers drape the city frequently, with rainfall reaching up to 63mm (2.48") throughout the month. Visitors will find the ocean waters quite inviting for a swim, offering a perfect respite from the balmy weather. Weather in January »Weather in February
As the calendar turns over to February, the city of Rockley gets ready to embrace a warmer and drier weather pattern. The rainfall drops significantly from January's 63mm (2.48"), making February a great time to explore the city's many attractions. Weather in February »Weather in March
In March, Rockley welcomes a raise in temperatures, signifying the advent of spring. The city witnesses a noticeable decrease in rainfall from the preceding month with the intense sun forcing rapid evaporation rates. This month allows visitors to bask in the warmth of Rockley's beaches by the calm azure waters under the steadily increasing daylight hours. Weather in March »Weather in April
April sees the gradual shift from dry to wetter weather in Rockley. The city receives an average rainfall of 45mm (1.77"), marking a slight upswing from March figures. The increase in showers does not deter the wanderers, as the rain is generally light and passing, leaving abundant time for outdoor activities. Weather in April »Weather in May
May is the threshold month in Rockley, as the city embraces an upswing in rainfall. With the showers gaining strength and frequency from April figures, locals and tourists can expect a change in the weather demeanor. The warmth continues to linger in the city; however, occasional showers provide a welcome respite. Weather in May »Weather in June
June in Rockley is characterized by significant showers, highlighting the peak of the wet season. The surge in rainfall from May is augmented by the highest UV index of the year, signaling caution for unprotected sun exposure. Amidst the showers, the temperature stays warm, and the sea continues to be comfortably heated, allowing for a refreshing swim. Weather in June »Weather in July
July brings with it the zenith of the wet season in Rockley, with rainfall amassing to 135mm (5.31"). Some of the heaviest showers are witnessed during this month, providing a distinctive spectacle of nature's prowess. Despite the heavy rain, the warm temperatures persist, and the sea remains tranquil. Weather in July »Weather in August
August in Rockley maintains the trend set by July, displaying high rainfall numbers and maintaining a warm temperature spectrum. The city receives a rainfall of 154mm (6.06"), one of the highest for the year. Apart from the copious rain, the months are characterized by warm, tropical temperatures, and calm sea conditions. Weather in August »Weather in September
September is the wettest month in Rockley, with a whopping 159mm (6.26") of rainfall. The sporadic sun and passing showers paint a picture of a typical tropical climate. Yet, these light showers interspersed with sunshine don't deter visitors from exploring the city's stunning beaches and vibrant streets. Weather in September »Weather in October
October in Rockley signifies the beginnings of a transition from monsoons to the drier winter months. With a slight decrease from the highest rainfall recorded in September, the city experiences a rainfall of 178mm (7.01"). The city radiates a buoyant aura, thanks to fewer showers and longer sunny intervals. Weather in October »Weather in November
November sees Rockley transitioning into the dry season. With the rainfall decreasing from October figures, locals and visitors can enjoy the delightful combination of seaside activities and urban adventures. Although the occasional showers are still a part of the weather, they do not drastically hamper outdoor plans. Weather in November »Weather in December
December in Rockley embodies a beautiful finish to the year with a significantly lower rainfall from November figures. The city shares its cheerful spirit with the bright sunshine and glistening seawaters. The temperature during December stays comfortably warm during the day and significantly cooler during the night. Weather in December »Updated: Jul 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Temperature records mark January as the coldest month, with highs averaging 28°C (82.4°F) and lows at 21°C (69.8°F).
Throughout the year, there are 156 rainfall days, and 1238mm (48.74") of precipitation is accumulated.
The months with the most sunshine are January, February, April and May, with an average of 9h of sunshine.
February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
The months with the highest UV index are February through September, with an average maximum UV index of 12.
The month with the least rainfall is March, when the rain falls for 8 days and typically collects 37mm (1.46") of precipitation.
Rockley's warmest period falls in May, June and August, when the average high-temperatures ascend to 31°C (87.8°F).
With an average of 12h and 54min of daylight, June has the longest days of the year.
The month with the warmest seawater is September, with an average sea temperature of 29°C (84.2°F).
The month with the most rainfall in Rockley is October, when the rain falls for 15 days and typically aggregates up to 178mm (7.01") of precipitation.
The month with the least sunshine is October, with an average of 7h of sunshine.
The month with the shortest days is December, with an average of 11h and 24min of daylight.
Rockley does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
With an average maximum UV index of 9, December is the month with the lowest UV index.
Average temperature
Rockley, Barbados
The warmest months (with the highest average high temperature) are May, June and August (31°C).
The month with the lowest average high temperature is January (28°C).
The months with the highest average low temperature are May, June, July, August, September, October and November (23°C).
The coldest months (with the lowest average low temperature) are January, February and March (21°C).
Average rainfall
Rockley, Barbados
- Average rainfall in July:
135mm - Average rainfall in August:
154mm - Average rainfall in September:
159mm - Average rainfall in October:
178mm - Average rainfall in November:
177mm - Average rainfall in December:
96mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is March (37mm).
Average rainfall days
Rockley, Barbados
- Average rainfall days in January:
13 days - Average rainfall days in February:
8 days - Average rainfall days in March:
8 days - Average rainfall days in April:
7 days - Average rainfall days in May:
10 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
16 days - Average rainfall days in September:
15 days - Average rainfall days in October:
15 days - Average rainfall days in November:
17 days - Average rainfall days in December:
14 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is April (7 days).
Average sea temperature
Rockley, Barbados
The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).
Average daylight / Average sunshine
Rockley, Barbados
- Average daylight in January:
11h and 30min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
The months with the most sunshine are January, February, April and May (Average sunshine: 9h).
The month with the least sunshine is October (Average sunshine: 7h).
Average UV index
Rockley, Barbados
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).
