Climate and monthly weather forecastOld Man Bay, Cayman Islands
Climate and monthly weather forecast
The climate of Old Man Bay
Placed within the zone of a Tropical wet and dry climate, or savanna, according to the Köppen climate classification, Old Man Bay presents specific climatic characteristics. This geographic region on the Cayman Islands, exhibits a mix of old and new climate patterns.The fluctuations in temperature witnessed in Old Man Bay range from a low of 24.9°C (76.8°F) experienced around the third month, up to recurring highs reaching up to 29.7°C (85.5°F) during the eighth month. It does not shy away from displaying mild humidity throughout the year, with the rate only varying slightly, from 74% to 79%.
Rainfall does not present a consistent amount across the year. The driest period, with just 24mm (0.94"), can be observed in the third month, while downpours increase to a noteworthy 159mm (6.26") in the tenth month. Daylight duration, on the other hand, displays predictable alterations. Between 11 hours in the first month and 13.3 hours in the sixth month, the sunlight duration tends to remain fairly regular.
When examining the wind patterns, the data reveals that dough the difference might appear small, it is crucial. Wind speed sees a shift between the minimal value of 17.2km/h (10.7mph) and the maximal value of 26.4km/h (16.4mph).
Sunshine hours in Old Man Bay also go through cyclical changes. Starting off with 6 hours of sunshine in the opening month of the year, it reflects a tendency to rise, reaching a significant 10.6 hours during the fifth and seventh months, before taking a downturn again.
The best time to visit Old Man Bay
Regarding optimal overall weather conditions, the period between the fifth and seventh months makes for the most reliable time to visit Old Man Bay. This period, boasting average highs from 28°C (82.4°F) to 29.7°C (85.5°F) and relatively low rainfall (between 73mm (2.87") and 108mm (4.25")), enhances the enjoyment of outdoor activities. Coupled with maximal daylight hours (13.1 hours to 13.3 hours), and significant 10.5 hours to 10.6 hours of sunshine, it adds to the charm of this sun-splashed destination.The worst time to visit Old Man Bay
As for the least desirable time to visit this area, the tenth month, due to significantly high levels of precipitation peaking at 159mm (6.26"), coupled with a conspicuous drop in the number of sunshine hours to notably low 7.4 hours, comes into view. Added to the equation is a reduction in daylight hours down to 11.7 hours, framing altogether a far from appealing outlook for a visit at this point in time.Spring weather in Old Man Bay
Springtime climate in Old Man Bay is characterized by an average high temperature oscillating from 26.3°C (79.3°F) during the third month to a slightly higher 27.1°C (80.8°F) in the following month. Minimal precipitation ranging from 24mm (0.94") to 36mm (1.42") and wind speeds clocking between 24.1km/h (15mph) and 20.7km/h (12.9mph) also typify this period. Additionally, there is a visible increase in daylight hours from 12 hours to 12.6 hours, promoting a favorable environment for outdoor explorations.Summer weather in Old Man Bay
Summer season in Old Man Bay anticipates a noticeable rise in temperature, with the average highs transcending from 28°C (82.4°F) in the fifth month to 29.7°C (85.5°F) by the close of the eighth month. An upswing in the amount of rain can also be witnessed, reaching from 108mm (4.25") to 76mm (2.99"), accompanied by wind speeds relaxing between 20.5km/h (12.7mph) and 18.5km/h (11.5mph). Daylight reigns supreme during this phase, stretching from 13.1 hours to 12.8 hours amplifying the allure of the season's outdoor potential.Autumn weather in Old Man Bay
Come Autumn, Old Man Bay ceases from basking in the summer heat, with temperatures dipping to 29.4°C (84.9°F) and then further down to 28°C (82.4°F) by the tenth month. Notably, rainfall peaks within these months, specifically ballooning up to 159mm (6.26") in the tenth month. Wind speed fluctuates from 17.2km/h (10.7mph) to 20.6km/h (12.8mph), while the daylight period experiences a descent from 12.2 hours to 11.7 hours, indicating the seasonal change that's underway.Winter weather in Old Man Bay
Drawing the curtain on the year, Winter in Old Man Bay showcases a decrease in the mean high temperatures, landing initially on 28°C (82.4°F) and then steadily reducing to 27.2°C (81°F) by the end of the last month. A declining trend can also be seen in rainfall, diminishing from 86mm (3.39") to 57mm (2.24"). Winds, during this time, can be encountered at speeds from 20.6km/h (12.8mph) to 26.4km/h (16.4mph), with daylight varying just marginally from 11.2 hours to 11 hours, ushering in cooler and shorter days.Weather in January
January sees Old Man Bay, Cayman Islands, welcoming the new year with a balmy climate. This month shows slightly elevated humidity when compared to the preceding month of December. The typically Caribbean weather patterns are in full swing, with a decent amount of sunshine and mild breezes to keep things comfortable. Weather in January »Weather in February
In the shortest month of February, the weather at Old Man Bay begins to exhibit a slight transition. This period is categorized by lowered humidity compared to January, making this an ideal time for outdoor activities. As the month advances, a decrease in the speed of the wind brings a sense of calm. Weather in February »Weather in March
March in Old Man Bay, Cayman Islands, signals the arrival of spring, bringing about subtle changes in the climate. A marked decrease in cloud cover as compared to February results in clear skies, enhancing visibility. Furthermore, lesser rainfall in March offers ample opportunities for visitors to explore the beachside paradise unhindered. Weather in March »Weather in April
April's weather in Old Man Bay sees temperatures rising slightly when compared to March, indicating the advent of warmer days. While the beginning of the month might carry over some dry conditions from March, chalk it up to the increased rainfall towards the end of April. Weather in April »Weather in May
In May, weather patterns start to shift considerably in Old Man Bay. The early days of summer are indicated by the higher temperatures, offering travellers plenty of sunshine. The frequency and duration of sunny days are on the rise, marking the perfect time for ocean-related activities. Weather in May »Weather in June
June ushers in the true start of summer in Old Man Bay, Cayman Islands. This month reflects a balance between sunny summer days and the increase in rainfall characteristic of this season. The humidity is at its peak, offering a real feel of tropical climate. Weather in June »Weather in July
July in Old Man Bay offers the quintessential Caribbean summer experience with its warm weather and the most substantial rainfall. Nevertheless, despite this increase in rainfall, most of the days witness an adequate amount of sunshine and daylight. Weather in July »Weather in August
August sees a slight culmination of temperature in Old Man Bay when compared with that of July. Typical of this peak summer month, land and sea activities prove to be delightful under extended sunshine hours. Although the rainfall is relatively lower than that in the previous month, it does not bring much relief from the prevailing hot weather. Weather in August »Weather in September
September's weather offers slight relief from the peak summer heat in Old Man Bay, indicating the beginnings of autumn. Travellers can expect enjoyable, slightly cooler evenings and pleasant mornings. Occasional afternoon showers can be expected, a respite from the hot days. Weather in September »Weather in October
In October, the seasonal shift in Old Man Bay becomes more apparent with the weather gradually cooling down. However, bouts of heavy downpours can be expected due to the significant increase in rainfall compared to September. Despite this, bright and sunny mornings are common, allowing for a cheerful start to the day. Weather in October »Weather in November
November marks the end of the peak rainfall season in Old Man Bay, featuring milder weather conditions. The noticeable reduction in rainfall compared to October indicates the onset of the drier winters. Temperatures begin to dip steadily, providing relief from the typical Caribbean heat. Weather in November »Weather in December
December brings the cool Caribbean winter to Old Man Bay along with some remnants of November's wind gusts. The reduced rainfall and increased wind speeds make it a favourable time for wind sports enthusiasts. With fewer hours of raining and an increase in the sunny spells, visitors can plan their outdoor activities more predictably. Weather in December »Updated: Jan 24, 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
In Old Man Bay, Cayman Islands, during the entire year, the rain falls for 241.1 days and collects up to 854mm (33.62") of precipitation.
The month with the lowest UV index in Old Man Bay is January, with an average maximum UV index of 6.
February, recording an average high temperature of 26.2°C (79.2°F) and a low temperature of 25.2°C (77.4°F), is Old Man Bay's coldest month.
February through December, with an average maximum UV index of 7, are months with the highest UV index.
March is the month with the least rainfall in Old Man Bay. Rain falls for 16 days and accumulates 24mm (0.94") of precipitation.
The months with the most sunshine are May and July, with an average of 10.6h of sunshine.
June is the most humid month in Old Man Bay, Cayman Islands, with an average relative humidity of 79%.
June has the longest days of the year in Old Man Bay, with an average of 13h and 18min of daylight.
Old Man Bay registers the average highest temperatures during August, with peaks of 29.7°C (85.5°F) and lows of 28.6°C (83.5°F).
With an average relative humidity of 74%, September is the least humid month in Old Man Bay, Cayman Islands.
The month with the most rainfall in Old Man Bay is October, when the rain falls for 26.5 days and typically aggregates up to 159mm (6.26") of precipitation.
The month with the shortest days in Old Man Bay, Cayman Islands, is December, with an average of 11h and 0min of daylight.
Old Man Bay, Cayman Islands, does not observe Daylight Saving Time (DST). EST timezone is used throughout the entire year.
December has the least sunshine of the year in Old Man Bay, with an average of 6h of sunshine.
Average temperature
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, Cayman Islands
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is September (74%).
Average rainfall
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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
Old Man Bay, 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).
