Old Man Bay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Old Man Bay.
Climate overview of Old Man Bay
Old Man Bay, Cayman Islands, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 29°C (84°F), peaking in August at 31°C (88°F) and dipping in January to 27°C (81°F).
Rainfall is high, totalling around 1055 mm (42 in) per year. October is the wettest month and February the driest. The city also experiences a distinct dry season from January to April. The most sunshine falls in July, with an average of 10.7 hours of daily sunshine.
Old Man Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Old Man Bay — and find the best time to visit.
Monthly Temperature in Old Man Bay
With minimal seasonal shifts, Old Man Bay experiences a constant climate year-round. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a comfortable 27°C (81°F) during cooler months like January.
At night, you can expect temperatures ranging from 28°C (82°F) in August to around 25°C (77°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Old Man Bay
Old Man Bay has a notably wet climate with abundant precipitation, recording 1055 mm (42 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 224 mm (8.8 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month February brings less rainfall, with 23 mm (0.9 in) over 8 rainy days. For more details, please visit our Old Man Bay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Old Man Bay
While the amount of sunshine in Old Man Bay varies throughout the year, all seasons offer their own charm. Enjoy up to 10.7 hours of daily sun in July, and experience slightly darker atmosphere in November, with about 7.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Old Man Bay
The mean water temperature over the year ranges from 27°C (81°F) in January to 30°C (86°F) in August.
Water temperature over the year
Humidity in Old Man Bay by Month
The relative humidity is high throughout the year in Old Man Bay.
The city experiences its highest humidity in September, reaching 79%. In March, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Old Man Bay
It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings.
Note that October has the heaviest precipitation of the year. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Old Man Bay
What is the best time to visit Old Man Bay?
January, February, March, April and December typically offer the most optimal weather in Old Man Bay. In contrast, October tends to have less optimal conditions. Old Man Bay has a distinct dry season from January to April.
What temperatures can I expect in Old Man Bay?
Daytime highs range from 27°C (81°F) in January to 31°C (88°F) in August. Nighttime lows range from 25°C (77°F) to 28°C (82°F). Temperatures stay relatively stable year-round.
How much rain does Old Man Bay get?
Annual rainfall is around 1055 mm (42 in). October is the wettest month with 224 mm (8.8 in), while February is the driest with 23 mm (0.9 in).
How sunny is Old Man Bay?
Old Man Bay receives around 3,050 hours of sunshine per year. July is the sunniest month with 322 hours, while November is the cloudiest with just 210 hours. Overall, Old Man Bay enjoys abundant sunshine.
Old Man Bay 3-Day Forecast
Old Man Bay 3-Day Forecast
Old Man Bay on the map
Old Man Bay is highlighted — select any city to see its climate.
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