Castway Cay Weather

 

Month	Average High	Average Low	Average Precipitation
Jan	74°F	64°F	2.0 in.
Feb	74°F	64°F	1.6 in.
Mar	77°F	66°F	1.4 in.
Apr	80°F	69°F	1.6 in.
May	83°F	73°F	4.3 in.
June	86°F	77°F	4.3 in.
July	88°F	79°F	3.8 in.
Aug	88°F	78°F	4.4 in.
Sep	87°F	77°F	6.2 in.
Oct	84°F	73°F	7.4 in.
Nov	80°F	69°F	2.6 in.
Dec	76°F	65°F	2.2 in.

Click here for current weather conditions.

The island is cooled by the prevailing southeasterly Tradewinds in the summer and warmed by the surrounding waters and the Gulfstream in the cooler months.

Hurricanes are rare but can happen. Hurricane season is from July to November, with the highest probability being in early September.