Cat Island Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Cat Island year round climate
Spring (March to May): Average 75–78°F, mild and comfortable climate with increasing rainfall. Common activities: Beach walks, water activities. Recommended clothing: Light long-sleeved clothing, shorts, sandals.
Summer (June to August): Average 81–83°F, hot and humid, with the most rainfall in June. Common activities: Swimming, sunbathing, water sports. Recommended clothing: Light and breathable clothing, swimwear, sun hat.
Autumn (September to November): Average 80–78°F, comfortable climate with gradually decreasing rainfall. Common activities: Snorkeling, diving, sightseeing. Recommended clothing: Light long-sleeved clothing, long pants, comfortable shoes.
Winter (December to February): Average 74–75°F, warm climate with moderate rainfall. Common activities: Beach walks, birdwatching. Recommended clothing: Light jacket, long pants, comfortable shoes.
Cat Island climatological average
Annual average temperature: approx. 78.8°F / Annual rainfall: approx. 862 mm / Summer humidity: 70%–80% / Rainiest month: June
Cat Island monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
74.8°F
41.8
February
74.5°F
30.1
March
75.2°F
48.8
April
75.9°F
48.3
May
78.1°F
78.6
June
81.1°F
138.6
July
83.5°F
71
August
83.5°F
70.3
September
83.3°F
73.9
October
81°F
108.8
November
79°F
68
December
75.9°F
84.5
Cat Island weather for the next seven days
12/19
Friday
Sunny
83.5°F/75°F
12/20
Saturday
Overcast
75.7°F/72.5°F
12/21
Sunday
Moderate rain
75.7°F/75°F
12/22
Monday
Patchy rain nearby
79°F/74.3°F
12/23
Tuesday
Patchy rain nearby
77.2°F/75.9°F
12/24
Wednesday
Patchy rain nearby
76.5°F/75.4°F
12/25
Thursday
Cloudy
75.9°F/75.2°F
KKday App
Your Best Travel Buddy
Use the code APP5OFF to enjoy an exclusive in-app deal of 5% off (cap at USD$3) on your 1st orderScan here to download the app