Merritt Island Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Merritt Island year round climate
Spring (March–May): Average 22.1–26.0°C, warm and comfortable climate, moderate rainfall. Common activities: Outdoor activities, birdwatching, boating. Recommended clothing: Light long-sleeved clothing, light jacket.
Summer (June–August): Average 27.4–28.8°C, hot and humid, higher rainfall. Common activities: Swimming, beach activities, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 25.1–27.8°C, mild climate, September has higher rainfall. Common activities: Outdoor activities, enjoying autumn scenery. Recommended clothing: Comfortable breathable long-sleeved or short-sleeved clothing, adjust clothing as needed.
Winter (December–February): Average 18.0–19.6°C, mild and comfortable, less rainfall. Common activities: Birdwatching, hiking. Recommended clothing: Light jacket, long-sleeved clothing.
Merritt Island climatological average
Annual average temperature: approx. 24°C / Annual rainfall: approx. 1281 mm / Summer humidity: 70%–80% / Rainiest month: September
Merritt Island monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
18°C
62.7
February
19.6°C
40.7
March
22.1°C
58.3
April
23.6°C
91.2
May
26°C
56.7
June
27.4°C
130.3
July
28.5°C
135.8
August
28.8°C
137.2
September
27.8°C
258.5
October
25.1°C
115.2
November
22.6°C
108.3
December
18.9°C
86.4
Merritt Island weather for the next seven days
12/7
Sunday
Sunny
26°C/19.5°C
12/8
Monday
Moderate rain
20.8°C/19.1°C
12/9
Tuesday
Patchy rain nearby
21.7°C/17°C
12/10
Wednesday
Patchy rain nearby
24.8°C/18°C
12/11
Thursday
Sunny
22.3°C/15.4°C
12/12
Friday
Patchy rain nearby
24.9°C/20°C
12/13
Saturday
Patchy rain nearby
17.2°C/12.9°C
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