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 71–78°F, warm and comfortable climate, moderate rainfall. Common activities: Outdoor activities, birdwatching, boating. Recommended clothing: Light long-sleeved clothing, light jacket.
Summer (June–August): Average 81–83°F, 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 77–82°F, 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 64–67°F, mild and comfortable, less rainfall. Common activities: Birdwatching, hiking. Recommended clothing: Light jacket, long-sleeved clothing.
Merritt Island climatological average
Annual average temperature: approx. 75.2°F / Annual rainfall: approx. 1281 mm / Summer humidity: 70%–80% / Rainiest month: September
Merritt Island monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
64.4°F
62.7
February
67.3°F
40.7
March
71.8°F
58.3
April
74.5°F
91.2
May
78.8°F
56.7
June
81.3°F
130.3
July
83.3°F
135.8
August
83.8°F
137.2
September
82°F
258.5
October
77.2°F
115.2
November
72.7°F
108.3
December
66°F
86.4
Merritt Island weather for the next seven days
12/7
Sunday
Sunny
78.8°F/67.1°F
12/8
Monday
Moderate rain
69.4°F/66.3°F
12/9
Tuesday
Patchy rain nearby
71.1°F/62.6°F
12/10
Wednesday
Patchy rain nearby
76.6°F/64.4°F
12/11
Thursday
Sunny
72.2°F/59.7°F
12/12
Friday
Patchy rain nearby
76.9°F/68°F
12/13
Saturday
Patchy rain nearby
63°F/55.2°F
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