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Merritt Island

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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

3/17
Tuesday
Overcast
17.2°C/9.8°C
3/18
Wednesday
Moderate rain
16.9°C/12.9°C
3/19
Thursday
Patchy rain nearby
19.9°C/17.6°C
3/20
Friday
Sunny
23.1°C/17.2°C
3/21
Saturday
Sunny
23.7°C/15.8°C
3/22
Sunday
Sunny
24.3°C/17.7°C
3/23
Monday
Sunny
24.9°C/18°C