Weather in Key West: April
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Average day temperature: | 78.9°F |
| Average night temperature: | 75.8°F | |
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Sea water temperature: | 78.7°F |
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Number of sunny days: | 16 days |
| Day length: | 12.4 - 13.1 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Key West |
temperature
| Key West |
Air temperature in April, °F
The highest day temperature during April of 2025 was 80°F. At the same time the lowest night temperature was 69°F. Daily and nightly averages during April were 77.3°F and 74.8°F.
Sea water temperature in Key West in April, °F
The average sea water temperature in April of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.6°F.
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Key West in April is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in April is 13.4 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 8.3.
Best time for vacation in Key West
Key West on a weather map
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