Weather in Fire Island: April
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Average day temperature: | 54.2°F |
| Average night temperature: | 47.8°F | |
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Sea water temperature: | 48.0°F |
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Number of sunny days: | 9 days |
| Day length: | 12.7 - 13.9 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Fire Island |
temperature
| Fire Island |
Air temperature in April, °F
The highest day temperature during April of 2025 was 71°F. At the same time the lowest night temperature was 30°F. Daily and nightly averages during April were 55.0°F and 46.5°F.
Sea water temperature in Fire Island in April, °F
The average sea water temperature in April of 2025 was 46.2°F. The highest and lowest sea temperatures during the month were 50.2°F and 43.5°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Fire Island in April is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in April is 11.4 mph It makes April one of the most windy months of the year.
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: 6.7.
Best time for vacation in Fire Island
Fire Island on a weather map
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