Weather in Fire Island: April
| Average day temperature: | 55.0°F | |
| Average night temperature: | 47.4°F | |
| Sea water temperature: | 47.6°F | |
| Number of sunny days: | 10 days | |
| Day length: | 12.7 - 13.9 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.2 in. | |
| more information | ||
forecast
| Fire Island |
temperature
| Fire Island |
Air temperature in April, °F
The highest day temperature during April of 2026 was 85°F. At the same time the lowest night temperature was 30°F. Daily and nightly averages during April were 59.7°F and 45.4°F.
Sea water temperature in Fire Island in April, °F
The average sea water temperature in April of 2026 was 45.1°F. The highest and lowest sea temperatures during the month were 49.6°F and 41.0°F.
Number of sunny, partly cloudy and cloudy days in April is almost equal.
Precipitation total in April, in.
Precipitation total value in Fire Island in April is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in April is 11.0 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: 7.2.
Best time for vacation in Fire Island
Fire Island on a weather map

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