Fire Island Weather: August
 |
Average Day Temperature: | 83.0°F |
|
Average Night Temperature: | 74.7°F |
|
Sea Water Temperature: | 79.1°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 13.1 - 14.3 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Fire Island |
Temperature
| Fire Island |
Air Temperature in August, °F
The highest day temperature in August 2025 was 94°F. The lowest night temperature was 62°F. The average values for day and night temperatures during August were 83.7°F и 69.8°F respectivly.
Fire Island Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Fire Island was 76.4°F. The maximum and minimum values were 71.8°F and 81.6°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Fire Island is 1.2 in.
The average wind speed in August is 8.6 mph. It makes August one of the most windless months of the year for Fire Island.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Fire Island in August is 8.1 hours.
Fire Island on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+20 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0600 |  |
16°F | S 7 mph |
| 0900 |  |
18°F | W 2 mph |
| 1200 |  |
24°F | N 5 mph |
| 1500 |  |
26°F | N 3 mph |
| 1800 |  |
28°F | NW 2 mph |
| 2100 | |
28°F | NW 2 mph |
| 0000 | |
28°F | W 2 mph |
| 0300 | |
30°F | SW 3 mph |