Oahu Weather: August
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Average Day Temperature: | 85.7°F |
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Average Night Temperature: | 77.2°F |
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Sea Water Temperature: | 82.8°F |
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Number of Sunny Days: | 6 days |
| Sunshine Hours: | 12.6 - 13.1 hours | |
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Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.2 in | |
| detailed information | ||
Sea Water
Temperature
Temperature
| Oahu |
Air Temperature in August, °F
The highest day temperature in August 2025 was 88°F. The lowest night temperature was 73°F. The average values for day and night temperatures during August were 85.9°F и 74.9°F respectivly.
Oahu Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Oahu was 82.8°F. The maximum and minimum values were 81.8°F and 83.6°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in August are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Oahu is 0.2 in. It makes august one of the least rainy months of the year.
Wind Speed in August, mph
The average wind speed in August is 11.3 mph.
Average Sunny Hours Per Day
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 Oahu in August is 6.8 hours.
USA Resorts:
NAME
F°
| Chicago | ![]() |
-2 |
| Hawaii | ![]() |
+78 |
| Honolulu | ![]() |
+78 |
| Houston | ![]() |
+44 |
| Las Vegas | ![]() |
+40 |
| Los Angeles | ![]() |
+52 |
| Maui | ![]() |
+72 |
| Miami | ![]() |
+72 |
| Miami Beach | ![]() |
+80 |
| New York | ![]() |
+18 |
| San Diego | ![]() |
+54 |
| San Francisco | ![]() |
+46 |
| Sarasota | ![]() |
+62 |
| Tampa | ![]() |
+62 |
| Washington | ![]() |
+28 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Oahu
Local time: 22:07
05 dec, friday
| 0000 | ![]() |
72°F | W 6 mph |
| 0300 | ![]() |
74°F | W 14 mph |
| 0600 | ![]() |
74°F | W 11 mph |
| 0900 | ![]() |
78°F | NW 7 mph |
| 1200 | ![]() |
82°F | W 8 mph |
| 1500 | ![]() |
80°F | SW 7 mph |
| 1800 | ![]() |
76°F | W 8 mph |
| 2100 | ![]() |
74°F | W 7 mph |
































