Weather in Oahu in Summer
| June | July | August | ||||
| Average day temperature: | 80.9°F | 81.3°F | 82.1°F | |||
| Average night temperature: | 73.8°F | 74.6°F | 74.9°F | |||
| Sea water temperature: | 77.9°F | 78.8°F | 79.6°F | |||
| Number of sunny days: | 5 days | 3 days | 6 days | |||
| Day length: | 13.4 - 13.4 h. | 13.1 - 13.4 h. | 12.6 - 13.1 h. | |||
| Number of rainy days: | 0 days | 0 days | 0 days | |||
| Precipitation totals: | 0.2 in. | 0.3 in. | 0.2 in. | |||
Day & Night air temperature, °F
June
July
August
0
14
28
42
56
70
84
98
82.1
81.3
80.9
74.9
74.6
73.8
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
79.6
78.8
77.9
Precipitation total, in.
June
July
August
0.0
0.0
0.1
0.1
0.2
0.2
0.3
0.3
0.4
0.2
0.3
0.2
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
7
11
8
18
17
17
6
3
5
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
2.3
4.7
7.0
9.3
11.7
14.0
16.3
18.6
11.9
13.6
11.8
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
6.9
6.5
7.4
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Oahu
Oahu on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Oahu
Local time: 23:43
April 13, sunday
0000
73°F
W
21 mph
21 mph
0300
73°F
SW
22 mph
22 mph
0600
73°F
W
21 mph
21 mph
0900
75°F
W
21 mph
21 mph
1200
77°F
SW
21 mph
21 mph
1500
75°F
SW
20 mph
20 mph
1800
75°F
SW
17 mph
17 mph
2100
73°F
SW
17 mph
17 mph
