Weather in Kauai in Summer
| June | July | August | ||||
| Average day temperature: | 78.4°F | 79.1°F | 79.7°F | |||
| Average night temperature: | 74.6°F | 75.4°F | 75.8°F | |||
| Sea water temperature: | 78.4°F | 79.0°F | 79.8°F | |||
| Number of sunny days: | 2 days | 0 days | 0 days | |||
| Day length: | 13.4 - 13.5 h. | 13.1 - 13.5 h. | 12.6 - 13.1 h. | |||
| Number of rainy days: | 0 days | 0 days | 0 days | |||
| Precipitation totals: | 0.5 in. | 0.6 in. | 0.5 in. | |||
Day & Night air temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
79.7
79.1
78.4
75.8
75.4
74.6
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
79.8
79
78.4
Precipitation total, in.
June
July
August
0.0
0.1
0.2
0.3
0.4
0.5
0.7
0.8
0.5
0.6
0.5
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
19
24
18
12
7
10
0
0
2
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
2.0
4.1
6.1
8.1
10.2
12.2
14.2
10.9
11.9
10.8
Average sunny hours
June
July
August
0
7
5.1
4.7
5.7
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 Kauai
Kauai on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Kauai
Local time: 02:10
April 04, friday
0300
68°F
SW
11 mph
11 mph
0600
72°F
SW
11 mph
11 mph
0900
73°F
SW
11 mph
11 mph
1200
75°F
SW
11 mph
11 mph
1500
75°F
SW
14 mph
14 mph
1800
70°F
SW
13 mph
13 mph
2100
70°F
SW
12 mph
12 mph
April 05, saturday
0000
70°F
SW
11 mph
11 mph
