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Kailua, USA Weather Averages

. The most daily sunshine hours in Kailua are 10 in August. The best month to swim in the sea is in September when the average sea temperature is 27°C (81°F).

Average Daily Sunshine Hours Kailua

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Kailua

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Kailua : Next 24-Hour Weather

Today - 25th October 2026

Sunrise 06:22

Sunrise

Sunset 17:53

Sunset
11:00
Overcast
28°C (81°F)
12:00
Overcast
28°C (82°F)
13:00
Overcast
28°C (82°F)
14:00
Overcast
28°C (81°F)
15:00
Overcast
28°C (81°F)
16:00
Overcast
27°C (80°F)
17:00
Cloudy
27°C (80°F)
18:00
Overcast
26°C (78°F)
19:00
Overcast
26°C (78°F)
20:00
Cloudy
26°C (78°F)
21:00
Partly cloudy
26°C (78°F)
22:00
Clear
26°C (78°F)
23:00
Cloudy
25°C (76°F)

Tomorrow - 26th October 2026

Sunrise 06:22

Sunrise

Sunset 17:53

Sunset
0:00
Clear
25°C (77°F)
1:00
Clear
25°C (76°F)
2:00
Patchy rain possible
25°C (76°F)
3:00
Patchy rain possible
25°C (76°F)
4:00
Patchy rain possible
25°C (75°F)
5:00
Patchy rain possible
25°C (76°F)
6:00
Patchy rain possible
25°C (75°F)
7:00
Patchy rain possible
25°C (76°F)
8:00
Patchy rain possible
26°C (78°F)
9:00
Overcast
26°C (78°F)
10:00
Clear
27°C (79°F)
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