World Resorts USA Kailua Kona Weather

Kailua Kona 14 Days Forecast

19.05
tue
Day
79°F
E 7 mph
Precip.
100%
Night
77°F
E 1 mph
Precip.
0%
20.05
wed
Day
79°F
E 7 mph
Precip.
100%
Night
75°F
SE 5 mph
Precip.
100%
21.05
thu
Day
79°F
E 6 mph
Precip.
100%
Night
75°F
NE 4 mph
Precip.
100%
22.05
fri
Day
79°F
E 4 mph
Precip.
100%
Night
75°F
NW 3 mph
Precip.
61%
23.05
sat
Day
77°F
NE 10 mph
Precip.
100%
Night
73°F
NW 4 mph
Precip.
100%
24.05
sun
Day
77°F
NE 6 mph
Precip.
100%
Night
75°F
N 5 mph
Precip.
100%
25.05
mon
Day
77°F
NE 6 mph
Precip.
100%
Night
75°F
SE 6 mph
Precip.
81%
26.05
tue
Day
77°F
E 7 mph
Precip.
100%
Night
73°F
N 5 mph
Precip.
72%
27.05
wed
Day
77°F
E 6 mph
Precip.
28%
Night
75°F
SE 7 mph
Precip.
44%
28.05
thu
Day
79°F
E 6 mph
Precip.
25%
Night
75°F
NE 3 mph
Precip.
0%
29.05
fri
Day
79°F
E 6 mph
Precip.
0%
Night
77°F
E 2 mph
Precip.
0%
30.05
sat
Day
81°F
E 6 mph
Precip.
73%
Night
77°F
E 2 mph
Precip.
100%
31.05
sun
Day
81°F
NE 6 mph
Precip.
100%
Night
77°F
N 5 mph
Precip.
100%
01.06
mon
Day
81°F
NE 8 mph
Precip.
100%
Night
79°F
SE 9 mph
Precip.
73%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 79.4°F. The highest and lowest sea temperatures during the month were 79.9°F and 78.6°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 79.9°F and 79.2°F.

Air temperature in Kailua Kona, °F

Precipitation total in Kailua Kona, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Kailua Kona

Sunniest months:
January 22 days
December 20 days
February 19 days
Warmest months:
September 82.4 °F
August 82.1 °F
July 82.1 °F
Warmest sea temp:
September 81.3 °F
October 81.1 °F
August 80.9 °F
Coldest months:
January 76.9 °F
February 77.2 °F
March 77.9 °F
Rainiest months:
September 2 days
July 2 days
August 2 days
Windiest months:
May 7.0 mph
April 6.6 mph
June 6.5 mph

Kailua Kona on a weather map

Kailua Kona
+75°F
NW 4 mph
Feels like: +79°F
Precip.: 100%
Places in USA:
Name
°F
+97°F
+75°F
+75°F
+70°F
+68°F
+75°F
+84°F
+70°F
+84°F
+68°F
+68°F
+90°F
+90°F
+86°F
+72°F
24 Hours Forecast
Kailua Kona
Local time: 07:22
May 19, tuesday
0900
79°F
NE
5 mph
1200
79°F
E
7 mph
1500
79°F
SE
9 mph
1800
79°F
N
3 mph
2100
77°F
N
7 mph
May 20, wednesday
0000
77°F
E
1 mph
0300
75°F
SE
7 mph
0600
75°F
S
2 mph
Units of measurement: °C / °F