Kailua-Kona Water Temperature

Kailua-Kona is a city close to Pacific Ocean. tropical savanna climate with wet summer would be the climate here. September is the month with the highest water temperature at 81.7°F / 27.6°C. The month with the lowest is March with an average water temperature of 77°F / 25°C. The avg. air temperature is around 70.2°F / 21.2°C, August is the month with the highest temperature. February is the coolest with 64.9°F / 18.3°C average air temperature. January is the month with the min. precipitation of 7.5in / 190.1mm and June with the max. precipitation in a year with 25.2in / 640.8mm. July, August, September, October would be the best time to visit this place.

Kailua-Kona Summary

Description Value
Current water temperature 80.6 °F / 27 °C
Warmest Month Water Temperature: September with 81.7°F / 27.6°C
Coldest Month Water Temperature: March with 77°F / 25°C
Warmest Month Air Temperature: August with 70.2°F / 21.2°C
Coldest Month Air Temperature: February with 64.9°F / 18.3°C
Wettest Month: June with 25.2in / 640.8mm
Driest Month: January with 7.5in / 190.1mm
Highest Humidity June with 85.7%
Lowest Humidity January with 79.4%
Best Time to Visit: July, August, September, October
Climate Classification tropical savanna climate with wet summer

Kailua-Kona water temperature by month

Pacific Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

78.3 77.7 77.2

February

77.4 77.2 76.8

March

77.4 77 76.8

April

77.9 77.5 77.4

May

79.5 78.6 77.9

June

79.9 79.5 79.3

July

80.8 80.2 79.7

August

81.5 81.1 80.8

September

81.7 81.7 81.3

October

81.7 81.3 81

November

81.1 80.2 79.5

December

79.5 79 78.3

Pacific Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

25.7 25.4 25.1

February

25.2 25.1 24.9

March

25.2 25 24.9

April

25.5 25.3 25.2

May

26.4 25.9 25.5

June

26.6 26.4 26.3

July

27.1 26.8 26.5

August

27.5 27.3 27.1

September

27.6 27.6 27.4

October

27.6 27.4 27.2

November

27.3 26.8 26.4

December

26.4 26.1 25.7
The warmest water temperature are in September with around 81.7°F / 27.6°C. The coldest in March with an average water temperature of 77°F / 25°C.

Kailua-Kona Weather Forecast for the next 14 Days

Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 04.
Patchy rain nearby
68 °F
20 °C
63 °F
17 °C
75 %
5 mph
8 km/h
0.1 inch
2.1 mm
75%
Dec 05.
Patchy rain nearby
68 °F
20 °C
63 °F
17 °C
85 %
7.5 mph
12 km/h
0 inch
0.6 mm
78%
Dec 06.
Patchy rain nearby
68 °F
20 °C
63 °F
17 °C
89 %
6.8 mph
11 km/h
0 inch
1 mm
80%
Dec 07.
Patchy rain nearby
72 °F
22 °C
64 °F
18 °C
84 %
6.2 mph
10 km/h
0 inch
0.3 mm
74%
Dec 08.
Patchy rain nearby
70 °F
21 °C
68 °F
20 °C
84 %
7.5 mph
12 km/h
0 inch
0.5 mm
77%
Dec 09.
Patchy rain nearby
68 °F
20 °C
54 °F
12 °C
79 %
5.6 mph
9 km/h
0.1 inch
2.3 mm
78%
Dec 09.
Patchy rain nearby
68 °F
20 °C
54 °F
12 °C
79 %
5.6 mph
9 km/h
0.1 inch
2.3 mm
78%
Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 10.
Moderate rain
66 °F
19 °C
63 °F
17 °C
84 %
6.2 mph
10 km/h
0.5 inch
12.3 mm
76%
Dec 11.
Moderate rain
66 °F
19 °C
63 °F
17 °C
85 %
9.3 mph
15 km/h
0.6 inch
14.8 mm
74%
Dec 12.
Patchy rain nearby
72 °F
22 °C
66 °F
19 °C
85 %
8.7 mph
14 km/h
0.1 inch
3.6 mm
76%
Dec 13.
Patchy rain nearby
72 °F
22 °C
57 °F
14 °C
86 %
8.7 mph
14 km/h
0.1 inch
1.9 mm
77%
Dec 14.
Patchy rain nearby
66 °F
19 °C
61 °F
16 °C
88 %
7.5 mph
12 km/h
0 inch
0.3 mm
70%
Dec 15.
Patchy rain nearby
68 °F
20 °C
61 °F
16 °C
87 %
3.7 mph
6 km/h
0 inch
1.1 mm
69%
Dec 16.
Patchy rain nearby
68 °F
20 °C
64 °F
18 °C
82 %
6.2 mph
10 km/h
0 inch
1.2 mm
72%

Kailua-Kona weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

71.1 65.3 59.5 7.6 22 79.4%

February

70.5 64.9 59.4 7.5 22 80.1%

March

71.1 65.3 59.5 11.3 25 80.6%

April

71.6 66 61 17.6 26 83.1%

May

73 67.3 62.2 19.7 29 84.8%

June

73.9 68.4 63.1 25 29 85.7%

July

75.4 69.4 64 25.1 30 85.3%

August

75.6 70.2 65.1 25.2 30 85.1%

September

75.4 69.6 64.8 21.5 29 84.9%

October

74.8 69.3 64 16.4 0 84%

November

73.9 68 62.4 11.5 25 82.5%

December

72.5 66.2 60.4 9.3 26 81.9%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

21.7 18.5 15.3 193.5 22 79.4%

February

21.4 18.3 15.2 190.1 22 80.1%

March

21.7 18.5 15.3 286.1 25 80.6%

April

22 18.9 16.1 447.2 26 83.1%

May

22.8 19.6 16.8 500.4 29 84.8%

June

23.3 20.2 17.3 635.9 29 85.7%

July

24.1 20.8 17.8 638.7 30 85.3%

August

24.2 21.2 18.4 640.8 30 85.1%

September

24.1 20.9 18.2 546.8 29 84.9%

October

23.8 20.7 17.8 415.6 0 84%

November

23.3 20 16.9 293.3 25 82.5%

December

22.5 19 15.8 237.3 26 81.9%
January is the driest at 7.5in / 190.1mm and June the wettest month with 25.2in / 640.8mm. With an average temperature of 70.2°F / 21.2°C, August is the warmest month in a year. February is the coldest with 64.9°F / 18.3°C average temperature.

Activities & POI in Kailua-Kona

Type of Activity List
Beach Kohanaiki Beach, Pine Trees Surfing Beach, Honokohau Harbor Beach, White Sands Beach, 'Ai'ōpio Beach, Makolea Beach, Wawaloli Beach, Ooma Beach, Honl's Beach
Marina for Sailing, Boat adventures, fishing Honokōhau Small Boat Harbor
Attraction Petroglyphs, Hula Daddy Kona Coffee, Hang Loose Boat Tours, Sea Genie II, Silky Sportfishing, Fire Hatt Sportfishing Charters, Rod Bender Sportfishing, Hanamana, Night Rower, Aloha Dolphin Tours, Ihu Nui, Manta Ray, Kupanha, Humdinger, Medusa Sportfishing, Waiopai Sport Fishing Charters, Lava Tube, Kanaloa Octopus Farm, The Vanillerie, Honl's Beach
Golf Course Kohanaiki
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