Hilo Water Temperature

Hilo is a city close to Pacific Ocean. September is the month with the highest water temperature at 79.5°F / 26.4°C.
The coldest month is March with an average water temperature of 74.8°F / 23.8°C.
June is the driest at 5.3in / 134mm and March the wettest month with 13.6in / 344.9mm.
With an average air temperature of 71.8°F / 22.1°C, August is the warmest month in a year. February is the coldest with 66.6°F / 19.2°C average air temperature.
The Climate is described as tropical rainforest climate. Best time to Visit would be in May, June, July, August, September.

Hilo Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: September with 79.5°F / 26.4°C
Coldest Month Water Temperature: March with 74.8°F / 23.8°C
Warmest Month Air Temperature: August with 71.8°F / 22.1°C
Coldest Month Air Temperature: February with 66.6°F / 19.2°C
Wettest Month: March with 13.6in / 344.9mm
Driest Month: June with 5.3in / 134mm
Highest Humidity November with 84.8%
Lowest Humidity January with 82.7%
Best Time to Visit: May, June, July, August, September
Climate Classification tropical rainforest climate

Hilo water temperature by month

Pacific Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

76.3 75.7 75.2

February

75.4 75.2 74.8

March

75.2 75 74.8

April

75.7 75.6 75.2

May

77.2 76.5 75.9

June

77.9 77.5 77.2

July

78.6 78.3 77.7

August

79.3 78.8 78.4

September

79.7 79.5 79

October

79.5 79.2 78.8

November

79 78.3 77.5

December

77.4 76.8 76.3

Pacific Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

24.6 24.3 24

February

24.1 24 23.8

March

24 23.9 23.8

April

24.3 24.2 24

May

25.1 24.7 24.4

June

25.5 25.3 25.1

July

25.9 25.7 25.4

August

26.3 26 25.8

September

26.5 26.4 26.1

October

26.4 26.2 26

November

26.1 25.7 25.3

December

25.2 24.9 24.6
September is the month with the warmest water temperature at 79.5°F / 26.4°C. The month with the coldest is March with an average water temperature of 74.8°F / 23.8°C.

Hilo weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

73 66.7 61.3 7.7 22 82.7%

February

72.5 66.6 61.5 10.9 22 83.4%

March

73 66.9 61.7 13.6 27 84.2%

April

73.6 67.6 62.6 10 27 84.5%

May

75 69.3 63.7 7.8 27 83.6%

June

75.4 70.2 65.5 5.3 27 83%

July

77 71.2 65.8 5.9 27 82.9%

August

77.2 71.8 67.3 8.3 28 83.7%

September

77.2 71.8 66.7 6.7 27 83.3%

October

76.6 71.1 66.4 8.1 0 84.5%

November

75.2 69.4 63.7 9 26 84.8%

December

73.4 67.6 61.9 10.2 25 84.4%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

22.8 19.3 16.3 196.7 22 82.7%

February

22.5 19.2 16.4 277.5 22 83.4%

March

22.8 19.4 16.5 344.9 27 84.2%

April

23.1 19.8 17 253.2 27 84.5%

May

23.9 20.7 17.6 198.2 27 83.6%

June

24.1 21.2 18.6 134 27 83%

July

25 21.8 18.8 149.2 27 82.9%

August

25.1 22.1 19.6 211.7 28 83.7%

September

25.1 22.1 19.3 170.6 27 83.3%

October

24.8 21.7 19.1 204.5 0 84.5%

November

24 20.8 17.6 227.4 26 84.8%

December

23 19.8 16.6 258.1 25 84.4%
June is the month with the lowest rain of 5.3in / 134mm and March with the highest precipitation in a year with 13.6in / 344.9mm. The avg. temperature is around 71.8°F / 22.1°C, August is the month with the highest temperature. February is the coolest with 66.6°F / 19.2°C average temperature.

Activities & POI in Hilo

Type of Activity List
Marina for Sailing, Boat adventures, fishing Marina
Attraction Boiling Pots, Lokaliko fresh water pond, Tsunami Clock Memorial, Kaumana cave
Golf Course Banyan Golf Course, Hilo Municipal Golf Course
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