Measurements:
°C
°F
Hawaii
82°F
W 14 mph
Feels like: 86°F
Precip: 11%
World Resorts USA Hawaii Weather

7 Day Weather Forecast

08.05
wed
DAY
84°F
W 14 mph
precip
14%
NIGHT
80°F
SW 12 mph
precip
22%
08.06
thu
DAY
84°F
W 14 mph
precip
20%
NIGHT
80°F
SW 13 mph
precip
18%
08.07
fri
DAY
84°F
W 16 mph
precip
15%
NIGHT
80°F
SW 17 mph
precip
22%
08.08
sat
DAY
82°F
SW 22 mph
precip
20%
NIGHT
80°F
SW 21 mph
precip
20%
08.09
sun
DAY
82°F
SW 19 mph
precip
37%
NIGHT
80°F
SW 19 mph
precip
23%
08.10
mon
DAY
84°F
SW 16 mph
precip
15%
NIGHT
80°F
W 15 mph
precip
20%
08.11
tue
DAY
84°F
SW 18 mph
precip
13%
NIGHT
80°F
W 16 mph
precip
13%

Hawaii Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Hawaii was 27.0°F. The maximum and minimum values were 26.5°F and 27.4°F respectively.

Hawaii on the Weather Map

Best Time to Visit Hawaii
The most sunny months:
January 15 days
August 15 days
June 14 days
The most warm months:
August 86.9 °F
September 86.6 °F
July 85.7 °F
Warmest sea temperature:
September 84.2 °F
October 84.0 °F
August 83.6 °F
The most cold months:
February 78.9 °F
March 79.1 °F
January 79.4 °F
The most rainy months:
March 3 days
February 3 days
October 2 days
The most windy months:
July 17 mph
August 16 mph
June 16 mph