Measurements:
°C
°F
CURRENT WEATHER
05:21
Hawaii
76°F
SW 19 mph
Feels like: 80°F
Precip: 88%
World Resorts USA Hawaii Weather

7 Day Weather Forecast

05.14
thu
DAY
80°F
W 20 mph
precip
64%
NIGHT
78°F
W 14 mph
precip
100%
05.15
fri
DAY
78°F
NW 11 mph
precip
100%
NIGHT
76°F
SW 11 mph
precip
0%
05.16
sat
DAY
82°F
W 8 mph
precip
70%
NIGHT
78°F
W 10 mph
precip
73%
05.17
sun
DAY
82°F
W 5 mph
precip
66%
NIGHT
80°F
SW 14 mph
precip
100%
05.18
mon
DAY
82°F
SW 17 mph
precip
100%
NIGHT
78°F
W 20 mph
precip
72%
05.19
tue
DAY
80°F
SW 22 mph
precip
62%
NIGHT
78°F
SW 21 mph
precip
25%
05.20
wed
DAY
80°F
SW 22 mph
precip
80%
NIGHT
76°F
SW 22 mph
precip
47%

Hawaii Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Hawaii was 25.5°F. The maximum and minimum values were 25.3°F and 25.8°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 85.9 °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
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