Measurements:
°C
°F
Hilo
68°F
S 9 mph
Feels like: 68°F
Precip: 65%
World Resorts USA Hilo Weather

7 Day Weather Forecast

04.03
fri
DAY
72°F
SW 9 mph
precip
84%
NIGHT
68°F
S 6 mph
precip
100%
04.04
sat
DAY
74°F
SW 9 mph
precip
100%
NIGHT
70°F
SW 7 mph
precip
100%
04.05
sun
DAY
76°F
SW 8 mph
precip
0%
NIGHT
70°F
W 4 mph
precip
100%
04.06
mon
DAY
74°F
W 8 mph
precip
100%
NIGHT
70°F
NW 2 mph
precip
0%
04.07
tue
DAY
76°F
NW 9 mph
precip
85%
NIGHT
72°F
N 7 mph
precip
79%
04.08
wed
DAY
80°F
NW 14 mph
precip
40%
NIGHT
76°F
N 14 mph
precip
72%
04.09
thu
DAY
82°F
NW 17 mph
precip
29%
NIGHT
74°F
N 10 mph
precip
73%

Hilo Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Hilo was 25.1°F. The maximum and minimum values were 24.5°F and 25.5°F respectively.

Hilo on the Weather Map

Best Time to Visit Hilo
The most sunny months:
January 17 days
October 15 days
June 14 days
The most warm months:
September 81.3 °F
August 81.1 °F
October 81.0 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.1 °F
The most cold months:
March 75.8 °F
February 75.9 °F
April 75.9 °F
The most rainy months:
March 6 days
November 5 days
February 5 days
The most windy months:
March 8 mph
April 8 mph
August 8 mph