Measurements:
°C
°F
Hilo
76°F
NW 4 mph
Feels like: 80°F
Precip: 100%
World Resorts USA Hilo Weather May Weather in Hilo

Hilo Weather: May

Average Day Temperature: 77.3°F
Average Night Temperature: 71.2°F
Sea Water Temperature: 80.3°F
Number of Sunny Days: 14 days
Sunshine Hours: 12.9 - 13.2 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.3 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 80°F. The lowest night temperature was 65°F. The average values for day and night temperatures during May were 72.4°F и 71.0°F respectivly.

Hilo Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Hilo was 79.1°F. The maximum and minimum values were 78.0°F and 79.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Hilo is 2.3 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 7.9 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hilo in May is 8.0 hours.

Best Time to Visit Hilo
The most sunny months:
January 19 days
October 16 days
September 15 days
The most warm months:
August 81.5 °F
September 81.4 °F
October 81.1 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.1 °F
The most cold months:
April 75.9 °F
March 75.9 °F
February 76.0 °F
The most rainy months:
March 6 days
December 5 days
November 5 days
The most windy months:
March 8 mph
August 8 mph
April 8 mph

Hilo on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Hilo
Local time: 04:36
05 nov, tuesday
0600 76°F
NW
4 mph
0900 78°F
NW
6 mph
1200 78°F
W
6 mph
1500 78°F
W
6 mph
1800 74°F
SW
3 mph
2100 76°F
S
4 mph
06 nov, wednesday
0000 74°F
S
6 mph
0300 74°F
S
10 mph