Hilo May Weather

Averages and records for weather in Hilo, Hawaii in the month of May.
Typical Hilo May Weather
1991–2020
Average daily high 81.8 °F
Average daily low 67.2 °F
Average monthly precipitation 7.0 inches
Daily chance of precipitation 73.9%
Hilo May Weather Records
1949–2024
Highest temperature 94 °F May 20, 1966
Lowest temperature 59 °F May 8, 1992
Highest daily low 73 °F May 9, 2021
Lowest daily high 70 °F May 3, 1952
Hottest average high temperature 85.0 °F 1980
Coldest average high temperature 77.3 °F 1985
Most daily precipitation 7.9 inches May 15, 1989
Most monthly precipitation 25.0 inches 1964
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 80.8 66.6 85 62
May 2 80.9 66.6 85 61
May 3 81.0 66.7 85 61
May 4 81.0 66.7 86 61
May 5 81.1 66.8 87 60
May 6 81.1 66.8 86 61
May 7 81.2 66.8 87 62
May 8 81.3 66.8 87 59
May 9 81.4 66.9 89 60
May 10 81.4 66.9 85 59
May 11 81.5 67.0 87 60
May 12 81.5 67.0 85 62
May 13 81.6 67.1 87 62
May 14 81.7 67.1 88 62
May 15 81.8 67.1 87 63
May 16 81.8 67.2 87 63
May 17 81.9 67.2 88 61
May 18 81.9 67.3 91 61
May 19 82.0 67.3 87 62
May 20 82.1 67.3 94 59
May 21 82.1 67.4 88 62
May 22 82.2 67.4 88 63
May 23 82.3 67.5 88 62
May 24 82.3 67.5 87 63
May 25 82.4 67.6 91 60
May 26 82.5 67.6 88 60
May 27 82.5 67.6 88 61
May 28 82.6 67.7 87 62
May 29 82.6 67.7 89 64
May 30 82.6 67.8 87 62
May 31 82.6 67.8 88 63
Weather Station Details
Years Station Coordinates
1949–2024 Hilo International Airport location