Hilo Weather in April
Average highs run from 79°F on April 1 to 80°F on April 30, and lows from 66°F to 67°F. Normal precipitation for the month is 9.40 in over about 25 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 79°F
- Average low
- 66°F
- Precipitation
- 9.40 in
- Record high
- 89°FApr 2, 1963
- Record low
- 58°FApr 2, 2013
- Chance of a freeze
- 0%
- Daylight
- 12 h 21 min to 12 h 51 min
- Cloud cover
- 58%
- Humidity
- 81%
- Dew point
- 62°F
- Wind
- 12.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 79°F | 66°F | 88°F 1974 | 60°F 1953 | 78% |
| Apr 2 | 79°F | 66°F | 89°F 1963 | 58°F 2013 | 78% |
| Apr 3 | 79°F | 66°F | 87°F 1974 | 60°F 1953 | 78% |
| Apr 4 | 79°F | 66°F | 87°F 1977 | 61°F 1951 | 79% |
| Apr 5 | 79°F | 66°F | 87°F 2016 | 58°F 2008 | 79% |
| Apr 6 | 79°F | 66°F | 85°F 2018 | 59°F 1955 | 79% |
| Apr 7 | 79°F | 66°F | 84°F 2013 | 59°F 1985 | 80% |
| Apr 8 | 79°F | 66°F | 85°F 1995 | 61°F 1957 | 80% |
| Apr 9 | 79°F | 66°F | 85°F 1963 | 62°F 1953 | 80% |
| Apr 10 | 79°F | 66°F | 86°F 1963 | 61°F 1954 | 80% |
| Apr 11 | 79°F | 66°F | 85°F 2026 | 60°F 1957 | 81% |
| Apr 12 | 79°F | 66°F | 87°F 1979 | 61°F 1951 | 81% |
| Apr 13 | 79°F | 66°F | 85°F 1979 | 61°F 1954 | 81% |
| Apr 14 | 79°F | 66°F | 87°F 2013 | 62°F 1951 | 81% |
| Apr 15 | 79°F | 66°F | 86°F 1957 | 61°F 1952 | 81% |
| Apr 16 | 79°F | 66°F | 87°F 1979 | 59°F 1956 | 81% |
| Apr 17 | 79°F | 66°F | 87°F 1977 | 62°F 1952 | 81% |
| Apr 18 | 79°F | 66°F | 87°F 1986 | 61°F 1970 | 81% |
| Apr 19 | 79°F | 66°F | 88°F 1978 | 62°F 1952 | 81% |
| Apr 20 | 79°F | 66°F | 89°F 1978 | 62°F 1955 | 81% |
| Apr 21 | 79°F | 66°F | 86°F 1967 | 59°F 1966 | 81% |
| Apr 22 | 79°F | 66°F | 86°F 2013 | 60°F 1966 | 81% |
| Apr 23 | 79°F | 66°F | 86°F 1997 | 61°F 1991 | 80% |
| Apr 24 | 79°F | 66°F | 87°F 2023 | 62°F 1952 | 80% |
| Apr 25 | 79°F | 66°F | 85°F 1977 | 62°F 1970 | 80% |
| Apr 26 | 80°F | 66°F | 86°F 1962 | 59°F 2009 | 80% |
| Apr 27 | 80°F | 66°F | 86°F 1967 | 61°F 1955 | 80% |
| Apr 28 | 80°F | 67°F | 87°F 1954 | 60°F 1972 | 79% |
| Apr 29 | 80°F | 67°F | 89°F 2017 | 63°F 1952 | 79% |
| Apr 30 | 80°F | 67°F | 86°F 2010 | 62°F 1985 | 79% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (HST).
- April 1
- sunrise 6:14 AM, sunset 6:35 PM
- April 30
- sunrise 5:52 AM, sunset 6:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00021504 (Hilo Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00021504, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.