Royal Kunia weather by month
What a typical year looks like in Royal Kunia, Hawaii: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Honolulu Area, 13 km from Royal Kunia; records cover 1940–2026.
The year at a glance
- Precipitation a year
- 16.4 in417 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 0
- Cooling degree days
- 4,766
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 60°16° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Royal Kunia in January
Highs average 81°27° and lows 67°19°, with 1.8 in47 mm of precipitation in a typical January.
- Record high
- 88°31° (1996)
- Record low
- 52°11° (1969)
- Heating degree days
- 0
- Cooling degree days
- 268
Royal Kunia in February
Highs average 81°27° and lows 67°19°, with 1.9 in49 mm of precipitation in a typical February.
- Record high
- 88°31° (1984)
- Record low
- 53°12° (1976)
- Heating degree days
- 0
- Cooling degree days
- 246
Royal Kunia in March
Highs average 81°27° and lows 68°20°, with 2.4 in60 mm of precipitation in a typical March.
- Record high
- 89°32° (1960)
- Record low
- 55°13° (1955)
- Heating degree days
- 0
- Cooling degree days
- 299
Royal Kunia in April
Highs average 83°28° and lows 70°21°, with 0.77 in20 mm of precipitation in a typical April.
- Record high
- 91°33° (1996)
- Record low
- 56°13° (1958)
- Heating degree days
- 0
- Cooling degree days
- 348
Royal Kunia in May
Highs average 85°29° and lows 72°22°, with 0.82 in21 mm of precipitation in a typical May.
- Record high
- 93°34° (1988)
- Record low
- 60°16° (1985)
- Heating degree days
- 0
- Cooling degree days
- 408
Royal Kunia in June
Highs average 87°31° and lows 74°23°, with 0.5 in13 mm of precipitation in a typical June.
- Record high
- 92°33° (1945)
- Record low
- 65°18° (1955)
- Heating degree days
- 0
- Cooling degree days
- 460
Royal Kunia in July
Highs average 88°31° and lows 75°24°, with 0.52 in13 mm of precipitation in a typical July.
- Record high
- 94°34° (1995)
- Record low
- 66°19° (1955)
- Heating degree days
- 0
- Cooling degree days
- 515
Royal Kunia in August
Highs average 89°32° and lows 76°24°, with 0.84 in21 mm of precipitation in a typical August.
- Record high
- 95°35° (2019)
- Record low
- 65°18° (2009)
- Heating degree days
- 0
- Cooling degree days
- 533
Royal Kunia in September
Highs average 88°31° and lows 75°24°, with 0.88 in22 mm of precipitation in a typical September.
- Record high
- 95°35° (1994)
- Record low
- 64°18° (2019)
- Heating degree days
- 0
- Cooling degree days
- 498
Royal Kunia in OctoberThis month
Highs average 87°31° and lows 74°23°, with 1.5 in38 mm of precipitation in a typical October.
- Record high
- 94°34° (1984)
- Record low
- 61°16° (1993)
- Heating degree days
- 0
- Cooling degree days
- 477
Royal Kunia in November
Highs average 84°29° and lows 72°22°, with 2.3 in57 mm of precipitation in a typical November.
- Record high
- 93°34° (1986)
- Record low
- 57°14° (1990)
- Heating degree days
- 0
- Cooling degree days
- 388
Royal Kunia in December
Highs average 82°28° and lows 69°21°, with 2.2 in55 mm of precipitation in a typical December.
- Record high
- 89°32° (1977)
- Record low
- 54°12° (1962)
- Heating degree days
- 0
- Cooling degree days
- 326