Koloa weather by month
What a typical year looks like in Koloa, Hawaii: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lihue WSO Airport 1020.1, 15 km from Koloa; records cover 1950–2026.
The year at a glance
- Precipitation a year
- 36.2 in920 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 0
- Cooling degree days
- 4,124
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 58°14° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Koloa in January
Highs average 79°26° and lows 66°19°, with 2.8 in71 mm of precipitation in a typical January.
- Record high
- 86°30° (2001)
- Record low
- 50°10° (1969)
- Heating degree days
- 0
- Cooling degree days
- 226
Koloa in February
Highs average 78°26° and lows 66°19°, with 3.6 in92 mm of precipitation in a typical February.
- Record high
- 89°32° (2015)
- Record low
- 52°11° (1962)
- Heating degree days
- 0
- Cooling degree days
- 200
Koloa in March
Highs average 79°26° and lows 67°20°, with 5.6 in142 mm of precipitation in a typical March.
- Record high
- 88°31° (1986)
- Record low
- 51°11° (1955)
- Heating degree days
- 0
- Cooling degree days
- 245
Koloa in April
Highs average 80°27° and lows 70°21°, with 2 in52 mm of precipitation in a typical April.
- Record high
- 88°31° (1981)
- Record low
- 56°13° (1958)
- Heating degree days
- 0
- Cooling degree days
- 290
Koloa in May
Highs average 82°28° and lows 71°22°, with 2.2 in55 mm of precipitation in a typical May.
- Record high
- 89°32° (2016)
- Record low
- 58°14° (1996)
- Heating degree days
- 0
- Cooling degree days
- 349
Koloa in June
Highs average 83°29° and lows 73°23°, with 1.8 in45 mm of precipitation in a typical June.
- Record high
- 89°32° (1969)
- Record low
- 61°16° (1987)
- Heating degree days
- 0
- Cooling degree days
- 400
Koloa in July
Highs average 85°29° and lows 75°24°, with 1.8 in44 mm of precipitation in a typical July.
- Record high
- 89°32° (1979)
- Record low
- 62°17° (1979)
- Heating degree days
- 0
- Cooling degree days
- 453
Koloa in August
Highs average 85°30° and lows 75°24°, with 2.3 in59 mm of precipitation in a typical August.
- Record high
- 91°33° (2019)
- Record low
- 66°19° (1957)
- Heating degree days
- 0
- Cooling degree days
- 471
Koloa in September
Highs average 85°30° and lows 75°24°, with 2.2 in55 mm of precipitation in a typical September.
- Record high
- 91°33° (2019)
- Record low
- 65°18° (1952)
- Heating degree days
- 0
- Cooling degree days
- 452
Koloa in OctoberThis month
Highs average 84°29° and lows 74°23°, with 3.3 in83 mm of precipitation in a typical October.
- Record high
- 91°33° (2012)
- Record low
- 61°16° (1993)
- Heating degree days
- 0
- Cooling degree days
- 426
Koloa in November
Highs average 81°27° and lows 71°22°, with 4 in102 mm of precipitation in a typical November.
- Record high
- 89°32° (1995)
- Record low
- 57°14° (1958)
- Heating degree days
- 0
- Cooling degree days
- 338
Koloa in December
Highs average 79°26° and lows 69°20°, with 4.6 in118 mm of precipitation in a typical December.
- Record high
- 87°31° (2005)
- Record low
- 52°11° (1953)
- Heating degree days
- 0
- Cooling degree days
- 274