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Honolulu, HI Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Honolulu, HI?
Honolulu, HI gets 20.6 in of precipitation a year over about 119 rainy days. August is the warmest month (average high 88°F) and January the coldest (average low 65°F).
Tropical savanna climate
Honolulu, HI has hot summers and warm winters. Daytime highs range from about 80°F in January to 88°F in August. March is usually the wettest month.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 66° | 81° |
| Spring | Mar–May | 69° | 83° |
| Summer | Jun–Aug | 74° | 87° |
| Autumn | Sep–Nov | 72° | 86° |
How much rain does Honolulu get?
Honolulu gets 20.6 in of precipitation in an average year, spread over about 119 days with measurable rain. That is more rainy days than 78% of the US.
March is the wettest month, with 3.2 in. June is the driest, with 0.6 in. December has the most rainy days, about 13.
The longest dry spell in the last five years lasted 11 days, to August 4, 2023.
From September 2025 to August 2026 Honolulu got 28.2 in of rain, against a normal of 20.6 in for those months. March 2026 had the most, with 13.6 in.
See where Honolulu ranks: rainiest cities in the US, US cities with the most rainy days.
Honolulu weather by month
Honolulu weather in January
In January, Honolulu averages a high of 80°F and a low of 65°F. It gets 2.4 in of precipitation over about 11 rainy days. Estimated sunshine is 65% of daylight hours, derived from ERA5 cloud cover. The January record high is 89°F (1989) and the record low is 43°F (2009).
Honolulu weather in February
In February, Honolulu averages a high of 81°F and a low of 66°F. It gets 2.0 in of precipitation over about 9 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The February record high is 90°F (1984) and the record low is 51°F (1987).
Honolulu weather in March
In March, Honolulu averages a high of 81°F and a low of 67°F. It gets 3.2 in of precipitation over about 11 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The March record high is 92°F (1986) and the record low is 53°F (1976).
Honolulu weather in April
In April, Honolulu averages a high of 83°F and a low of 69°F. It gets 1.2 in of precipitation over about 10 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The April record high is 90°F (2015) and the record low is 51°F (2008).
Honolulu weather in May
In May, Honolulu averages a high of 85°F and a low of 70°F. It gets 1.0 in of precipitation over about 8 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The May record high is 93°F (1995) and the record low is 53°F (2018).
Honolulu weather in June
In June, Honolulu averages a high of 87°F and a low of 73°F. It gets 0.6 in of precipitation over about 8 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The June record high is 93°F (1987) and the record low is 59°F (2018).
Honolulu weather in July
In July, Honolulu averages a high of 87°F and a low of 74°F. It gets 0.7 in of precipitation over about 10 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The July record high is 95°F (1987) and the record low is 59°F (2008).
Honolulu weather in August
In August, Honolulu averages a high of 88°F and a low of 74°F. It gets 0.7 in of precipitation over about 9 rainy days. Estimated sunshine is 76% of daylight hours, derived from ERA5 cloud cover. The August record high is 94°F (2015) and the record low is 60°F (2008).
Honolulu weather in September
In September, Honolulu averages a high of 88°F and a low of 74°F. It gets 1.0 in of precipitation over about 10 rainy days. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The September record high is 97°F (2019) and the record low is 56°F (2017).
Honolulu weather in October
In October, Honolulu averages a high of 86°F and a low of 73°F. It gets 2.2 in of precipitation over about 10 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The October record high is 95°F (1984) and the record low is 53°F (2008).
Honolulu weather in November
In November, Honolulu averages a high of 84°F and a low of 71°F. It gets 2.6 in of precipitation over about 12 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The November record high is 92°F (1980) and the record low is 56°F (1972).
Honolulu weather in December
In December, Honolulu averages a high of 81°F and a low of 68°F. It gets 3.0 in of precipitation over about 13 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The December record high is 90°F (1983) and the record low is 51°F (2008).
Sunshine, humidity and wind in Honolulu
August is the sunniest month in Honolulu, with estimated sunshine of 76% of daylight hours from ERA5 cloud cover. March is the cloudiest, at 52%. The annual cloud-cover estimate is 64% of daylight hours; it is not a measurement of sunshine duration. Honolulu is sunnier than 91% of the US.
Humidity peaks in July at 77% and is lowest in February at 73%.
Honolulu has about 24 days a year above 90°F. Honolulu is cooler than 56% of the US.
See where Honolulu ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
Honolulu weather records
These records cover WAIKIKI 717.2 during 1970–2023. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Honolulu station is 97°F, on September 24, 2019. The coldest is 43°F, on January 18, 2009.
The wettest day in the available station history brought 6.1 in of precipitation, on October 31, 1978.
30 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°F per decade since 1970.
The best time to visit Honolulu
Winter (December–February) is warm, with average highs around 81°F and lows near 66°F.
Spring (March–May) is hot, with average highs around 83°F and lows near 69°F.
Summer (June–August) is hot, with average highs around 87°F and lows near 74°F. It can feel humid.
Autumn (September–November) is hot, with average highs around 86°F and lows near 72°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 65° | 80° | 2.4 in | 11 | 76% | 65% | 89° | 43° |
| February | 66° | 81° | 2.0 in | 9 | 73% | 66% | 90° | 51° |
| March | 67° | 81° | 3.2 in | 11 | 76% | 52% | 92° | 53° |
| April | 69° | 83° | 1.2 in | 10 | 76% | 55% | 90° | 51° |
| May | 70° | 85° | 1.0 in | 8 | 76% | 63% | 93° | 53° |
| June | 73° | 87° | 0.59 in | 8 | 76% | 71% | 93° | 59° |
| July | 74° | 87° | 0.69 in | 10 | 77% | 60% | 95° | 59° |
| August | 74° | 88° | 0.73 in | 9 | 76% | 76% | 94° | 60° |
| September | 74° | 88° | 1.0 in | 10 | 76% | 70% | 97° | 56° |
| October | 73° | 86° | 2.2 in | 10 | 76% | 66% | 95° | 53° |
| November | 71° | 84° | 2.6 in | 12 | 76% | 64% | 92° | 56° |
| December | 68° | 81° | 3.0 in | 13 | 76% | 61% | 90° | 51° |
Station: WAIKIKI 717.2, 6 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2023; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Honolulu climate questions
How much rain does Honolulu get?
Honolulu gets 20.6 in of precipitation in an average year, over about 119 rainy days.
What is the wettest month in Honolulu?
March is the wettest month in Honolulu, with 3.2 in. June is the driest, with 0.6 in.
How many rainy days does Honolulu have a year?
Honolulu has about 119 days with measurable rain in an average year. December has the most, about 13.
What is the hottest month in Honolulu?
August is the warmest month in Honolulu, with an average high of 88°F.
What is the coldest month in Honolulu?
January is the coldest month in Honolulu, with an average low of 65°F.
What is the record high temperature in Honolulu?
Within the available 1970–2023 station history, the record high at the Honolulu station is 97°F, set on September 24, 2019. The record low is 43°F, on January 18, 2009.
What is the sunniest month in Honolulu?
August is the sunniest month in Honolulu, with estimated sunshine of 76% of daylight hours from ERA5 cloud cover. March is the cloudiest.