Daniel K. Inouye International Airport Climate and Average Weather
Climate of Daniel K. Inouye International Airport: average temperatures, rainfall and seasons month by month.
Climate in Daniel K. Inouye International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 78° | 67° | 3,9 in | ★★★★☆ |
| February | 77° | 66° | 2,0 in | ★★★★☆ |
| March | 79° | 68° | 5,7 in | ★★★☆☆ |
| April | 80° | 69° | 3,7 in | ★★★★☆ |
| May | 82° | 71° | 3,5 in | ★★★★☆ |
| June | 84° | 72° | 1,1 in | ★★★★★ |
| July | 85° | 73° | 1,1 in | ★★★★★ |
| August | 86° | 74° | 0,7 in | ★★★★★ |
| September | 86° | 74° | 0,7 in | ★★★★★ |
| October | 85° | 73° | 1,1 in | ★★★★☆ |
| November | 82° | 71° | 1,4 in | ★★★★☆ |
| December | 80° | 69° | 1,8 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Recent extremes in Daniel K. Inouye International Airport
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Daniel K. Inouye International Airport compares with nearby places
Annual averages, and the difference against Daniel K. Inouye International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Pearl Harbor National Memorial | 3 mi | 76°F | +33°F warmer | 27 in |
| Honolulu County | 4 mi | 75°F | about the same | 27 in |
| Area Code 808 | 4 mi | 75°F | about the same | 27 in |
| Waikiki | 7 mi | 76°F | about the same | 34 in |
| ZIP Code 96815 | 7 mi | 76°F | about the same | 34 in |
Best time to visit Daniel K. Inouye International Airport
Go in June, July, August, September, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and April - expect the least comfortable mix of heat, cold or rain.
Summary
Daniel K. Inouye International Airport is an airport in Honolulu. Daniel K. Inouye International Airport (HNL) is a commercial airport.
The best time to visit Daniel K. Inouye International Airport is June, July, August, September, October and November. The climate is Mediterranean. January, March and April tend to be the least comfortable months. August is the warmest month with average highs near 86°F, while February is the coldest with lows near 66°F.
Nearby highlights include Pearl Harbor National Memorial, Waikiki Beach, Oahu and Maui.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Daniel K. Inouye International Airport
| Type | Airport |
|---|---|
| City | Honolulu |
| Country | United States |
| Continent | North America |
| Coordinates | 21°19′28.2″N 157°55′30.4″W (21.3245, -157.9251) |
| IATA code | HNL |
| Best months | June, July, August, September, October and November |
| Climate | Mediterranean |
Weather map for Daniel K. Inouye International Airport
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Daniel K. Inouye International Airport
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Frequently asked questions
Where is Daniel K. Inouye International Airport?
Daniel K. Inouye International Airport is an airport in Honolulu. Its coordinates are 21.3245, -157.9251. It lies in North America.
When is the best time to visit Daniel K. Inouye International Airport?
June, July, August, September, October and November offer the most comfortable conditions in Daniel K. Inouye International Airport, which has a Mediterranean climate. January, March and April are usually the hardest months for outdoor plans.
What are the top things to do in Daniel K. Inouye International Airport?
Popular options include Pearl Harbor National Memorial, Waikiki Beach, Oahu, Maui, Kauai and Hanalei Bay.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (airports) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 UTC. Live blocks refresh every 15 minutes; climate averages monthly.
