Oahu Vejr Prognose
Oahu weather: 25°C, mest klart. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Klima in Oahu month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 25° | 18° | 108 mm | ★★★★☆ |
| februar | 25° | 17° | 56 mm | ★★★★☆ |
| marts | 25° | 19° | 152 mm | ★★★☆☆ |
| april | 26° | 19° | 120 mm | ★★★★☆ |
| maj | 27° | 20° | 100 mm | ★★★★☆ |
| juni | 28° | 21° | 36 mm | ★★★★★ |
| juli | 29° | 21° | 42 mm | ★★★★★ |
| august | 29° | 22° | 61 mm | ★★★★☆ |
| september | 29° | 22° | 36 mm | ★★★★☆ |
| oktober | 29° | 21° | 34 mm | ★★★★☆ |
| november | 27° | 20° | 42 mm | ★★★★☆ |
| december | 26° | 19° | 57 mm | ★★★★☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid Oahu
Go in juni, juli, august, september, oktober and november. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, marts and april - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Oahu
Højest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Oahu compares med nearby places
Annual averages, and the difference against Oahu.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Pearl Harbor National Memorial | 10 km | 25°C | +2°C warmer | 717 mm |
| Daniel K. Inouye International Airport | 15 km | 24°C | +1°C warmer | 717 mm |
| Honolulu | 21 km | 24°C | +1°C warmer | 717 mm |
| Honolulu County | 21 km | 24°C | +1°C warmer | 717 mm |
| Area Code 808 | 21 km | 24°C | +1°C warmer | 717 mm |
What og pack, what og skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid januar, marts and april - historically the least comfortable months here.
Se prognosen for Oahu efter tidsinterval
Oahu weather - more answers
Explore Oahu
Every topic we hold for this place, and the same topic for the places around it.
Vejr for related places
Frequently asked questions
Where is Oahu?
Oahu is an island in Hawaii. Its coordinates are 21.4389, -158.0001. It lies in Nordamerika.
What is the weather like in Oahu lige nu?
It is currently 25°C (78°F) med mest klart. Luftfugtighed is 65% and wind is 15 km/h.
When is the best time og visit Oahu?
juni, juli, august, september, oktober and november offer the most comfortable conditions in Oahu, which has a Mediterranean climate. januar, marts and april are usually the hardest months for outdoor plans.
What time zone is Oahu in?
Oahu observes Pacific/Honolulu (UTC-10:00). The local time is 3:54 PM.
What is the nearest airport og Oahu?
The closest airports are Daniel K. Inouye International Airport (HNL), 15 km away.
What are the top things og do in Oahu?
Popular options include Pearl Harbor National Memorial, Waikiki Beach, Kauai, Hanalei Bay, Maui and Haleakala National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr Service. |
| 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 oktober 4, 2026 at 3:54 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
