Oahu Sää Ennuste
Oahu weather: 26°C, selkeää. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Oahu weather in heinäkuu
One of the best months ja visit Oahu.
heinäkuu runs 1°C warmer than the annual average in Oahu.
Sää map for Oahu
Animated model layers. Pick a layer ja load it.
Animated layers by Tuuliy. For pin-level detail and nearby places, see the interactive map below.
Ilmasto in Oahu month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | 25° | 18° | 108 mm | ★★★★☆ |
| helmikuu | 25° | 17° | 56 mm | ★★★★☆ |
| maaliskuu | 25° | 19° | 152 mm | ★★★☆☆ |
| huhtikuu | 26° | 19° | 120 mm | ★★★★☆ |
| tou | 27° | 20° | 100 mm | ★★★★☆ |
| kesäkuu | 28° | 21° | 36 mm | ★★★★★ |
| heinäkuu | 29° | 21° | 42 mm | ★★★★★ |
| elokuu | 29° | 22° | 61 mm | ★★★★☆ |
| syyskuu | 29° | 22° | 36 mm | ★★★★☆ |
| lokakuu | 29° | 21° | 34 mm | ★★★★☆ |
| marraskuu | 27° | 20° | 42 mm | ★★★★☆ |
| joulukuu | 26° | 19° | 57 mm | ★★★★☆ |
Ilmasto type: Mediterranean. Lähde: Open-Meteo archive (ERA5).
Paras aika vierailla Oahu
Go in kesäkuu, heinäkuu, elokuu, syyskuu, lokakuu and marraskuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: tammikuu, maaliskuu and huhtikuu - expect the least comfortable mix of heat, cold or rain.
What ja pack, what ja skip
- Lightweight, light-coloured clothing and a refillable water bottle
- suglasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid tammikuu, maaliskuu and huhtikuu - historically the least comfortable months here.
How Oahu compares ja 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 |
Katso kohteen Oahu ennuste aikavälin mukaan
Oahu weather - more answers
Explore Oahu
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Oahu?
Oahu is an island in Hawaii. Its coordinates are 21.4389, -158.0001. It lies in Pohjois-Amerikka.
What is the weather like in Oahu nyt?
It is currently 26°C (78°F) ja selkeää. Kosteus is 65% and wind is 15 km/h.
When is the best time ja visit Oahu?
kesäkuu, heinäkuu, elokuu, syyskuu, lokakuu and marraskuu offer the most comfortable conditions in Oahu, which has a Mediterranean climate. tammikuu, maaliskuu and huhtikuu 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 5:35 PM.
What is the nearest airport ja Oahu?
The closest airports are Daniel K. Inouye International Airport (HNL), 15 km away.
What are the top things ja 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. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Sää 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 lokakuu 22, 2026 at 5:35 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
