Guam Météo Prévisions
Guam weather: 27°C, ciel dégagé. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Guam weather in septembre
One of the harder months here – go in avec a plan.
septembre runs close à the annual average in Guam.
Météo map for Guam
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Climat in Guam month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 30° | 25° | 63 mm | ★★★★☆ |
| février | 30° | 25° | 62 mm | ★★★★☆ |
| mars | 31° | 25° | 120 mm | ★★★★☆ |
| avril | 31° | 25° | 126 mm | ★★★☆☆ |
| mai | 32° | 26° | 136 mm | ★★★☆☆ |
| juin | 32° | 26° | 220 mm | ★★★☆☆ |
| juillet | 31° | 25° | 421 mm | ★★☆☆☆ |
| août | 31° | 25° | 334 mm | ★★☆☆☆ |
| septembre | 31° | 25° | 335 mm | ★★☆☆☆ |
| octobre | 30° | 25° | 374 mm | ★★☆☆☆ |
| novembre | 31° | 26° | 140 mm | ★★★☆☆ |
| décembre | 31° | 26° | 80 mm | ★★★★☆ |
Climat type: Tropical. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter Guam
Go in janvier, février and décembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: juillet, août and septembre – expect the least comfortable mix of heat, cold or rain.
What à pack, what à skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dim.glasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- Avoid exposed ridgelines, small boats and rooftop viewpoints tandis que gusts stay above 50 km/h.
- If your dates are flexible, avoid juillet, août and septembre – historically the least comfortable months here.
Voir les prévisions de Guam par période
Guam weather – more answers
Explore Guam
Every topic we hold for this place, and the same topic for the places around it.
Météo for related places
Frequently asked questions
Where is Guam?
Guam est un pays d’Océanie. Its coordinates are 13.4443, 144.7937. It lies in Océanie.
What is the weather like in Guam maintenant?
It is currently 27°C (80°F) avec ciel dégagé. Humidité is 84% and wind is 17 km/h.
When is the best time à visit Guam?
janvier, février and décembre offer the most comfortable conditions in Guam, which has a tropical climate. juillet, août and septembre are usually the hardest months for outdoor plans.
What time zone is Guam in?
Guam observes Pacific/Guam (UTC+10:00). The heure locale is 6:44 AM.
How many people live in Guam?
Guam has a population of approximately 170.000.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (countries-v1) – coordinates, hierarchy and facts. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat 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 octobre 23, 2026 at 6:44 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
