Guam Vær Værmelding
Guam weather: 25°C, heavy drizzle. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
Klima in Guam 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 | 30° | 25° | 63 mm | ★★★★☆ |
| februar | 30° | 25° | 62 mm | ★★★★☆ |
| mars | 31° | 25° | 120 mm | ★★★★☆ |
| april | 31° | 25° | 126 mm | ★★★☆☆ |
| mai | 32° | 26° | 136 mm | ★★★☆☆ |
| juni | 32° | 26° | 220 mm | ★★★☆☆ |
| juli | 31° | 25° | 421 mm | ★★☆☆☆ |
| august | 31° | 25° | 334 mm | ★★☆☆☆ |
| september | 31° | 25° | 335 mm | ★★☆☆☆ |
| oktober | 30° | 25° | 374 mm | ★★☆☆☆ |
| november | 31° | 26° | 140 mm | ★★★☆☆ |
| desember | 31° | 26° | 80 mm | ★★★★☆ |
Klima type: Tropical. Kilde: Open-Meteo archive (ERA5).
Beste tid å besøke Guam
Go in januar, februar and desember. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: juli, august and september - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Guam
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
What til pack, what til 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
- Insect repellent and quick-dry fabrics for humidity
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 57 km/h.
- If your dates are flexible, avoid juli, august and september - historically the least comfortable months here.
Se prognosen for Guam etter tidsintervall
Guam weather - more answers
Explore Guam
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 Guam?
Guam er et land i Oseania. Its coordinates are 13.4443, 144.7937. It lies in Oseania.
What is the weather like in Guam akkurat nå?
It is currently 25°C (76°F) med heavy drizzle. Luftfuktighet is 95% and wind is 16 km/h.
When is the best time til visit Guam?
januar, februar and desember offer the most comfortable conditions in Guam, which has a tropical climate. juli, august and september are usually the hardest months for outdoor plans.
What time zone is Guam in?
Guam observes Pacific/Guam (UTC+10:00). The local time is 12:04 PM.
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. |
|---|---|
| Værmelding 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. |
| 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 1, 2026 at 12:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





