Guam Clima and Average Tiempo
Clima of Guam: average temperatures, rainfall and seasons month by month.
Clima in Guam month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mes | Máx. media | Mín. media | Precip.itaciones | Valoración |
|---|---|---|---|---|
| enero | 30° | 25° | 63 mm | ★★★★☆ |
| febrero | 30° | 25° | 62 mm | ★★★★☆ |
| marzo | 31° | 25° | 120 mm | ★★★★☆ |
| abril | 31° | 25° | 126 mm | ★★★☆☆ |
| may | 32° | 26° | 136 mm | ★★★☆☆ |
| junio | 32° | 26° | 220 mm | ★★★☆☆ |
| julio | 31° | 25° | 421 mm | ★★☆☆☆ |
| agosto | 31° | 25° | 313 mm | ★★☆☆☆ |
| septiembre | 30° | 25° | 459 mm | ★★☆☆☆ |
| octubre | 30° | 25° | 374 mm | ★★☆☆☆ |
| noviembre | 31° | 26° | 140 mm | ★★★☆☆ |
| diciembre | 31° | 26° | 80 mm | ★★★★☆ |
Clima type: Tropical. Fuente: Open-Meteo archive (ERA5).
Recent extremes in Guam
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
Mejor época para visitar Guam
Go in enero, febrero and diciembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: julio, agosto and septiembre – expect the least comfortable mix of heat, cold or rain.
What this means for Guam
Today is slightly warmer than average for agosto. The forecast high of 32°C is 1.5°C above the 31°C typical for this month.
A 94% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.
Northern Hemisphere, so peak summer falls in junio a agosto.
The gap between the warmest and coldest month averages 1°C – an unusually even climate through the year.
What a pack, what a skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dom.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
- If your dates are flexible, avoid julio, agosto and septiembre – historically the least comfortable months here.
Resumen
Guam es un país de Oceanía. Guam es un país de Oceania cuya capital es Hagatna. Tiene una población de aproximadamente 170.000. La capital es Hagatna.
Ahora mismo hay 31°C (88°F) in Guam con cubierto. La sensación térmica es de 36°C. Hoy las temperaturas van de 26°C a 32°C. La probabilidad de precipitación es del 94%. Las condiciones para hacer turismo obtienen 6.1/10 – aceptable — planifica según el tiempo.
La mejor época para visitar Guam is enero, febrero and diciembre. El clima es tropical. julio, agosto and septiembre suelen ser los meses menos cómodos. may es el mes más cálido, con máximas medias cercanas a 32°C, mientras marzo es el mes más frío, con mínimas cercanas a 25°C.
En términos sencillos. Today is slightly warmer than average for agosto. The forecast high of 32°C is 1.5°C above the 31°C typical for this month. The best window a be outside is roughly 7 AM a 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Guam today at 7.7/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Guam
| Tipo | País |
|---|---|
| Continentee | Oceanía |
| Continentee | Oceanía |
| Coordenadas | 13°26′39.5″N 144°47′37.3″E (13.4443, 144.7937) |
| Capital | Hagatna |
| Población | 170.000 |
| Area | 544 km² |
| ISO code | GU |
| ISO 3166-1 alpha-3 | GUM |
| Currency | US dollar (USD) |
| Languages | English, Chamorro |
| Calling code | +1-671 |
| Zona horaria | Pacific/Guam |
| Hora local | 11:18 AM (UTC+10:00) |
| Mejores meses | enero, febrero and diciembre |
| Clima | Tropical |
Tiempo map for Guam
Animated model layers. Pick a layer a load it.
Animated layers by Vientoy. For pin-level detail and nearby places, see the interactive map below.
Explore Guam
Every topic we hold for this place, and the same topic for the places around it.
Clima for related places
Frequently asked questions
Where is Guam?
Guam es un país de Oceanía. Its coordinates are 13.4443, 144.7937. It lies in Oceanía.
What is the weather like in Guam ahora mismo?
It is currently 31°C (88°F) con cubierto. Humedad is 64% and wind is 17 km/h.
When is the best time a visit Guam?
enero, febrero and diciembre offer the most comfortable conditions in Guam, which has a tropical climate. julio, agosto and septiembre are usually the hardest months for outdoor plans.
What time zone is Guam in?
Guam observes Pacific/Guam (UTC+10:00). The hora local is 11:18 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. |
|---|---|
| Pronóstico and observations | Open-Meteo (ECMWF and national models). |
| Calidad del aire and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima 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 agosto 25, 2026 at 11:18 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.





