País in Oceanía

Guam Clima and Average Tiempo

Clima of Guam: average temperatures, rainfall and seasons month by month.

☁️ 31°C now🕔 11:18 AM local📅 Best: enero, febrero and diciembre👥 170.000

Clima in Guam month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

enefebmarabrmayjunjulagosepoctnovdicLine: average high · Bars: rainfall
MesMáx. mediaMín. mediaPrecip.itacionesValoración
enero30°25°63 mm★★★★
febrero30°25°62 mm★★★★
marzo31°25°120 mm★★★★
abril31°25°126 mm★★★☆☆
may32°26°136 mm★★★☆☆
junio32°26°220 mm★★★☆☆
julio31°25°421 mm★★☆☆☆
agosto31°25°313 mm★★☆☆☆
septiembre30°25°459 mm★★☆☆☆
octubre30°25°374 mm★★☆☆☆
noviembre31°26°140 mm★★★☆☆
diciembre31°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.

Hottest day34°Cjun 10, 2026
Coldest night23°Cmar 3, 2024
Wettest day247 mmjul 6, 2026

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.

enero★★★★
febrero★★★★
marzo★★★★
abril★★★☆☆
may★★★☆☆
junio★★★☆☆
julio★★☆☆☆
agosto★★☆☆☆
septiembre★★☆☆☆
octubre★★☆☆☆
noviembre★★★☆☆
diciembre★★★★

What this means for Guam

Compared con normal

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.

Lluvia chance explained

A 94% chance means rain is expected over most of the area. Plan indoor alternatives.

Viajes and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.

Worth knowing

Northern Hemisphere, so peak summer falls in junio a agosto.

Worth knowing

The gap between the warmest and coldest month averages 1°C – an unusually even climate through the year.

What a pack, what a skip

Pack for the next 7 days
  • 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
Worth avoiding
  • 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

TipoPaís
ContinenteeOceanía
ContinenteeOceanía
Coordenadas13°26′39.5″N 144°47′37.3″E (13.4443, 144.7937)
CapitalHagatna
Población170.000
Area544 km²
ISO codeGU
ISO 3166-1 alpha-3GUM
CurrencyUS dollar (USD)
LanguagesEnglish, Chamorro
Calling code+1-671
Zona horariaPacific/Guam
Hora local11:18 AM (UTC+10:00)
Mejores mesesenero, febrero and diciembre
ClimaTropical

Tiempo map for Guam

Animated model layers. Pick a layer a load it.

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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 dataUSPOTUS Atlas dataset (countries-v1) – coordinates, hierarchy and facts.
Pronóstico and observationsOpen-Meteo (ECMWF and national models).
Calidad del aire and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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