Guam Klima and Average Wetter
Klima of Guam: average temperatures, rainfall and seasons month by month.
Klima in Guam month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mo.at | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | 30° | 25° | 63 mm | ★★★★☆ |
| Februar | 30° | 25° | 62 mm | ★★★★☆ |
| März | 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° | 313 mm | ★★☆☆☆ |
| September | 30° | 25° | 459 mm | ★★☆☆☆ |
| Oktober | 30° | 25° | 374 mm | ★★☆☆☆ |
| November | 31° | 26° | 140 mm | ★★★☆☆ |
| Dezember | 31° | 26° | 80 mm | ★★★★☆ |
Klima type: Tropical. Quelle: Open-Meteo archive (ERA5).
Recent extremes in Guam
Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
Beste Reisezeit Guam
Go in Januar, Februar and Dezember. 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.
What this means for Guam
Today is about average for August. The forecast high of 30°C is in line mit the 31°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 16 mm is forecast, which is enough und soak trails and slow traffic.
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 Juni und August.
The gap between the warmest and coldest month averages 1°C – an unusually even climate through the year.
What und pack, what und skip
- Lightweight, light-coloured clothing and a refillable water bottle
- So.glasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- Hoch-factor sunscreen and a long-sleeve sun layer for midday
- Insect repellent and quick-dry fabrics for humidity
- Avoid unshaded sightseeing between 10am and 4pm – the UV-Index peaks at 8.
- If your dates are flexible, avoid Juli, August and September – historically the least comfortable months here.
Zusammenfassung
Guam ist ein Land in Ozeanien. Guam ist ein Land in Oceania mit der Hauptstadt Hagatna. Die Einwohnerzahl beträgt etwa 170.000. Die Hauptstadt ist Hagatna.
Aktuell sind es 30°C (86°F) in Guam mit bedeckt. Die gefühlte Temperatur beträgt 33°C. Heute liegen die Temperaturen zwischen 24°C und 30°C. Die Niederschlagswahrscheinlichkeit beträgt 100%. Die Bedingungen für Besichtigungen erreichen 6.3/10 – ordentlich — wetter beachten.
Die beste Reisezeit für Guam is Januar, Februar and Dezember. Das Klima ist tropical. Juli, August and September sind meist die ungemütlichsten Mo.ate. Mai ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 32°C, während März ist der kälteste Mo.at mit Tiefstwerten um 25°C.
Kurz gesagt. Today is about average for August. The forecast high of 30°C is in line mit the 31°C typical for this month. The best window und be outside is roughly 7 AM und 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Guam today at 8.1/10. 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
| Typ | Land |
|---|---|
| Kontinent | Ozeanien |
| Kontinent | Ozeanien |
| Koordinaten | 13°26′39.5″N 144°47′37.3″E (13.4443, 144.7937) |
| Capital | Hagatna |
| Bevölkerung | 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 |
| Zeitzone | Pacific/Guam |
| Ortszeit | 12:39 PM (UTC+10:00) |
| Beste Mo.ate | Januar, Februar and Dezember |
| Klima | Tropical |
Wetter map for Guam
Animated model layers. Pick a layer und load it.
Animated layers by Windy. 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.
Klima for related places
Frequently asked questions
Where is Guam?
Guam ist ein Land in Ozeanien. Its coordinates are 13.4443, 144.7937. It lies in Ozeanien.
What is the weather like in Guam jetzt?
It is currently 30°C (86°F) mit bedeckt. Luftfeuchtigkeit is 68% and wind is 17 km/h.
When is the best time und visit Guam?
Januar, Februar and Dezember 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 Ortszeit is 12:39 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. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität 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 August 26, 2026 at 12:39 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
