Guam Klima and Average Vejr
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.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 30° | 25° | 63 mm | ★★★★☆ |
| februar | 30° | 25° | 62 mm | ★★★★☆ |
| marts | 31° | 25° | 120 mm | ★★★★☆ |
| april | 31° | 25° | 126 mm | ★★★☆☆ |
| maj | 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 | ★★★☆☆ |
| december | 31° | 26° | 80 mm | ★★★★☆ |
Klima type: Tropical. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Guam
Højest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
Bedste rejsetid Guam
Go in januar, februar and december. 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 oktober. The forecast high of 29°C is in line med the 30°C typical for this month.
A 98% chance means rain is expected over most of the area. Plan indoor alternatives. Around 12 mm is forecast, which is enough og soak trails and slow traffic.
Vindstød og 59 km/h will push high-sided vehicles on exposed roads and bridges. 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 og august.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
What og pack, what og 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 59 km/h.
- If your dates are flexible, avoid juli, august and september - historically the least comfortable months here.
Resumé
Guam er et land i Oceanien. Guam er et land i Oceania med hovedstad Hagatna. Der bor omkring 170.000. Hovedstaden er Hagatna.
Lige nu er det 28°C (82°F) in Guam med light drizzle. Det føles som 29°C. I dag ligger temperaturen mellem 26°C og 29°C. Sandsynligheden for nedbør er 98%. Sightseeing conditions score 6.1/10 - rimelige — planlæg efter vejret.
Det bedste tidspunkt at besøge Guam is januar, februar and december. Klimaet er tropical. juli, august and september tend og be the least comfortable months. maj is the warmest month med average highs near 32°C, while marts is the coldest med lows near 25°C.
Kort sagt. Today is about average for oktober. The forecast high of 29°C is in line med the 30°C typical for this month. The best window og be outside is roughly 6 PM og 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Guam today at 7.6/10. Vindstød og 59 km/h will push high-sided vehicles on exposed roads and bridges. 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
| Type | Land |
|---|---|
| Kontinent | Oceanien |
| Kontinent | Oceanien |
| Koordinater | 13°26′39.5″N 144°47′37.3″E (13.4443, 144.7937) |
| Capital | Hagatna |
| Befolkning | 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 |
| Tidszone | Pacific/Guam |
| Lokal tid | 6:03 PM (UTC+10:00) |
| Best months | januar, februar and december |
| Klima | Tropical |
Vejr map for Guam
Animated model layers. Pick a layer og load it.
Animated layers by Vindy. 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 er et land i Oceanien. Its coordinates are 13.4443, 144.7937. It lies in Oceanien.
What is the weather like in Guam lige nu?
It is currently 28°C (82°F) med light drizzle. Luftfugtighed is 81% and wind is 33 km/h.
When is the best time og visit Guam?
januar, februar and december 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 6:03 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. |
|---|---|
| Prognose 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 6:03 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
