Guam Klimat and Average Väder
Klimat of Guam: average temperatures, rainfall and seasons month by month.
Klimat in Guam month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 30° | 25° | 63 mm | ★★★★☆ |
| februari | 30° | 25° | 62 mm | ★★★★☆ |
| mars | 31° | 25° | 120 mm | ★★★★☆ |
| april | 31° | 25° | 126 mm | ★★★☆☆ |
| maj | 32° | 26° | 136 mm | ★★★☆☆ |
| juni | 32° | 26° | 220 mm | ★★★☆☆ |
| juli | 31° | 25° | 421 mm | ★★☆☆☆ |
| augusti | 31° | 25° | 334 mm | ★★☆☆☆ |
| september | 31° | 25° | 335 mm | ★★☆☆☆ |
| oktober | 30° | 25° | 374 mm | ★★☆☆☆ |
| november | 31° | 26° | 140 mm | ★★★☆☆ |
| december | 31° | 26° | 80 mm | ★★★★☆ |
Klimat type: Tropical. Källa: Open-Meteo archive (ERA5).
Recent extremes in Guam
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
Bästa tiden att besöka Guam
Go in januari, februari and december. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: juli, augusti and september - expect the least comfortable mix of heat, cold or rain.
What this means for Guam
Today is slightly warmer than average for oktober. The forecast high of 32°C is 2.1°C above the 30°C typical for this month.
A 97% 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 juni och augusti.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, 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 juli, augusti and september - historically the least comfortable months here.
Sammanfattning
Guam är ett land i Oceanien. Guam är ett land i Oceania med huvudstad Hagatna. Befolkningen är cirka 170.000. Huvudstaden är Hagatna.
Just nu är det 27°C (80°F) in Guam med klart. Det känns som 30°C. I dag varierar temperaturen mellan 25°C och 32°C. Risken för nederbörd är 97%. Sightseeing conditions score 7/10 - bra förhållanden.
Bästa tiden att besöka Guam is januari, februari and december. Klimatet är tropical. juli, augusti and september tend och be the least comfortable months. maj is the warmest month med average highs near 32°C, while mars is the coldest med lows near 25°C.
Enkelt förklarat. Today is slightly warmer than average for oktober. The forecast high of 32°C is 2.1°C above the 30°C typical for this month. The best window och be outside is roughly 7 AM och 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Guam today at 8/10. 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 | 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 |
| Tidszon | Pacific/Guam |
| Lokal tid | 1:53 AM (UTC+10:00) |
| Best months | januari, februari and december |
| Klimat | Tropical |
Väder map for Guam
Animated model layers. Pick a layer och 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.
Klimat for related places
Frequently asked questions
Where is Guam?
Guam är ett land i Oceanien. Its coordinates are 13.4443, 144.7937. It lies in Oceanien.
What is the weather like in Guam just nu?
It is currently 27°C (80°F) med klart. Luftfuktighet is 81% and wind is 14 km/h.
When is the best time och visit Guam?
januari, februari and december offer the most comfortable conditions in Guam, which has a tropical climate. juli, augusti 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 1:53 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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 24, 2026 at 1:53 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





