Guam Klima and Average Vær
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 | ★★★★☆ |
| mars | 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° | 334 mm | ★★☆☆☆ |
| september | 31° | 25° | 335 mm | ★★☆☆☆ |
| oktober | 30° | 25° | 374 mm | ★★☆☆☆ |
| november | 31° | 26° | 140 mm | ★★★☆☆ |
| desember | 31° | 26° | 80 mm | ★★★★☆ |
Klima type: Tropical. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Guam
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
Beste tid å besøke Guam
Go in januar, februar and desember. 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 slightly warmer than average for oktober. The forecast high of 32°C is 1.7°C above the 30°C typical for this month.
A 99% 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 til august.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
What til pack, what til 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
- If your dates are flexible, avoid juli, august and september - historically the least comfortable months here.
Sammendrag
Guam er et land i Oseania. Guam er et land i Oceania med hovedstad Hagatna. Befolkningen er rundt 170.000. Hovedstaden er Hagatna.
Akkurat nå er det 30°C (86°F) in Guam med mest klart. Det føles som 33°C. I dag varierer temperaturen mellom 25°C til 32°C. Sannsynligheten for nedbør er 99%. Sightseeing conditions score 6.1/10 - greit — planlegg etter været.
Beste tidspunkt å besøke Guam is januar, februar and desember. Klimaet er tropical. juli, august and september tend til be the least comfortable months. mai is the warmest month med average highs near 32°C, while mars is the coldest med lows near 25°C.
Kort sagt. Today is slightly warmer than average for oktober. The forecast high of 32°C is 1.7°C above the 30°C typical for this month. The best window til be outside is roughly 6 PM til 9 PM, when temperature, rain chance and wind line up best. beach day is the strongest bet in Guam today at 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
| Type | Land |
|---|---|
| Kontinent | Oseania |
| Kontinent | Oseania |
| 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 |
| Tidssone | Pacific/Guam |
| Lokal tid | 10:48 AM (UTC+10:00) |
| Best months | januar, februar and desember |
| Klima | Tropical |
Vær map for Guam
Animated model layers. Pick a layer til 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 Oseania. Its coordinates are 13.4443, 144.7937. It lies in Oseania.
What is the weather like in Guam akkurat nå?
It is currently 30°C (86°F) med mest klart. Luftfuktighet is 64% and wind is 19 km/h.
When is the best time til visit Guam?
januar, februar and desember 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 10:48 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. |
|---|---|
| Værmelding 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 23, 2026 at 10:48 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
