How warm does Guam get?

Typical daytime highs in Guam are Mar–May 29°C (85°F), Jun–Aug 30°C (85°F), Sep–Nov 30°C (85°F), Dec–Feb 29°C (84°F).

On the ground, Guam is mid-range.

Guam

Q: What sort of trip is Guam good for?

Guam is good for sunshine and salt water, an unhurried pace, old stones and real towns, landscape doing the heavy lifting.

Guam · Guam · Hagåtña

A latte stone culture predating any colonial history by centuries, WWII battle sites preserved along beaches otherwise given over to resort sun loungers, and a duty-free shopping strip that draws day-trippers over from across the region.

The best time to visit Guam is Dec–Jun, when typical daytime highs reach about 29°C (85°F). Local time there is 19:32 (UTC+10).

Best time to go

Dec–Jun

Budget on the ground

$$ · mid-range

Nearest airport

GUM · Hagåtña

Good for

sunshine and salt water an unhurried pace old stones and real towns landscape doing the heavy lifting

In season

January February March April May June December

The year at a glance

Light0 to 24h High20 to 40°C68 to 104°F Rain0 to 540mm0 to 21.3in

January · high 83°F · rain 5.4in · 11.4h of daylight · in the recommended window

shaded columns are the recommended window

Measured at Hagåtña, this page’s gateway

Guam month by month, the same numbers the figure draws
Month	High °CHigh °F	Rain mmRain in	Light	Notes
January	28°C83°F	138mm5.4in	11.4h11.4h	in the recommended window
February	29°C83°F	112mm4.4in	11.7h11.7h	in the recommended window
March	29°C84°F	107mm4.2in	12.0h12.0h	in the recommended window
April	29°C85°F	138mm5.4in	12.4h12.4h	in the recommended window
May	30°C85°F	233mm9.2in	12.7h12.7h	in the recommended window
June	30°C86°F	200mm7.9in	12.9h12.9h	in the recommended window
July	30°C85°F	390mm15.4in	12.8h12.8h
August	29°C85°F	529mm20.8in	12.6h12.6h
September	30°C85°F	455mm17.9in	12.2h12.2h
October	29°C85°F	502mm19.8in	11.8h11.8h
November	30°C85°F	248mm9.8in	11.5h11.5h
December	29°C84°F	139mm5.5in	11.3h11.3h	in the recommended window

Good to know

Currency: USD · United States dollar
Language: English, Chamorro
Plug: A, B
Driving: on the right

United States: Type A, B at home, no adapter needed. 110 V there, 120 V at home: check your charger says 100-240 V.

Check your own plugs

Would your whole group agree on it?

Can't agree where to go? Set what's actually possible, answer eight quick questions each, and out comes the one destination that fits everybody. Even the little ones join in, with questions read aloud and picture answers. Two minutes each, no signup.

Try it with your group