Guam weather in August 2024

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Guam in August. Check more long-term weather averages for Guam in August before you book your next holiday to Guam in 2024/2025.

31
31°C max day temperature
5
5 hours of sunshine per day
20
20 days with some rainfall
25
25°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
363
363 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

More about Guam

Guam by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guam

Carrentals.co.uk: Car hire offers from £6 a day

Sale

Find car hire worldwide from as little as £6 a day
Book car hire with no hidden costs & best price guarantee
Free cancellation up to 48 hours before pickup

Go to Carrentals.co.uk deal >>

View all Carrentals.co.uk offers

Car hire finder

Destination

The August weather guide for Guam, represented by Agana, (Agana) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in Guam in August?

Daytime temperatures usually reach 31°C in Agana, Guam in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Guam in August?

There are normally 5 hours of bright sunshine each day in Agana, Guam in August - that's 37% of daylight hours.

How warm is the sea around Guam in August?

The average sea temperature around Agana, Guam in August is 29°C.

Does it rain in Guam in August?

There are usually 20 days with some rain in Agana, Guam in August and the average monthly rainfall is 363mm.

What is the chance of a typhoon in Guam in August?

On average 2.2 days in August in Agana, Guam are likely to be affected by the passage of one or more tropical storms.

Guam August sunrise & sunset times

Browse the sunrise and sunset times for Guam in August 2024. Select a month to view Guam sunrise and sunset times for the next 12 months. The Guam sunrise and sunset times shown below are for Agana.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Thursday, 1st August 2024	06:06	18:49
Friday, 16th August 2024	06:08	18:42
Saturday, 31st August 2024	06:10	18:33

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Guam - quick facts
Time difference	UK +10 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (110V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches
Tourist info	Guam Visitors Bureau