Guam
Guam in August
Where it is warm, dry and good for swimming in Guam in August — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Guam in August?
- Tamuning-Tumon-Harmon Village is the warmest of the 16 destinations compared, with highs of 30°C (86°F) in August; Dededo Village is the coolest at 30°C (85°F).
- Can you swim in the sea in Guam in August?
- Yes, in places: the warmest water is at Talofofo Village (29°C (85°F)), and 11 of the coastal destinations have a sea of 21 °C or more.
Warmest
30°
Tamuning-Tumon-Harmon Village
Coolest
30°
Dededo Village
Driest
342 mm
Dededo Village
Warmest sea
29°
Talofofo Village
Tamuning-Tumon-Harmon Village is the warm end of Guam in August (30°C (86°F)); Dededo Village the cool end (30°C (85°F)). On average it is about as warm as July. Rain is frequent in most destinations. Best bets this month: Hagåtña, Tamuning-Tumon-Harmon Village, and Tamuning.
Weather in August by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Hagåtña | 30° | 24° | 363 mm | — | 64 |
| Tamuning-Tumon-Harmon Village | 30° | 24° | 353 mm | — | 64 |
| Tamuning | 30° | 24° | 353 mm | — | 64 |
| Talofofo Village | 30° | 24° | 373 mm | 29° | 64 |
| Dededo Village | 30° | 24° | 342 mm | 29° | 64 |
| Yigo Village | 30° | 24° | 342 mm | 29° | 64 |
| Mangilao Village | 30° | 24° | 353 mm | 29° | 64 |
| Barrigada | 30° | 24° | 353 mm | 29° | 64 |
| Santa Rita | 30° | 24° | 380 mm | 29° | 64 |
| Mongmong-Toto-Maite Village | 30° | 24° | 353 mm | 29° | 64 |
| Chalan Pago-Ordot Village | 30° | 24° | 353 mm | 29° | 64 |
| Yona Village | 30° | 24° | 373 mm | 29° | 64 |
| Apotgan | 30° | 24° | 353 mm | — | 64 |
| Agana Heights Village | 30° | 24° | 363 mm | — | 64 |
| Adacao | 30° | 24° | 343 mm | 29° | 64 |
| Agat Village | 30° | 24° | 385 mm | 29° | 64 |
Frequently asked questions
What is the weather like in Guam in August?
Average daytime highs range from 30° in Dededo Village to 30° in Tamuning-Tumon-Harmon Village.
Can you swim in Guam in August?
Yes — the sea is warmest around Talofofo Village at about 29°.