Guam
Guam in December
Where it is warm, dry and good for swimming in Guam in December — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Guam in December?
- Tamuning-Tumon-Harmon Village is the warmest of the 16 destinations compared, with highs of 29°C (85°F) in December; Yigo Village is the coolest at 29°C (84°F).
- Can you swim in the sea in Guam in December?
- Yes, in places: the warmest water is at Talofofo Village (28°C (83°F)), and 11 of the coastal destinations have a sea of 21 °C or more.
Warmest
29°
Tamuning-Tumon-Harmon Village
Coolest
29°
Yigo Village
Driest
142 mm
Dededo Village
Warmest sea
28°
Talofofo Village
December in Guam ranges from 29°C (84°F) in Yigo Village to 29°C (85°F) in Tamuning-Tumon-Harmon Village — a spread of 1 degrees across the country. On average it is about as warm as November. Rain is frequent in most destinations. Best bets this month: Hagåtña, Tamuning-Tumon-Harmon Village, and Tamuning.
Weather in December by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Hagåtña | 29° | 24° | 154 mm | — | 65 |
| Tamuning-Tumon-Harmon Village | 29° | 24° | 154 mm | — | 65 |
| Tamuning | 29° | 24° | 154 mm | — | 65 |
| Talofofo Village | 29° | 24° | 160 mm | 28° | 65 |
| Dededo Village | 29° | 24° | 142 mm | 28° | 65 |
| Yigo Village | 29° | 24° | 144 mm | 28° | 65 |
| Mangilao Village | 29° | 24° | 142 mm | 28° | 65 |
| Barrigada | 29° | 24° | 145 mm | 28° | 65 |
| Santa Rita | 29° | 24° | 166 mm | 28° | 65 |
| Mongmong-Toto-Maite Village | 29° | 24° | 149 mm | 28° | 65 |
| Chalan Pago-Ordot Village | 29° | 24° | 152 mm | 28° | 65 |
| Yona Village | 29° | 24° | 147 mm | 28° | 65 |
| Apotgan | 29° | 24° | 154 mm | — | 65 |
| Agana Heights Village | 29° | 24° | 156 mm | — | 65 |
| Adacao | 29° | 24° | 143 mm | 28° | 65 |
| Agat Village | 29° | 24° | 168 mm | 28° | 65 |
Frequently asked questions
What is the weather like in Guam in December?
Average daytime highs range from 29° in Yigo Village to 29° in Tamuning-Tumon-Harmon Village.
Can you swim in Guam in December?
Yes — the sea is warmest around Talofofo Village at about 28°.