When to go · Tumon
Tumon in January
Great month. Dry season; comfortable and busy.
Key facts
- Verdict
- Great
- Temperature
- 30°C86°F / 24°C75°F
- average high / low
- Rain days
- 15
- Crowds
- High
- Guam overall
- Prices
- High
- Guam overall
Verdict
Dry season; comfortable and busy.
Weather in January
- TumonHighs around 30 °C, lows around 24 °C, rain on about 15 daysHighs around 86 °F, lows around 75 °F, rain on about 15 days
- Guam, Guam · Tumon, Hagåtña, the south and the north plateaubest weather
Warm all year (26–31 °C). Dry trade-wind season January–May; rainy season July–November, when most typhoons pass. Guam lies in the zone where tropical storms form, so a storm is possible in any month.Warm all year (79–88 °F). Dry trade-wind season January–May; rainy season July–November, when most typhoons pass. Guam lies in the zone where tropical storms form, so a storm is possible in any month.
Dry season season
Calmest sea, best snorkel visibility, lowest rain.
Watch: Peak crowds and high prices in Jan–Feb.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Peak visitor season
Jan–Feb · Tumon strip
Hotels full; higher prices.
Lunar New Year visitor peak
Jan–Feb
Hotels full; higher prices; crowded strip.
New Year
1 Jan · Guam
Japanese and Korean New Year trips fill Tumon hotels late Dec to early Jan.
Crowds and prices
- Crowds · Guam overall
- High
- Prices · Guam overall
- High
Guam overall: Dry and breezy; Japanese and Korean winter holidays keep Tumon busy.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast