When to go · Guam
Guam in May
Good month. Hottest and still mostly dry; Golden Week early in the month. Mawar hit in May 2023, so check forecasts.
Key facts
- Verdict
- Good
- Crowds
- High
- Guam
- Prices
- High
- Guam
Verdict
Hottest and still mostly dry; Golden Week early in the month. Mawar hit in May 2023, so check forecasts.
Is another month better than May?
May is rated good. These months rate higher:
Weather in May
- Guam · Tumon, Hagåtña, the south and the north plateauhot
Warm all year (26–31 °C (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.Warm all year (79–88 °F (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.
- Tumon31 °C (88 °F) / 25 °C (77 °F), 14 rain days88 °F (31 °C) / 77 °F (25 °C), 14 rain days
- Dededo32 °C (90 °F) / 26 °C (79 °F), 5 rain days90 °F (32 °C) / 79 °F (26 °C), 5 rain days
- Hagåtña33 °C (91 °F) / 26 °C (79 °F), 5 rain days91 °F (33 °C) / 79 °F (26 °C), 5 rain days
- Mangilao31 °C (88 °F) / 25 °C (77 °F), 14 rain days88 °F (31 °C) / 77 °F (25 °C), 14 rain days
- Talofofo31 °C (88 °F) / 25 °C (77 °F), 12 rain days88 °F (31 °C) / 77 °F (25 °C), 12 rain days
- Tamuning32 °C (90 °F) / 27 °C (81 °F), 7 rain days90 °F (32 °C) / 81 °F (27 °C), 7 rain days
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.
Golden Week (Japan) big impact
Late Apr – early May
Tumon's busiest week for Japanese visitors; book early.
Village fiestas
Weekends all year
Each village honours its patron saint with Mass, procession and open-house food; visitors are often welcomed.
Crowds and prices
- Crowds · Guam
- High
- Prices · Guam
- High
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Guam, side by side.
Verdict
May: Good
Jan: Great (better)
Crowds
May: High
Jan: High
Prices
May: High
Jan: High
Festivals listed
May: 2
Jan: 4
May: Hottest and still mostly dry; Golden Week early in the month. Mawar hit in May 2023, so check forecasts.
January: Dry and breezy; Japanese and Korean winter holidays keep Tumon busy.
Guam: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen