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March is CHamoru Heritage Month — Guam's most culturally significant time of year. Expect traditional festivals, CHamoru language events, and a genuine window into island culture alongside continued excellent beach weather.
25–30°C (77–86°F)
Air temp
28°C (82°F)
Sea temp
Low
Rainfall
High
Crowds
at a glance
Weather
Guam weather in March is usually very reliable for beaches and water tours.
Crowds
March is a busy travel month in Guam, especially around holidays.
Prices
Prices are above average but still below holiday peaks.
Booking Window
Book 4–8 weeks ahead for better rates and availability.
why go
what's on
CHamoru Heritage Month
All of MarchMonth-long celebration of CHamoru culture with traditional food, language, dance, and arts events throughout the island.
Guam Tumon Bay Cultural Festival
Annual cultural celebration along Tumon Bay beachfront with CHamoru music, food, and craft demonstrations.
travel tips
Attend a CHamoru cultural event if you can — it's a unique window into the island's indigenous culture not available any other time of year.
March is a sweet spot: dry season weather with slightly lower prices than January. Consider March over January for better value.
Book the Cocos Island boat trip in advance — spring crowds make it popular.
common questions
March is officially designated CHamoru Heritage Month in Guam. It commemorates the island's indigenous CHamoru people and culture through festivals, traditional food events, language workshops, and dance performances held throughout the month.
Yes — March is excellent. The dry season is still in full effect, crowds are slightly lower than peak January–February, prices are marginally better, and the cultural events of CHamoru Month add unique experiences you can't get any other time.
Light summer clothing is all you need — shorts, T-shirts, and swimwear cover most of the day. March temperatures are slightly warmer than January–February (up to 30°C), so breathable fabrics are important. Sunscreen is essential. If attending CHamoru cultural events, a light respectful outfit (covered shoulders at church events) is appreciated. Comfortable sandals and water shoes round out the essentials.
Yes — CHamoru Heritage Month events are open and welcoming to all visitors. Events include traditional food and crafts demonstrations, CHamoru language workshops, dance and music performances, and cultural fairs. The Guam Visitors Bureau and local government websites publish schedules each March. Attending a CHamoru cultural event is one of the most meaningful experiences available on the island.