French Polynesia vs Guam

French Polynesia has no monthly cost data yet; Guam has no monthly cost data yet — not enough data to call a winner.

French Polynesia has no safety score data yet; Guam has no safety score data yet — not enough data to call a winner.

French Polynesia has no mobility score data yet; Guam has no mobility score data yet — not enough data to call a winner.

French Polynesia has no culture score data yet; Guam has no culture score data yet — not enough data to call a winner.

not scored

Guam is better connected: 3.8M passengers/yr against French Polynesia's 1.2M passengers/yr. French Polynesia is quieter than 85 of 87 countries worldwide; Guam is quieter than 72 of 87 countries worldwide. French Polynesia sees ~4 air passengers per resident a year; Guam sees ~23 air passengers per resident a year — a derived figure, not itself ranked.

French Polynesia runs 18°C to 32°C for most people; Guam runs 22°C to 34°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.