Fiji vs Guam

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

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

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

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

Fiji's passport reaches 54 destinations visa-free; Guam has no passport baseline yet. Not scored in the tally.

Between the two, Guam is better connected — 3.8M passengers/yr vs 2.3M passengers/yr. Fiji is quieter than 81 of 87 countries worldwide; Guam is quieter than 72 of 87 countries worldwide. Fiji sees ~3 air passengers per resident a year; Guam sees ~23 air passengers per resident a year — a derived figure, not itself ranked.

Fiji runs 17°C to 35°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.