Longyearbyen vs Tromsø: which is better, month by month

Longyearbyen beats Tromsø in 6 of 12 months — its lead peaks in December (38 vs 28) — and they are within 3 points in the other 6 months.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Longyearbyen

🇸🇯 Svalbard and Jan Mayen · cold climate

Best month: July 91/100
Months won: 6 of 12

Tromsø

🇳🇴 Norway · continental climate

Best month: July 89/100
Months won: 0 of 12

Longyearbyen vs Tromsø — all 12 months

Month	Longyearbyen	Tromsø	Winner	Gap
January	33Ffreezing, a little rain, clean air	24Ffreezing, rainy, clean air	Longyearbyen	9
February	36Ffreezing, a little rain, clean air	33Ffreezing, rainy, clean air	Tie	3
March	46Ffreezing, a little rain, clean air	42Ffreezing, rainy, clean air	Longyearbyen	4
April	59Dfreezing, dry, clean air	58Dcold, rainy, clean air	Tie	1
May	75Bfreezing, a little rain, clean air	74Bcold, a little rain, clean air	Tie	1
June	87Acold, dry, clean air	83Acool, a little rain, clean air	Longyearbyen	4
July	91Scold, a little rain, clean air	89Anice, a little rain, clean air	Tie	2
August	85Acold, a little rain, clean air	80Acool, rainy, clean air	Longyearbyen	5
September	73Bcold, a little rain, clean air	70Bcool, rainy, clean air	Tie	3
October	54Dfreezing, a little rain, clean air	52Dcold, rainy, clean air	Tie	2
November	44Ffreezing, a little rain, clean air	36Ffreezing, rainy, clean air	Longyearbyen	8
December	38Ffreezing, a little rain, clean air	28Ffreezing, rainy, clean air	Longyearbyen	10

A month is a tie when the two are within 3 points. The widest gap is December (38 vs 28). Tap a month for that month's temperature, rain, humidity and air quality side by side.