Jotunheimen vs Oslo: which is better, month by month
Jotunheimen beats Oslo in 5 of 12 months — its lead peaks in October (69 vs 59) — while Oslo wins July; 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.
Jotunheimen vs Oslo — all 12 months
A month is a tie when the two are within 3 points. The widest gap is October (69 vs 59). Tap a month for that month's temperature, rain, humidity and air quality side by side.