January in Arosa — the hardest end of the year
Hardest · 4.6/10January averages -6°C (21°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
Rainfall runs 89 mm, so plan one flexible day in three; you still get about 18 sunny days and 9 hours of daylight.
It scores 4.6/10 here, 11th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 3.7 points higher on the same scale.
February in Arosa — workable with trade-offs
Trade-offs · 5.8/10February averages -3°C (26°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 70 mm, so plan one flexible day in three; you still get about 21 sunny days and 10.3 hours of daylight.
It scores 5.8/10 here, 9th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 2.5 points higher on the same scale.
March in Arosa — workable with trade-offs
Trade-offs · 6.1/10March averages -2°C (29°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 87 mm, so plan one flexible day in three; you still get about 25 sunny days and 11.9 hours of daylight.
It scores 6.1/10 here, 8th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 2.2 points higher on the same scale.
April in Arosa — workable with trade-offs
Trade-offs · 6.5/10April averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 110 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.5/10 here, 7th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 1.8 points higher on the same scale.
May in Arosa — workable with trade-offs
Trade-offs · 6.7/10May averages 5°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 164 mm this is a genuinely wet month: about 26 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.7/10 here, 6th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 1.6 points higher on the same scale.
June in Arosa — the year's strongest window
Best window · 8.3/10June averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 120 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.
On our climate-comfort scale this is the top-ranked month of the year for Arosa at 8.3/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
July in Arosa — reliably good (3rd best month)
Good · 7.9/10July averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 156 mm this is a genuinely wet month: about 29 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.9/10 here, 3rd of 12 months, against 8.3/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
August in Arosa — reliably good (2nd best month)
Good · 8/10August averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 151 mm this is a genuinely wet month: about 27 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8/10 here, 2nd of 12 months, against 8.3/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
September in Arosa — reliably good (4th best month)
Good · 7.4/10September averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 121 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.4/10 here, 4th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
October in Arosa — workable with trade-offs
Trade-offs · 6.8/10October averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 98 mm, so plan one flexible day in three; you still get about 24 sunny days and 10.9 hours of daylight.
It scores 6.8/10 here, 5th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 1.5 points higher on the same scale.
November in Arosa — the hardest end of the year
Hardest · 4.9/10November averages -2°C (29°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 107 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.9/10 here, 10th of 12 months, against 8.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 3.4 points higher on the same scale.
December in Arosa — the hardest end of the year
Hardest · 4.5/10December averages -4°C (24°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 94 mm, so plan one flexible day in three; you still get about 17 sunny days and 8.6 hours of daylight.
It scores 4.5/10 here, 12th of 12 months, against 8.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Arosa — 3.8 points higher on the same scale.
