January in Ascona — workable with trade-offs
Trade-offs · 6.9/10January averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 77 mm, so plan one flexible day in three; you still get about 21 sunny days and 9.1 hours of daylight.
It scores 6.9/10 here, 11th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
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, April is materially better in Ascona — 1.7 points higher on the same scale.
February in Ascona — reliably good (5th best month)
Good · 7.6/10February averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 71 mm, so plan one flexible day in three; you still get about 20 sunny days and 10.4 hours of daylight.
It scores 7.6/10 here, 5th of 12 months, against 8.6/10 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.
March in Ascona — reliably good (4th best month)
Good · 7.8/10March averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 127 mm this is a genuinely wet month: about 23 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.8/10 here, 4th of 12 months, against 8.6/10 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.
April in Ascona — the year's strongest window
Best window · 8.6/10April averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 130 mm this is a genuinely wet month: about 23 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 Ascona at 8.6/10 — the reference point every other month on this page is measured against.
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 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.
May in Ascona — reliably good (2nd best month)
Good · 8/10May averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 189 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8/10 here, 2nd of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
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.
June in Ascona — reliably good (3rd best month)
Good · 8/10June averages 21°C (71°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 192 mm this is a genuinely wet month: about 26 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8/10 here, 3rd of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
July in Ascona — reliably good (9th best month)
Good · 7.3/10July averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
220 mm of rain puts this in monsoon territory — about 29 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.3/10 here, 9th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
August in Ascona — reliably good (8th best month)
Good · 7.4/10August averages 24°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 181 mm this is a genuinely wet month: about 28 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.4/10 here, 8th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
September in Ascona — reliably good (6th best month)
Good · 7.6/10September averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
227 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.6/10 here, 6th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
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.
October in Ascona — workable with trade-offs
Trade-offs · 6.9/10October averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
247 mm of rain puts this in monsoon territory — about 20 sunny days across the whole month, and multi-day washouts are normal.
It scores 6.9/10 here, 12th of 12 months, against 8.6/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
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.
If your dates are flexible, April is materially better in Ascona — 1.7 points higher on the same scale.
November in Ascona — reliably good (7th best month)
Good · 7.5/10November averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 88 mm, so plan one flexible day in three; you still get about 21 sunny days and 9.5 hours of daylight.
It scores 7.5/10 here, 7th of 12 months, against 8.6/10 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.
December in Ascona — reliably good (10th best month)
Good · 7.2/10December averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 56 mm, so plan one flexible day in three; you still get about 19 sunny days and 8.7 hours of daylight.
It scores 7.2/10 here, 10th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
