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A good place. At the right time.

Best time to visitEastern Switzerland & Graubünden.

Plan your visit

Find your month.

Temperature unit for this guide
What matters most?

Start with May.

#1 of 12 · Balanced · 6.5/10

Overnight stays are 31% of the busiest month.

Based on Ostschweiz regional averages.

Afternoon high
65°F
Daylight
about 15 hours
Crowds
Low

This weather score measures sightseeing comfort. Snow and ski conditions need a separate check.

Historical averages, not forecasts or live prices.

Illustration of Landwasser Viaduct near Filisur from the forested hillside viewpoint
Landwasser Viaduct, Graubünden

A regional guide. Figures cover Ostschweiz, including St. Moritz, Davos and St. Gallen. Conditions vary within the region. Part of The Swiss Alps; see the Switzerland guide for the wider area.

The whole calendar

Already have dates?

Explore your month, then weigh up the trade-offs.

Choose your month
Average afternoon highsTop 3 matches · Balanced priorities

May at a glance

Balanced match #1 · 6.5/10

Overnight stays are 31% of the busiest month.

This weather score measures sightseeing comfort. Snow and ski conditions need a separate check.

Read the May guide
Afternoon high
65°F
Night low
46°F
Rain days
14
Daylight
15h 01m
Crowds
Low

All 12 months, on the same measures. Tap a heading to sort or a month to open its guide.Select a month to open its guide. Scroll the table for more detail.

Eastern Switzerland & Graubünden · all 12 months
RankMonthOverallWeatherCrowdsCostHighLowRain daysDaylight
#1May 6.5 6.8/10 Good LowExpensive 65°F46°F 1415h 01m
#2June 6.4 7.8/10 Very good ModerateExpensive 74°F54°F 1315h 51m
#3April 6.4 6.5/10 Good LowExpensive 59°F38°F 1013h 32m
#4September 6.3 7.8/10 Very good ModerateExpensive 68°F49°F 1012h 38m
#5October 6.0 6.5/10 Good ModerateExpensive 60°F42°F 1010h 59m
#6November 5.9 4.9/10 Fair LowExpensive 49°F34°F 109h 25m
#7July 5.8 8.1/10 Very good BusyExpensive 76°F56°F 1415h 33m
#8August 5.7 8.0/10 Very good PeakExpensive 76°F55°F 1214h 17m
#9March 5.0 5.7/10 Good BusyExpensive 52°F32°F 1011h 49m
#10December 4.6 4.2/10 Fair ModerateExpensive 42°F28°F 148h 34m
#11January 3.9 3.9/10 Fair BusyExpensive 40°F26°F 128h 55m
#12February 3.7 4.6/10 Fair PeakExpensive 44°F27°F 810h 16m

Overall follows your priorities. Crowds compare each month with this place's own year. Highs, lows and rain days are historical averages for 2011–2025.

A little perspective

The shape of the year.

Temperature unit for this page
Afternoon highNight low

Top balanced match · May

Historical monthly averages. Gaps mean data is unavailable. The comparison table above lists all months in text. The dotted vertical line marks the selected month.Temperature · °F15°30°45°60°75°90°January: 40°F afternoon highFebruary: 44°F afternoon highMarch: 52°F afternoon highApril: 59°F afternoon highMay: 65°F afternoon highJune: 74°F afternoon highJuly: 76°F afternoon highAugust: 76°F afternoon highSeptember: 68°F afternoon highOctober: 60°F afternoon highNovember: 49°F afternoon highDecember: 42°F afternoon highJanuary: 26°F night lowFebruary: 27°F night lowMarch: 32°F night lowApril: 38°F night lowMay: 46°F night lowJune: 54°F night lowJuly: 56°F night lowAugust: 55°F night lowSeptember: 49°F night lowOctober: 42°F night lowNovember: 34°F night lowDecember: 28°F night lowRain days150January: 12 rain days12February: 8 rain days8March: 10 rain days10April: 10 rain days10May: 14 rain days14June: 13 rain days13July: 14 rain days14August: 12 rain days12September: 10 rain days10October: 10 rain days10November: 10 rain days10December: 14 rain days14Crowds · stronger shading means busierJanuary: BusyJanFebruary: PeakFebMarch: BusyMarApril: LowAprMay: LowMayJune: ModerateJunJuly: BusyJulAugust: PeakAugSeptember: ModerateSepOctober: ModerateOctNovember: LowNovDecember: ModerateDec Historical monthly averages. Gaps mean data is unavailable. The comparison table above lists all months in text. The dotted vertical line marks the selected month.Temperature · °F15°30°45°60°75°90°January: 40°F afternoon highFebruary: 44°F afternoon highMarch: 52°F afternoon highApril: 59°F afternoon highMay: 65°F afternoon highJune: 74°F afternoon highJuly: 76°F afternoon highAugust: 76°F afternoon highSeptember: 68°F afternoon highOctober: 60°F afternoon highNovember: 49°F afternoon highDecember: 42°F afternoon highJanuary: 26°F night lowFebruary: 27°F night lowMarch: 32°F night lowApril: 38°F night lowMay: 46°F night lowJune: 54°F night lowJuly: 56°F night lowAugust: 55°F night lowSeptember: 49°F night lowOctober: 42°F night lowNovember: 34°F night lowDecember: 28°F night lowRain days150January: 12 rain days12February: 8 rain days8March: 10 rain days10April: 10 rain days10May: 14 rain days14June: 13 rain days13July: 14 rain days14August: 12 rain days12September: 10 rain days10October: 10 rain days10November: 10 rain days10December: 14 rain days14Crowds · stronger shading means busierJanuary: BusyJanFebruary: PeakMarch: BusyApril: LowMay: LowMayJune: ModerateJuly: BusyAugust: PeakSeptember: ModerateSepOctober: ModerateNovember: LowDecember: ModerateDec
Explore a month

May

High
65°F
Low
46°F
Rain
14 days
Crowds
Low

Ostschweiz regional averages · Historical patterns, not a forecast. Gaps mean no data. Crowds compare months within this region.

The busiest month records 5.7 times the overnight stays of the quietest.

Very-good-or-better weather scores: June to September. No month has a poor weather score.

Peak-season months: February and August. Low-season months: April to May and November.

The two busiest months account for 26% of annual overnight stays.

Winter weather scores here measure comfort for sightseeing and walking, not skiing: snow and ski conditions aren't in them.

On the 2024 EU comparison, Switzerland's restaurants and hotels are well above EU average.

Before you go

Pack a little context.

Fewer crowds

November is quietest.

November, at 17% of the busiest month (February). Low season, under 35% of the peak: April to May and November.

Good weather

June and September, outside the busy season.

Very good or better June to September. July has the highest displayed weather score (8.1/10). Highest weather score outside the busy season: June and September. These scores measure sightseeing comfort, not snow or ski conditions.

Lower prices

October to December.

These are three lower-price months on Switzerland's historical 2024–2025 national hotel index. It cannot identify this region's cheapest bookable rooms.

School holidays

School breaks span different visitor seasons.

If your dates follow US school breaks: June falls in moderate season; July falls in busy season; August falls in peak season. Spring break spans busy season in March and low season in April.

Local families travel too: at least 30% of people in Switzerland live where schools are out on a typical day October. Switzerland's school calendar for January to September isn't fully published yet. (School holidays: OpenHolidays, ODbL.)

About these answers

These are historical seasonal patterns. Crowds compare a month with this place's own busiest month; they do not measure queues at individual sights. Weather answers use the displayed weather scores. These seasonal facts stay the same when you change your priorities; your Overall recommendation updates above. Prices retain the scope stated beside them. Full methodology.

Choose your season

The year, season by season.

Winter

Dec–Feb

A quieter start, a busier finish.

December falls in moderate season; January falls in busy season; February falls in peak season.

40–44°FAfternoon highs

Spring

Mar–May

A busier start, a quieter finish.

March falls in busy season; April and May fall in low season.

52–65°FAfternoon highs

Summer

Jun–Aug

A quieter start, a busier finish.

June falls in moderate season; July falls in busy season; August falls in peak season.

74–76°FAfternoon highs

Autumn

Sep–Nov

A busier start, a quieter finish.

September and October fall in moderate season; November falls in low season.

49–68°FAfternoon highs

Ranges span monthly average afternoon highs, not daily extremes. Conditions and seasonal openings vary within Eastern Switzerland & Graubünden.

How we know

The default Balanced Overall weighs weather 50%, crowds 30% and cost 20%. Your priority choice updates the Overall, month ranks and recommendation. While your weather weight is at least 40%, Overall cannot exceed weather by more than 2. Close scores can describe different trip experiences. How the scores work.

Statistical regionCH05 · Ostschweiz
Region typeMountains (Eurostat NUTS3 typologies weighted by population: urban 0%, coastal 0%, mountain 76%; median ground height 973 m)
Population used1.3 million (1 January 2025)
Crowd reference years2024–2025 average
How our weather was checked25 open weather stations in this region, January and July: afternoon highs typically within 2°F (0.9°C), night lows within 1°F (0.6°C).
Climate indexHCI:Urban, observed climatology over 15 years (2011–2025)
Hotel occupancy (annual)50%
Accommodation mix63% hotels, 7% camping
Country price level (restaurants & hotels, EU27 = 100)171
Daylight latitude46.91° N

Crowds: Eurostat nights spent at tourist accommodation establishments by month and NUTS 2 region, per 1,000 inhabitants, divided by days in the month. "Season here" is the month's figure as a share of this region's busiest month. "Visitors" ranks overnight visitors per resident against all Europe's regions that month. Weather: Holiday Climate Index (Scott et al. 2016; Rutty et al. 2020) computed from ERA5 reanalysis with daily highs, night lows and rain days corrected from open national weather-service station records and population-weighted to the region. Prices are national. Hand-written notes are marked and nothing depends on them. Full method · this region's data.