Chur weather in May

In May, Chur sees average daytime highs of 11°C and overnight lows near 1°C, with 140 mm of precipitation across 18.8 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 13°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Chur's 12th-clearest and 3rd-windiest month. For the whole year in context, see Chur's year-round climate.

Daytime high
11°
5th warmest
Overnight low
8th coldest
Precipitation
140 mm
18.8 wet days
Daylight
14 h 48 min
4:53 AM – 7:43 PM
Cloud cover
68%
12th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.6 kWh/m²
Travel score
2.0
out of 10

Chur is capital of the canton of Graubünden, Switzerland.

Air quality
Good
PM2.5 8.2 µg/m³ · 2020
Density
652/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 13°C by the end.

A typical May day in Chur reaches about 11°C in the afternoon and slips back to 1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 16°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
180
280
390
490
590
690
790
891
991
10101
11101
12101
13101
14101
15101
16101
17112
18112
19112
20112
21112
22112
23122
24122
25122
26123
27123
28123
29133
30133
31133

How May really feels in Chur

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 5 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
5
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Chur weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -12°7812.113.58.80.0
Feb-2° / -11°6911.512.6100.0
Mar / -7°911414.611.60.0
Apr / -3°10715.212.513.30.3
May11° / 14018.8714.82.0
Jun15° / 16418.92.115.63.5
Jul17° / 15417.80.715.34.4
Aug16° / 16316.50.5144.5
Sep13° / 12013.73.212.43.1
Oct / -0°11112.16.410.61.3
Nov / -6°11913.5139.20.0
Dec-3° / -11°9113.113.98.40.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
33070
43070
53070
63169
73169
83169
93169
103268
113268
123268
133268
143367
153367
163367
173367
183466
193466
203565
213664
223664
233763
243763
253763
263862
273763
283664
293664
303763
313664

Chance of precipitation in May

Any precipitationSnow

Chur gets around 140 mm of rain and snow over 18.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 61% and peaks near 67% on the wettest days, and about 7 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
15629
25729
35828
45828
55827
65927
75927
85926
96026
106026
116025
126125
136125
146125
156224
166224
176224
186223
196223
206222
216221
226221
236320
246319
256318
266417
276416
286515
296614
306613
316712

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:15 AM to 4:39 AM, and sunset from 7:23 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:157:23
214.25:137:24
314.25:127:26
414.35:107:27
514.35:097:29
614.45:077:30
714.45:067:31
814.55:047:33
914.55:037:34
1014.65:017:35
1114.65:007:37
1214.74:587:38
1314.74:577:39
1414.74:567:40
1514.84:557:42
1614.84:537:43
1714.94:527:44
1814.94:517:45
1914.94:507:47
2015.04:497:48
2115.04:487:49
2215.14:477:50
2315.14:467:51
2415.14:457:52
2515.24:447:54
2615.24:437:55
2715.24:427:56
2815.34:417:57
2915.34:407:58
3015.34:397:59
3115.34:398:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.6 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 5.69 kWh/m² in June across the year — May's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Chur?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.0
Sightseeing
5th-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Chur.

What to pack for Chur in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Chur sees daytime highs around 11°C and nights near 1°C. Pack a warm layer and rain gear. Worth having: sun protection. About 19 days see rain.

a warm layerrain gearsun protection

UV index in Chur in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chur peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar6High
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Chur?

Chur sits at 46.8°N, 9.5°E, 601 m above sea level, in Switzerland. The nearest listed city is Davos, 24 km away.

DavosVaduzBludenzFeldkirchSt. MoritzHohenemsHerisauDornbirn

Topography around Chur

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chur.

Within 3 km, the terrain around Chur has very significant variations in elevation — a maximum elevation change of 1,304 m around an average of 879 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,677 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,742 m.

The land around Chur is covered by trees (65%) within 3 km, trees (49%) and grassland (39%) within 16 km, and grassland (43%) and trees (37%) within 80 km.

3 km
1,304 m
16 km
2,677 m
80 km
3,742 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
May weather nearby: Davos 24 km · Vaduz 32 km · Bludenz 40 km · Feldkirch 43 km · St. Moritz 46 km · Hohenems 58 km · Herisau 63 km · Dornbirn 65 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chur (46.8499°, 9.5329°, elevation 601 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).