St. Moritz weather in May

In May, St. Moritz sees average daytime highs of 7°C and overnight lows near -1°C, with 133 mm of precipitation across 18.5 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 9°C by the end. The sky is clear or mostly clear about 14% 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 St. Moritz's 12th-clearest and 6th-windiest month. For the whole year in context, see St. Moritz's year-round climate.

Daytime high: 7°; 5th warmest
Overnight low: -1°; 8th coldest
Precipitation: 133 mm; 18.5 wet days
Daylight: 14 h 48 min; 4:53 AM – 7:41 PM
Cloud cover: 71%; 12th clearest
Wind: 6 km/h; 6th windiest
Solar energy: 5.98 kWh/m²
Travel score: 0.7; out of 10

← April St. Moritz year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 9°C by the end.

A typical May day in St. Moritz reaches about 7°C in the afternoon and slips back to -1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 12°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	5	5	5	5	5	6	6	6	6	6	6	6	6	7	7	7	7	7	7	8	8	8	8	8	9	9	9	9	9	10	10
Avg low (°C)	-2	-2	-2	-2	-2	-2	-2	-1	-1	-1	-1	-1	-1	-1	-1	-1	-1	0	0	0	0	0	0	0	0	0	1	1	1	1	1

	Avg high (°C)	Avg low (°C)
1	5	-2
2	5	-2
3	5	-2
4	5	-2
5	5	-2
6	6	-2
7	6	-2
8	6	-1
9	6	-1
10	6	-1
11	6	-1
12	6	-1
13	6	-1
14	7	-1
15	7	-1
16	7	-1
17	7	-1
18	7	0
19	7	0
20	8	0
21	8	0
22	8	0
23	8	0
24	8	0
25	9	0
26	9	0
27	9	1
28	9	1
29	9	1
30	10	1
31	10	1

How May really feels in St. Moritz

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

St. Moritz weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-7° / -15°	75	11	12.6	8.8	0.0
Feb	-5° / -14°	61	10.4	11.6	10	0.0
Mar	-1° / -10°	74	12	13.7	11.6	0.0
Apr	2° / -5°	106	14.7	14.1	13.3	0.0
May	7° / -1°	133	18.5	10.6	14.8	0.7
Jun	12° / 3°	156	19.1	3.7	15.5	2.6
Jul	14° / 5°	158	19.4	1.2	15.2	3.4
Aug	14° / 5°	161	18.2	1.4	14	3.3
Sep	10° / 1°	108	13.4	4.1	12.4	2.0
Oct	5° / -2°	119	11.9	8.1	10.7	0.4
Nov	-1° / -8°	143	13.7	14.1	9.2	0.0
Dec	-6° / -13°	83	12.2	13.4	8.4	0.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 71%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	27	27	26	25	25	25	25	25	26	25	25	26	26	26	26	27	27	28	30	30	31	32	32	33	34	34	34	34	34	33	33
Cloudier (%)	73	73	74	75	75	75	75	75	74	75	75	74	74	74	74	73	73	72	70	70	69	68	68	67	66	66	66	66	66	67	67

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	26	74
4	25	75
5	25	75
6	25	75
7	25	75
8	25	75
9	26	74
10	25	75
11	25	75
12	26	74
13	26	74
14	26	74
15	26	74
16	27	73
17	27	73
18	28	72
19	30	70
20	30	70
21	31	69
22	32	68
23	32	68
24	33	67
25	34	66
26	34	66
27	34	66
28	34	66
29	34	66
30	33	67
31	33	67

Chance of precipitation in May

Any precipitationSnow

St. Moritz gets around 133 mm of rain and snow over 18.5 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 60% and peaks near 63% on the wettest days, and about 11 days bring snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	56	57	58	59	59	60	60	60	60	61	61	61	62	62	62	62	62	62	61	61	60	60	59	59	59	60	60	61	62	62	63
Snow chance (%)	46	45	45	44	44	43	42	41	40	40	39	39	38	38	37	36	35	34	33	32	31	30	29	28	26	25	24	23	22	21	20

	Rain chance (%)	Snow chance (%)
1	56	46
2	57	45
3	58	45
4	59	44
5	59	44
6	60	43
7	60	42
8	60	41
9	60	40
10	61	40
11	61	39
12	61	39
13	62	38
14	62	38
15	62	37
16	62	36
17	62	35
18	62	34
19	61	33
20	61	32
21	60	31
22	60	30
23	59	29
24	59	28
25	59	26
26	60	25
27	60	24
28	61	23
29	62	22
30	62	21
31	63	20

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

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 7:21 PM to 7:57 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	14.1	14.2	14.2	14.3	14.3	14.3	14.4	14.4	14.5	14.5	14.6	14.6	14.7	14.7	14.7	14.8	14.8	14.9	14.9	14.9	15.0	15.0	15.1	15.1	15.1	15.2	15.2	15.2	15.2	15.3	15.3
Sunrise (AM)	5:15	5:13	5:11	5:10	5:08	5:07	5:05	5:04	5:02	5:01	5:00	4:58	4:57	4:56	4:54	4:53	4:52	4:51	4:50	4:49	4:48	4:46	4:45	4:45	4:44	4:43	4:42	4:41	4:40	4:40	4:39
Sunset (PM)	7:21	7:22	7:24	7:25	7:26	7:28	7:29	7:30	7:32	7:33	7:34	7:36	7:37	7:38	7:39	7:41	7:42	7:43	7:44	7:45	7:47	7:48	7:49	7:50	7:51	7:52	7:53	7:54	7:55	7:56	7:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.1	5:15	7:21
2	14.2	5:13	7:22
3	14.2	5:11	7:24
4	14.3	5:10	7:25
5	14.3	5:08	7:26
6	14.3	5:07	7:28
7	14.4	5:05	7:29
8	14.4	5:04	7:30
9	14.5	5:02	7:32
10	14.5	5:01	7:33
11	14.6	5:00	7:34
12	14.6	4:58	7:36
13	14.7	4:57	7:37
14	14.7	4:56	7:38
15	14.7	4:54	7:39
16	14.8	4:53	7:41
17	14.8	4:52	7:42
18	14.9	4:51	7:43
19	14.9	4:50	7:44
20	14.9	4:49	7:45
21	15.0	4:48	7:47
22	15.0	4:46	7:48
23	15.1	4:45	7:49
24	15.1	4:45	7:50
25	15.1	4:44	7:51
26	15.2	4:43	7:52
27	15.2	4:42	7:53
28	15.2	4:41	7:54
29	15.2	4:40	7:55
30	15.3	4:40	7:56
31	15.3	4:39	7:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.98 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 5.98 kWh/m² in May across the year — May's 5.98 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.8	Bright
3	5.8	Bright
4	5.8	Bright
5	5.8	Bright
6	5.8	Bright
7	5.8	Bright
8	5.9	Bright
9	5.9	Bright
10	5.9	Bright
11	5.9	Bright
12	5.9	Bright
13	5.9	Bright
14	5.9	Bright
15	5.9	Bright
16	6.0	Bright
17	6.0	Bright
18	6.0	Bright
19	6.0	Bright
20	6.0	Intense
21	6.0	Intense
22	6.0	Intense
23	6.0	Intense
24	6.0	Intense
25	6.0	Intense
26	6.0	Intense
27	6.0	Intense
28	6.0	Intense
29	6.0	Intense
30	6.0	Intense
31	6.0	Bright

Planning a trip in May

Is May a good time to visit St. Moritz?

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

0.7

Sightseeing

5th-best month of the year

—

Beach & pool

never really warm enough

May is a weaker month for outdoor sightseeing in St. Moritz.

What to pack for St. Moritz in May

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

In May, St. Moritz sees daytime highs around 7°C and nights near -1°C. Pack a warm layer and rain gear. Worth having: a heavy coat and sun protection. About 19 days see rain.

a warm layerrain geara heavy coatsun protection

UV index in St. Moritz in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. Moritz peaks around July 15 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 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	3	6	8	9	9	10	8	6	4	2	1
Level	Low	Moderate	High	Very high	Very high	Very high	Very high	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	3	Moderate
Mar	6	High
Apr	8	Very high
May	9	Very high
Jun	9	Very high
Jul	10	Very high
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Location & terrain

Where is St. Moritz?

St. Moritz sits at 46.5°N, 9.8°E, 0 m above sea level, in Switzerland. The nearest listed city is Davos, 34 km away.

Topography around St. Moritz

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

Within 3 km, the terrain around St. Moritz has large variations in elevation — a maximum elevation change of 1,149 m around an average of 2,048 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,603 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,753 m.

The land around St. Moritz is covered by trees (43%) and grassland (43%) within 3 km, grassland (37%) and bare terrain (21%) within 16 km, and trees (43%) and grassland (35%) within 80 km.

3 km

1,149 m

trees 43%

16 km

2,603 m

grassland 37%

80 km

3,753 m

trees 43%

treesgrasslandartificial surfacesbare terrainsnow and icewatermoss and lichen

← April St. Moritz year-round climate June →Best places to visit in May

May weather nearby: Davos 34 km · Sondrio 37 km · Chur 46 km · Bellinzona 72 km · Bludenz 73 km · Vaduz 75 km · Lecco 79 km · Feldkirch 84 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

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 St. Moritz (46.4994°, 9.8433°, elevation 0 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).

	Avg high (°C)	Avg low (°C)
1	5	-2
2	5	-2
3	5	-2
4	5	-2
5	5	-2
6	6	-2
7	6	-2
8	6	-1
9	6	-1
10	6	-1
11	6	-1
12	6	-1
13	6	-1
14	7	-1
15	7	-1
16	7	-1
17	7	-1
18	7	0
19	7	0
20	8	0
21	8	0
22	8	0
23	8	0
24	8	0
25	9	0
26	9	0
27	9	1
28	9	1
29	9	1
30	10	1
31	10	1

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	26	74
4	25	75
5	25	75
6	25	75
7	25	75
8	25	75
9	26	74
10	25	75
11	25	75
12	26	74
13	26	74
14	26	74
15	26	74
16	27	73
17	27	73
18	28	72
19	30	70
20	30	70
21	31	69
22	32	68
23	32	68
24	33	67
25	34	66
26	34	66
27	34	66
28	34	66
29	34	66
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	56	46
2	57	45
3	58	45
4	59	44
5	59	44
6	60	43
7	60	42
8	60	41
9	60	40
10	61	40
11	61	39
12	61	39
13	62	38
14	62	38
15	62	37
16	62	36
17	62	35
18	62	34
19	61	33
20	61	32
21	60	31
22	60	30
23	59	29
24	59	28
25	59	26
26	60	25
27	60	24
28	61	23
29	62	22
30	62	21
31	63	20

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	5	-2
2	5	-2
3	5	-2
4	5	-2
5	5	-2
6	6	-2
7	6	-2
8	6	-1
9	6	-1
10	6	-1
11	6	-1
12	6	-1
13	6	-1
14	7	-1
15	7	-1
16	7	-1
17	7	-1
18	7	0
19	7	0
20	8	0
21	8	0
22	8	0
23	8	0
24	8	0
25	9	0
26	9	0
27	9	1
28	9	1
29	9	1
30	10	1
31	10	1

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	26	74
4	25	75
5	25	75
6	25	75
7	25	75
8	25	75
9	26	74
10	25	75
11	25	75
12	26	74
13	26	74
14	26	74
15	26	74
16	27	73
17	27	73
18	28	72
19	30	70
20	30	70
21	31	69
22	32	68
23	32	68
24	33	67
25	34	66
26	34	66
27	34	66
28	34	66
29	34	66
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	56	46
2	57	45
3	58	45
4	59	44
5	59	44
6	60	43
7	60	42
8	60	41
9	60	40
10	61	40
11	61	39
12	61	39
13	62	38
14	62	38
15	62	37
16	62	36
17	62	35
18	62	34
19	61	33
20	61	32
21	60	31
22	60	30
23	59	29
24	59	28
25	59	26
26	60	25
27	60	24
28	61	23
29	62	22
30	62	21
31	63	20

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	5	-2
2	5	-2
3	5	-2
4	5	-2
5	5	-2
6	6	-2
7	6	-2
8	6	-1
9	6	-1
10	6	-1
11	6	-1
12	6	-1
13	6	-1
14	7	-1
15	7	-1
16	7	-1
17	7	-1
18	7	0
19	7	0
20	8	0
21	8	0
22	8	0
23	8	0
24	8	0
25	9	0
26	9	0
27	9	1
28	9	1
29	9	1
30	10	1
31	10	1

	Clearer (%)	Cloudier (%)
1	27	73
2	27	73
3	26	74
4	25	75
5	25	75
6	25	75
7	25	75
8	25	75
9	26	74
10	25	75
11	25	75
12	26	74
13	26	74
14	26	74
15	26	74
16	27	73
17	27	73
18	28	72
19	30	70
20	30	70
21	31	69
22	32	68
23	32	68
24	33	67
25	34	66
26	34	66
27	34	66
28	34	66
29	34	66
30	33	67
31	33	67

	Rain chance (%)	Snow chance (%)
1	56	46
2	57	45
3	58	45
4	59	44
5	59	44
6	60	43
7	60	42
8	60	41
9	60	40
10	61	40
11	61	39
12	61	39
13	62	38
14	62	38
15	62	37
16	62	36
17	62	35
18	62	34
19	61	33
20	61	32
21	60	31
22	60	30
23	59	29
24	59	28
25	59	26
26	60	25
27	60	24
28	61	23
29	62	22
30	62	21
31	63	20

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100