Schaffhausen weather in May

In May, Schaffhausen sees average daytime highs of 18°C and overnight lows near 9°C, with 98 mm of rain across 14.5 wet days and about 14.9 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 30 min by month's end. Set against the rest of the year, May is Schaffhausen's 7th-clearest and 6th-windiest month. For the whole year in context, see Schaffhausen's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
98 mm
14.5 wet days
Daylight
14 h 54 min
4:54 AM – 7:49 PM
Cloud cover
66%
7th clearest
Wind
9 km/h
6th windiest
Solar energy
5.23 kWh/m²
Travel score
5.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical May day in Schaffhausen reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1177
2178
3178
4178
5178
6178
7178
8178
9178
10178
11188
12189
13189
14189
15189
16189
17189
18189
19199
20199
211910
221910
231910
241910
251910
262010
272010
282011
292011
302011
312011

How May really feels in Schaffhausen

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Schaffhausen weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°6712.15.18.70.0
Feb / -1°5510.25.19.90.2
Mar10° / 6812.43.511.62.1
Apr14° / 7112.21.413.33.9
May18° / 9814.5014.95.2
Jun22° / 13°9014.3015.75.9
Jul24° / 14°9213.4015.46.5
Aug24° / 14°8312.7014.16.5
Sep19° / 10°7010.8012.45.8
Oct14° / 7111.60.310.63.7
Nov / 72112.59.11.0
Dec / -1°7912.95.38.30.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63466
73466
83565
93466
103466
113466
123565
133565
143565
153664
163763
173763
183862
193862
203862
213961
223961
233961
244060
254060
264060
274060
283862
293862
303862
313763

Chance of precipitation in May

Any precipitation

Schaffhausen gets around 98 mm of rain over 14.5 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
350
450
550
650
750
850
950
1049
1149
1248
1348
1448
1547
1647
1746
1846
1945
2045
2144
2244
2344
2444
2544
2644
2744
2845
2945
3046
3147

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99910
109820
119820
129820
139820
149820
159730
169730
179640
189640
199550
209460
219370
229280
239190
2490100
2589110
2688120
2787130
2885150
2984160
3082171
3181181

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 5:17 AM to 4:39 AM, and sunset from 7:29 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:177:29
214.35:157:30
314.35:137:32
414.45:127:33
514.45:107:34
614.55:087:36
714.55:077:37
814.65:057:38
914.65:047:40
1014.65:027:41
1114.75:017:43
1214.75:007:44
1314.84:587:45
1414.84:577:47
1514.94:567:48
1614.94:547:49
1715.04:537:50
1815.04:527:52
1915.04:517:53
2015.14:497:54
2115.14:487:55
2215.24:477:57
2315.24:467:58
2415.24:457:59
2515.34:448:00
2615.34:438:01
2715.34:428:02
2815.44:418:03
2915.44:418:05
3015.44:408:06
3115.54:398:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.23 kWh/m².

For context, solar energy here swings from a low near 0.99 kWh/m² to a high of 5.64 kWh/m² in June across the year — May's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Schaffhausen?

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

5.2
Sightseeing
5th-best month of the year
1.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Schaffhausen for sightseeing.

What to pack for Schaffhausen in May

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

In May, Schaffhausen sees daytime highs around 18°C and nights near 9°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

UV index in Schaffhausen in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Schaffhausen peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Schaffhausen?

Schaffhausen sits at 47.7°N, 8.6°E, 403 m above sea level, in Switzerland. The nearest listed city is Singen, 17 km away.

BülachWinterthurOberwinterthur (Kreis 2)Stadt Winterthur (Kreis 1)FrauenfeldRadolfzellSeen (Kreis 3)

Topography around Schaffhausen

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

Within 3 km, the terrain around Schaffhausen has only modest variations in elevation — a maximum elevation change of 249 m around an average of 476 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 602 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,596 m.

The land around Schaffhausen is covered by trees (56%) and artificial surfaces (22%) within 3 km, trees (45%) and cropland (31%) within 16 km, and trees (49%) and grassland (27%) within 80 km.

3 km
249 m
16 km
602 m
80 km
2,596 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Singen 17 km · Bülach 21 km · Winterthur 22 km · Oberwinterthur (Kreis 2) 22 km · Stadt Winterthur (Kreis 1) 23 km · Frauenfeld 25 km · Radolfzell 26 km · Seen (Kreis 3) 27 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 Schaffhausen (47.6973°, 8.6349°, elevation 403 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).