Aschaffenburg weather in May

In May, Aschaffenburg sees average daytime highs of 18°C and overnight lows near 9°C, with 75 mm of rain across 11.9 wet days and about 15.1 hours of daylight. It is the 5th-warmest and 2nd-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 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of May to 15 h 48 min by month's end. Set against the rest of the year, May is Aschaffenburg's 6th-clearest and 8th-windiest month. For the whole year in context, see Aschaffenburg's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
75 mm
11.9 wet days
Daylight
15 h 12 min
4:44 AM – 7:55 PM
Cloud cover
66%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
5.2 kWh/m²
Travel score
5.6
out of 10

Aschaffenburg is main settlement of Aschaffenburg, Lower Franconia, Germany.

Air quality
Good
PM2.5 10 µg/m³ · 2019

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 17°C in the first days to 20°C by the end.

A typical May day in Aschaffenburg 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 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1178
2178
3178
4178
5178
6178
7178
8178
9188
10188
11189
12189
13189
14189
15189
16189
17189
18199
19199
201910
211910
221910
231910
241910
252010
262010
272010
282011
292011
302011
312011

How May really feels in Aschaffenburg

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.

Aschaffenburg weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°7312.748.40.0
Feb / -1°6111.34.29.70.1
Mar / 6812.1211.51.9
Apr14° / 5510.80.213.54.1
May18° / 7511.9015.15.6
Jun22° / 12°6911.8016.16.2
Jul24° / 14°7412.6015.76.5
Aug24° / 14°6510.7014.36.8
Sep19° / 10°629.9012.45.9
Oct13° / 6511.50.110.53.6
Nov / 6911.71.28.81.0
Dec / 8514.74.67.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43763
53862
63862
73763
83763
93763
103664
113664
123664
133664
143664
153664
163466
173466
183565
193565
203466
213565
223565
233664
243565
253565
263664
273664
283664
293763
303763
313763

Chance of precipitation in May

Any precipitation

Aschaffenburg gets around 75 mm of rain over 11.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
541
641
740
840
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1938
2038
2138
2238
2338
2438
2538
2638
2738
2838
2938
3038
3139

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59820
69820
79820
89820
99730
109730
119730
129640
139640
149640
159550
169550
179460
189460
199370
209181
219091
2289101
2388111
2486122
2585132
2684142
2782153
2881163
2980173
3078184
3177194

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 24 min at the start of May to 15 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 5:09 AM to 4:28 AM, and sunset from 7:32 PM to 8:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:097:32
214.45:077:34
314.55:057:35
414.65:037:37
514.65:027:39
614.75:007:40
714.74:587:42
814.84:577:43
914.84:557:45
1014.94:537:46
1114.94:527:48
1215.04:507:49
1315.04:497:51
1415.14:477:52
1515.14:467:53
1615.24:447:55
1715.24:437:56
1815.34:427:58
1915.34:407:59
2015.44:398:00
2115.44:388:02
2215.44:378:03
2315.54:358:04
2415.54:348:06
2515.64:338:07
2615.64:328:08
2715.64:318:09
2815.74:308:11
2915.74:298:12
3015.74:288:13
3115.84:288:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.57 kWh/m² in June across the year — May's 5.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Aschaffenburg?

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

5.6
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Aschaffenburg for sightseeing.

What to pack for Aschaffenburg in May

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

In May, Aschaffenburg sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Aschaffenburg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aschaffenburg peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Aschaffenburg?

Aschaffenburg sits at 50.0°N, 9.2°E, 140 m above sea level, in Germany. The nearest listed city is Großostheim, 8.0 km away.

Topography around Aschaffenburg

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

Within 3 km, the terrain around Aschaffenburg has only modest variations in elevation — a maximum elevation change of 204 m around an average of 159 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 434 m; within 80 km, large variations in elevation — a maximum elevation change of 851 m.

The land around Aschaffenburg is covered by trees (41%) and artificial surfaces (38%) within 3 km, trees (59%) within 16 km, and trees (48%) and cropland (28%) within 80 km.

3 km
204 m
16 km
434 m
80 km
851 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Großostheim 8.0 km · Alzenau in Unterfranken 14 km · Babenhausen 14 km · Seligenstadt 15 km · Rodgau 20 km · Groß-Umstadt 20 km · Dieburg 24 km · Obertshausen 24 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Aschaffenburg (49.977°, 9.1521°, elevation 140 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).