Lahr weather in May

In May, Lahr sees average daytime highs of 20°C and overnight lows near 10°C, with 84 mm of rain across 13.7 wet days and about 15 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 30 min by month's end. Set against the rest of the year, May is Lahr's 7th-clearest and 8th-windiest month. For the whole year in context, see Lahr's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
8th coldest
Rainfall
84 mm
13.7 wet days
Daylight
15 hours
4:55 AM – 7:54 PM
Cloud cover
64%
7th clearest
Wind
8 km/h
8th windiest
Solar energy
5.27 kWh/m²
Travel score
5.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical May day in Lahr reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 26°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)
1188
2188
3189
4189
5189
6189
7189
8199
9199
10199
11199
121910
131910
141910
151910
161910
172010
182010
192010
202010
212010
222011
232111
242111
252111
262111
272111
282111
292112
302212
312212

How May really feels in Lahr

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.

Lahr 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 / -0°7313.33.48.60.0
Feb / 63113.69.90.6
Mar11° / 6812.41.711.62.6
Apr15° / 5811.50.213.44.5
May20° / 10°8413.70155.6
Jun23° / 13°7212015.86.5
Jul25° / 15°7312.1015.56.5
Aug25° / 15°6510.9014.16.8
Sep20° / 11°659.9012.46.3
Oct15° / 7311.50.110.64.3
Nov / 7511.71.391.7
Dec / 8714.43.68.20.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33367
43367
53466
63466
73466
83466
93565
103565
113565
123664
133664
143664
153763
163763
173862
183862
193961
203961
213961
223961
233961
244060
254060
264060
273961
283961
293961
303961
313961

Chance of precipitation in May

Any precipitation

Lahr gets around 84 mm of rain over 13.7 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 45% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
347
447
548
648
748
848
947
1047
1147
1247
1347
1446
1546
1646
1745
1844
1944
2043
2142
2242
2341
2441
2541
2641
2741
2842
2942
3043
3144

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39730
49640
59640
69550
79550
89550
99460
109460
119460
129370
139370
149370
159280
169280
179280
189091
199091
2089101
2189101
2288111
2386122
2485132
2584142
2682153
2780173
2879183
2977194
3075205
3174215

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 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 72 minutes over May. Sunrise moves from 5:18 AM to 4:40 AM, and sunset from 7:33 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:187:33
214.35:167:35
314.45:157:36
414.45:137:38
514.55:117:39
614.55:107:41
714.65:087:42
814.65:077:43
914.75:057:45
1014.75:047:46
1114.85:027:48
1214.85:017:49
1314.94:597:50
1414.94:587:52
1514.94:577:53
1615.04:557:54
1715.04:547:56
1815.14:537:57
1915.14:517:58
2015.24:508:00
2115.24:498:01
2215.24:488:02
2315.34:478:03
2415.34:468:04
2515.34:458:06
2615.44:448:07
2715.44:438:08
2815.44:428:09
2915.54:418:10
3015.54:408:11
3115.54:408:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².

For context, solar energy here swings from a low near 0.86 kWh/m² to a high of 5.76 kWh/m² in June across the year — May's 5.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
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
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Lahr?

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
2.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Lahr for sightseeing.

What to pack for Lahr in May

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

In May, Lahr sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

UV index in Lahr 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 Lahr 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Lahr in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Lahr is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1315 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Lahr?

Lahr sits at 48.3°N, 7.9°E, 176 m above sea level, in Germany. The nearest listed city is Offenburg, 16 km away.

Topography around Lahr

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

Within 3 km, the terrain around Lahr has significant variations in elevation — a maximum elevation change of 277 m around an average of 217 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,383 m.

The land around Lahr is covered by trees (49%) within 3 km, trees (48%) and cropland (23%) within 16 km, and trees (58%) within 80 km.

3 km
277 m
16 km
599 m
80 km
1,383 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Offenburg 16 km · Illkirch-Graffenstaden 24 km · Emmendingen 24 km · Kehl 26 km · Oberkirch 26 km · Lingolsheim 28 km · Waldkirch 28 km · Strasbourg 29 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 Lahr (48.3404°, 7.8689°, elevation 176 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).