Herborn weather in May

In May, Herborn sees average daytime highs of 17°C and overnight lows near 8°C, with 69 mm of rain across 12.4 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Herborn's 6th-clearest and 8th-windiest month. For the whole year in context, see Herborn's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
69 mm
12.4 wet days
Daylight
15 h 18 min
4:45 AM – 8:01 PM
Cloud cover
68%
6th clearest
Wind
11 km/h
8th windiest
Solar energy
5.01 kWh/m²
Travel score
4.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 18°C by the end.

A typical May day in Herborn reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°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)
1156
2157
3157
4157
5167
6167
7167
8167
9167
10167
11167
12168
13168
14168
15178
16178
17178
18178
19178
20178
21179
22189
23189
24189
25189
26189
27189
28189
291810
301910
311910

How May really feels in Herborn

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.

Herborn weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°8113.45.28.30.0
Feb / -2°65115.39.70.0
Mar / 70132.811.51.3
Apr13° / 5811.20.813.53.4
May17° / 6912.4015.24.9
Jun20° / 11°7312.4016.25.8
Jul22° / 13°8113.5015.86.1
Aug22° / 13°7912.1014.36.2
Sep17° / 7011012.45.3
Oct12° / 7112.40.110.42.9
Nov / 7112.51.98.70.7
Dec / -1°9014.45.67.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43268
53169
63169
73268
83268
93268
103268
113268
123169
133268
143169
153169
163169
173169
183169
193268
203169
213070
223169
233169
243268
253268
263268
273367
283367
293367
303466
313466

Chance of precipitation in May

Any precipitation

Herborn gets around 69 mm of rain over 12.4 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 41% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
340
440
540
640
740
840
940
1040
1140
1240
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2541
2641
2741
2841
2942
3042
3142

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 (%)
110000
210000
310000
49910
59910
69910
79910
89910
99910
109820
119820
129820
139820
149730
159730
169730
179640
189640
199550
209550
219460
229271
239271
249181
259091
2688102
2787112
2886122
2984133
3083143
3182153

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 15 h 54 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 5:10 AM to 4:28 AM, and sunset from 7:38 PM to 8:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:107:38
214.55:087:39
314.65:077:41
414.65:057:42
514.75:037:44
614.75:017:46
714.85:007:47
814.84:587:49
914.94:567:50
1015.04:547:52
1115.04:537:53
1215.14:517:55
1315.14:507:56
1415.24:487:58
1515.24:477:59
1615.34:458:01
1715.34:448:02
1815.44:428:04
1915.44:418:05
2015.44:408:07
2115.54:388:08
2215.54:378:09
2315.64:368:11
2415.64:358:12
2515.74:348:13
2615.74:338:15
2715.74:328:16
2815.84:318:17
2915.84:308:18
3015.84:298:19
3115.94:288:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m².

For context, solar energy here swings from a low near 0.59 kWh/m² to a high of 5.36 kWh/m² in June across the year — May's 5.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Herborn?

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

4.9
Sightseeing
5th-best month of the year
1.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Herborn for sightseeing.

What to pack for Herborn in May

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

In May, Herborn sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Herborn 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 Herborn peaks around July 14 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Herborn?

Herborn sits at 50.7°N, 8.3°E, 205 m above sea level, in Germany. The nearest listed city is Dillenburg, 7.0 km away.

Topography around Herborn

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

Within 3 km, the terrain around Herborn has only modest variations in elevation — a maximum elevation change of 235 m around an average of 286 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 537 m; within 80 km, large variations in elevation — a maximum elevation change of 850 m.

The land around Herborn is covered by trees (65%) and grassland (21%) within 3 km, trees (66%) and grassland (26%) within 16 km, and trees (58%) and grassland (20%) within 80 km.

3 km
235 m
16 km
537 m
80 km
850 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Dillenburg 7.0 km · Haiger 10 km · Wetzlar 20 km · Wilnsdorf 21 km · Gießen 28 km · Bad Laasphe 29 km · Siegen 29 km · Netphen 30 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 Herborn (50.6814°, 8.3037°, elevation 205 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).