Mayen weather in May

In May, Mayen sees average daytime highs of 17°C and overnight lows near 8°C, with 63 mm of rain across 11.8 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°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 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 Mayen's 6th-clearest and 8th-windiest month. For the whole year in context, see Mayen's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
63 mm
11.8 wet days
Daylight
15 h 12 min
4:51 AM – 8:04 PM
Cloud cover
68%
6th clearest
Wind
11 km/h
8th windiest
Solar energy
5.08 kWh/m²
Travel score
5.1
out of 10

Mayen is human settlement in Germany.

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 16°C in the first days to 19°C by the end.

A typical May day in Mayen 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)
1167
2167
3167
4167
5167
6167
7167
8167
9168
10168
11168
12178
13178
14178
15178
16178
17178
18178
19179
20189
21189
22189
23189
24189
25189
26189
271910
281910
291910
301910
311910

How May really feels in Mayen

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.

Mayen 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5211.83.98.30.0
Feb / -1°451049.70.1
Mar / 5312.12.211.51.6
Apr13° / 4810.70.513.53.6
May17° / 6311.8015.25.1
Jun20° / 11°6411.5016.15.9
Jul23° / 13°6712.7015.76.3
Aug22° / 13°6311.4014.36.4
Sep18° / 10°569.8012.45.6
Oct13° / 5511.10.110.53.3
Nov / 5511.91.38.80.9
Dec / 6413.24.17.90.0

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
23367
33466
43466
53367
63367
73268
83367
93367
103367
113268
123268
133268
143268
153268
163169
173169
183169
193169
203169
213070
223070
233070
243070
253268
263268
273268
283268
293268
303268
313268

Chance of precipitation in May

Any precipitation

Mayen gets around 63 mm of rain over 11.8 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 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1639
1739
1838
1938
2038
2137
2237
2336
2436
2536
2636
2736
2836
2937
3037
3138

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 93% 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
69820
79820
89820
99820
109820
119820
129730
139730
149730
159640
169640
179640
189550
199460
209460
219370
229181
239091
2489101
2588111
2687121
2785132
2884142
2982162
3081172
3179183

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 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
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 5:16 AM to 4:34 AM, and sunset from 7:41 PM to 8:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:167:41
214.55:147:43
314.55:127:44
414.65:107:46
514.65:087:47
614.75:077:49
714.85:057:50
814.85:037:52
914.95:027:53
1014.95:007:55
1115.04:587:56
1215.04:577:58
1315.14:557:59
1415.14:548:01
1515.24:528:02
1615.24:518:04
1715.34:498:05
1815.34:488:07
1915.44:478:08
2015.44:458:09
2115.44:448:11
2215.54:438:12
2315.54:428:13
2415.64:418:15
2515.64:408:16
2615.64:388:17
2715.74:378:19
2815.74:368:20
2915.84:368:21
3015.84:358:22
3115.84:348:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.08 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.43 kWh/m² in June across the year — May's 5.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Mayen?

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

5.1
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Mayen for sightseeing.

What to pack for Mayen in May

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

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

rain gearsun protection

UV index in Mayen 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 Mayen 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
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Mayen 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 Mayen is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1415 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar14Moderate
Apr16Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Mayen?

Mayen sits at 50.3°N, 7.2°E, 238 m above sea level, in Germany. The nearest listed city is Andernach, 17 km away.

Topography around Mayen

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

Within 3 km, the terrain around Mayen has significant variations in elevation — a maximum elevation change of 294 m around an average of 317 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 600 m; within 80 km, large variations in elevation — a maximum elevation change of 986 m.

The land around Mayen is covered by trees (44%) and cropland (28%) within 3 km, trees (41%) and cropland (39%) within 16 km, and trees (55%) and grassland (21%) within 80 km.

3 km
294 m
16 km
600 m
80 km
986 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Andernach 17 km · Neuwied 21 km · Sinzig 24 km · Bad Neuenahr-Ahrweiler 25 km · Koblenz 25 km · Bendorf 27 km · Remagen 28 km · Lahnstein 28 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 Mayen (50.328°, 7.2228°, elevation 238 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).