Wismar weather in May

In May, Wismar sees average daytime highs of 16°C and overnight lows near 9°C, with 55 mm of rain across 10.6 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 6th-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 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of May to 16 h 24 min by month's end. Set against the rest of the year, May is Wismar's 2nd-clearest and 10th-windiest month. For the whole year in context, see Wismar's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
55 mm
10.6 wet days
Daylight
15 h 42 min
4:20 AM – 8:01 PM
Cloud cover
61%
2nd clearest
Wind
16 km/h
10th windiest
Solar energy
5.37 kWh/m²
Travel score
5.1
out of 10
Air quality
Moderate
PM2.5 12.1 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 15°C in the first days to 18°C by the end.

A typical May day in Wismar reaches about 16°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1157
2157
3157
4157
5157
6157
7157
8157
9168
10168
11168
12168
13168
14168
15168
16168
17179
18179
19179
20179
21179
22179
23179
241710
251810
261810
271810
281810
291810
301810
311811

How May really feels in Wismar

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.

Wismar weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5311.63.27.70.0
Feb / -0°4310.33.79.40.0
Mar / 4610.12.211.50.9
Apr12° / 419.30.313.73.2
May16° / 5510.6015.75.1
Jun20° / 12°6511.7016.75.8
Jul22° / 14°7112.4016.36.3
Aug22° / 14°7112.2014.66.2
Sep18° / 11°5610.4012.55.5
Oct13° / 5411.30.110.23.3
Nov / 4911.50.78.31.0
Dec / 5611.92.87.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44654
54654
64555
74555
84555
94654
104456
114456
124456
134456
144357
154258
164258
174159
184159
194060
204060
214159
224060
234060
244159
254159
264159
274258
284357
294357
304456
314456

Chance of precipitation in May

Any precipitation

Wismar gets around 55 mm of rain over 10.6 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 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
433
533
633
733
833
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2235
2335
2435
2535
2635
2735
2835
2935
3035
3135

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
69910
79910
89820
99820
109820
119730
129730
139640
149640
159550
169550
179460
189370
199280
209280
219190
2290100
2389110
2489110
2587121
2687121
2786131
2886131
2985132
3084142
3183143

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 48 min at the start of May to 16 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over May. Sunrise moves from 4:48 AM to 3:59 AM, and sunset from 7:34 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:487:34
214.84:467:36
314.94:447:38
415.04:427:40
515.04:407:42
615.14:387:44
715.24:367:45
815.24:347:47
915.34:327:49
1015.34:307:51
1115.44:287:53
1215.54:277:54
1315.54:257:56
1415.64:237:58
1515.64:217:59
1615.74:208:01
1715.74:188:03
1815.84:168:05
1915.94:158:06
2015.94:138:08
2116.04:128:09
2216.04:108:11
2316.14:098:12
2416.14:088:14
2516.24:068:16
2616.24:058:17
2716.24:048:18
2816.34:038:20
2916.34:018:21
3016.44:008:23
3116.43:598:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.37 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 5.64 kWh/m² in June across the year — May's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Wismar?

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
1.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Wismar for sightseeing.

What to pack for Wismar in May

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

In May, Wismar sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Wismar in May

The nearest coast averages about 11°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in August at about 19°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec5Bracing

UV index in Wismar in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wismar peaks around June 18 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 21 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Wismar 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 Wismar is worst in April — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Wismar's WHO annual average of 12.1 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1516 µg/m³Dec 108 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar15Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep12Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Wismar?

Wismar sits at 53.9°N, 11.5°E, 1 m above sea level, in Germany. The nearest listed city is Schwerin, 29 km away.

RatekauNeustadt in HolsteinGüstrowKröpeliner-Tor-VorstadtBad SchwartauRostockLübeck

Topography around Wismar

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

Within 3 km, the terrain around Wismar has only modest variations in elevation — a maximum elevation change of 42 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, only modest variations in elevation — a maximum elevation change of 196 m.

The land around Wismar is covered by trees (27%), artificial surfaces (25%) and grassland (20%) within 3 km, cropland (48%) within 16 km, and cropland (36%), water (27%) and trees (21%) within 80 km.

3 km
42 m
16 km
129 m
80 km
196 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Schwerin 29 km · Ratekau 48 km · Neustadt in Holstein 48 km · Güstrow 48 km · Kröpeliner-Tor-Vorstadt 48 km · Bad Schwartau 50 km · Rostock 50 km · Lübeck 50 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 Wismar (53.8922°, 11.4556°, elevation 1 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).