Świnoujście weather in May

In May, Świnoujście sees average daytime highs of 14°C and overnight lows near 10°C, with 46 mm of rain across 9.9 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 16°C by the end. The sky is clear or mostly clear about 30% 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 Świnoujście's 1st-clearest and 12th-windiest month. For the whole year in context, see Świnoujście's year-round climate.

Daytime high
14°
5th warmest
Overnight low
10°
8th coldest
Rainfall
46 mm
9.9 wet days
Daylight
15 h 42 min
4:08 AM – 7:50 PM
Cloud cover
57%
1st clearest
Wind
20 km/h
12th windiest
Solar energy
5.46 kWh/m²
Travel score
4.0
out of 10

Świnoujście is city with powiat rights in West Pomeranian Voivodeship, Poland.

Density
207/km²
people per km²
Founded
1765

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 12°C in the first days to 16°C by the end.

A typical May day in Świnoujście reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1128
2128
3128
4128
5128
6129
7129
8139
9139
10139
11139
12139
13139
141310
151410
161410
171410
181410
191410
201410
211411
221511
231511
241511
251511
261511
271512
281512
291612
301612
311612

How May really feels in Świnoujście

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.

Świnoujście weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 4911.33.77.70.0
Feb / 389.949.40.0
Mar / 429.62.211.50.2
Apr / 3380.213.72.0
May14° / 10°469.9015.74.0
Jun17° / 14°5710.4016.85.5
Jul20° / 16°6811.7016.36.1
Aug20° / 17°7011.9014.66.1
Sep17° / 14°6911012.55.2
Oct12° / 6212.2010.23.1
Nov / 5312.218.31.0
Dec / 52123.27.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54951
64951
75050
85050
95050
104951
114951
124951
134951
144951
154951
164852
175050
184951
194951
204951
214852
224852
234951
244951
254951
264951
275050
285050
295149
305050
315050

Chance of precipitation in May

Any precipitation

Świnoujście gets around 46 mm of rain over 9.9 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
228
328
429
530
630
731
831
932
1032
1133
1233
1333
1433
1533
1633
1733
1833
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032
3132

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 95% 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
109910
119910
129820
139820
149820
159730
169730
179640
189640
199550
209460
219460
229370
239280
249280
259190
269091
2789101
2888111
2988111
3087121
3187121

Wind in May

Winds average 20 km/h in May, the calmest month.

Across May, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1319light breeze
1419light breeze
1519light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light 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 4:37 AM to 3:48 AM, and sunset from 7:23 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:377:23
214.84:357:25
314.94:337:27
415.04:317:29
515.04:297:31
615.14:277:33
715.24:257:34
815.24:237:36
915.34:217:38
1015.34:197:40
1115.44:177:41
1215.54:157:43
1315.54:147:45
1415.64:127:47
1515.64:107:48
1615.74:087:50
1715.74:077:52
1815.84:057:53
1915.94:047:55
2015.94:027:57
2116.04:017:58
2216.03:598:00
2316.13:588:01
2416.13:568:03
2516.23:558:04
2616.23:548:06
2716.23:528:07
2816.33:518:09
2916.33:508:10
3016.43:498:11
3116.43:488:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.46 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 5.71 kWh/m² in June across the year — May's 5.46 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
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Świnoujście?

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

4.0
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Świnoujście for sightseeing.

What to pack for Świnoujście in May

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

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

a warm layerrain gearsun protection

Sea temperature near Świnoujście in May

The nearest coast averages about 12°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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
Jan2Bracing
Feb2Bracing
Mar3Bracing
Apr7Bracing
May12Bracing
Jun16Cool
Jul19Cool
Aug19Cool
Sep17Cool
Oct12Bracing
Nov8Bracing
Dec4Bracing

UV index in Świnoujście 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 Świnoujście peaks around June 16 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 16UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul5High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Świnoujście?

Świnoujście sits at 53.9°N, 14.2°E, 4 m above sea level, in Poland. The nearest listed city is Police, 45 km away.

PoliceGoleniówDrzetowo-GrabowoŚwierczewoSzczecinGryficeNowogard

Topography around Świnoujście

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

Within 3 km, the terrain around Świnoujście has only modest variations in elevation — a maximum elevation change of 63 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, only modest variations in elevation — a maximum elevation change of 192 m.

The land around Świnoujście is covered by trees (44%), water (28%) and artificial surfaces (20%) within 3 km, water (65%) within 16 km, and water (32%), cropland (29%) and trees (22%) within 80 km.

3 km
63 m
16 km
122 m
80 km
192 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Police 45 km · Goleniów 54 km · Drzetowo-Grabowo 56 km · Świerczewo 57 km · Szczecin 57 km · Universitäts- und Hansestadt Greifswald 59 km · Gryfice 62 km · Nowogard 63 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

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 Świnoujście (53.9105°, 14.2471°, elevation 4 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).