Świnoujście in Summer
In summer (June, July and August), Świnoujście sees average daytime highs around 19°C and overnight lows near 16°C, with 195 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 16°C in early June to 19°C by late August. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels dry.
Summer is Świnoujście's best season of the year to visit on our travel score. For the whole year in context, see Świnoujście's year-round climate.
- Avg daytime high
- 19°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 195 mm
- 34 wet days
- Avg wind
- 20 km/h
- Travel score
- 5.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Świnoujście in Summer
Over the season highs climb from about 16°C in early June to 19°C by late August.
A typical summer day in Świnoujście reaches about 19°C and drops to 16°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Świnoujście
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer 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 the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / 0° | 49 | 11.3 | 3.7 | 7.7 | 0.0 |
| Feb | 3° / 0° | 38 | 9.9 | 4 | 9.4 | 0.0 |
| Mar | 5° / 2° | 42 | 9.6 | 2.2 | 11.5 | 0.2 |
| Apr | 9° / 6° | 33 | 8 | 0.2 | 13.7 | 2.0 |
| May | 14° / 10° | 46 | 9.9 | 0 | 15.7 | 4.0 |
| Jun | 17° / 14° | 57 | 10.4 | 0 | 16.8 | 5.5 |
| Jul | 20° / 16° | 68 | 11.7 | 0 | 16.3 | 6.1 |
| Aug | 20° / 17° | 70 | 11.9 | 0 | 14.6 | 6.1 |
| Sep | 17° / 14° | 69 | 11 | 0 | 12.5 | 5.2 |
| Oct | 12° / 9° | 62 | 12.2 | 0 | 10.2 | 3.1 |
| Nov | 7° / 5° | 53 | 12.2 | 1 | 8.3 | 1.0 |
| Dec | 4° / 2° | 52 | 12 | 3.2 | 7.2 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Świnoujście gets around 195 mm of rain over 34 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 20 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 16 h 30 min in early June to 13 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.2 kWh/m².
Is summer a good time to visit Świnoujście?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Świnoujście for sightseeing.
What to pack for Świnoujście in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Świnoujście sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear and sun protection. About 34 days see rain.
Sea temperature near Świnoujście in Summer
The nearest coast averages about 18°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 2 | 2 | 3 | 7 | 12 | 16 | 19 | 19 | 17 | 12 | 8 | 4 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 2 | Bracing |
| Feb | 2 | Bracing |
| Mar | 3 | Bracing |
| Apr | 7 | Bracing |
| May | 12 | Bracing |
| Jun | 16 | Cool |
| Jul | 19 | Cool |
| Aug | 19 | Cool |
| Sep | 17 | Cool |
| Oct | 12 | Bracing |
| Nov | 8 | Bracing |
| Dec | 4 | Bracing |
UV index in Świnoujście in Summer
Clear-sky midday UV across summer averages 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 5 | 6 | 5 | 5 | 4 | 2 | 1 | 0 |
| Level | Low | Low | Moderate | Moderate | High | High | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 5 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 5 | Moderate |
| Sep | 4 | Moderate |
| Oct | 2 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
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.
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.
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
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.