



Koszalin
Koszalin is a city in West Pomerania, Poland, close to the sea. It has a population of about 105,883 (2021). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Best: May–Jun · Sep. Warmth, sunshine and dry days, month by month.
Koszalin at a glance
The months with the highest weather score
Average high in August
Average low in January
56 mm of rain
37 mm of rain
August
within 1.5 km
How Koszalin has grown
People living in the built-up area (25 km² today), every five years since 1975; 2030 is the projection.
+32%71k in 1975 → 94k in 2025Weather in Koszalin
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 13 km/h · humidity 95%
When to go to Koszalin
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 14 | 19 | 26 | 48 | 67 | 71 | 65 | 65 | 66 | 34 | 15 | 13 |
| High | 3° | 4° | 7° | 12° | 16° | 20° | 22° | 22° | 18° | 13° | 7° | 4° |
| Low | -2° | -1° | 1° | 4° | 8° | 12° | 14° | 14° | 11° | 7° | 3° | 0° |
| Rain (mm) | 54 | 37 | 49 | 37 | 61 | 81 | 80 | 86 | 79 | 68 | 68 | 56 |
| Wet days | 15 | 12 | 11 | 8 | 10 | 11 | 14 | 14 | 13 | 14 | 14 | 16 |
| Sea | 4° | 3° | 3° | 5° | 9° | 14° | 17° | 19° | 16° | 13° | 9° | 6° |
What's on in Koszalin
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Koszalin
More museums: Muzeum Wody · Salon Historyczny
Outdoors around Koszalin
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Koszalin
Wildlife in October
The birds and mammals of Poland seen most this month, compared with the rest of their year.
The sky over Koszalin
Earthquakes around Koszalin
The last 30 days within 300 km, and the record since 1950.
Fossil sites near this town
Fossil sites: 1 · 1 km
Universities and research institutes
Towns and villages around Koszalin
Each with its own page: weather, climate and the best time to visit.
Koszalin from above
Postal codes
Getting to Koszalin
Places near Koszalin
Places with a climate like Koszalin
Matched month by month on temperature, rain and sunshine.