Which is the hottest month in Koszalin?

The hottest time of year in Koszalin is normally July. Expect maximum daytime temperatures to reach 24°C.

Which month has the most rain in Koszalin?

In terms of rainfall, July is usually the wettest month in Koszalin with 72mm on average. There are normally 13 days in July with some rain.

When is it sunniest in Koszalin?

The sunniest time of year in Koszalin is normally August with bright sunshine on average for 49% of daylight hours; that's 7 hours of sunshine per day.

Best time to visit Koszalin

Q: When is the best time to visit Koszalin?

The best times to visit Koszalin, Poland are in July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Koszalin, Poland are in July and August based on our default weather conditions. Update your weather preferences to see which months best match.

Koszalin by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Poland

TUI sale: up to £300 off holidays in 2026/2027

Sale

Save up to £300 on holidays (Jan 2026-Nov 2027)
Book online with TUI Black Friday discount code
Sign up to myTUI. Discount varies by spend. T&Cs apply

Go to TUI deal >>

Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers

TUI deal finder

Destination

When is the best time to visit Koszalin?

The best times to visit Koszalin, Poland are in July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0.5
Feb
1.5
Mar
1.5
Apr
3.5
May
4
Jun
4.5
Jul
4.5
Aug
2
Sep
1
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

32
Jan
36
Feb
43
Mar
52
Apr
64
May
68
Jun
72
Jul
72
Aug
64
Sep
55
Oct
45
Nov
36
Dec

Hours of Sunshine (daily)

1
Jan
2
Feb
4
Mar
5
Apr
8
May
8
Jun
7
Jul
7
Aug
5
Sep
3
Oct
1
Nov
1
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Poland (Koszalin) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)