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Kotka
Kotka Church
Kotka Church
Saint Nicholas Church in Kotka
Saint Nicholas Church in Kotka
Redutti Kotka
Redutti Kotka
Fort Katarina
Fort Katarina
Kymenlaakso, Finland

Kotka

Kotka is a town in Kymenlaakso, Finland, close to the sea. It has a population of about 50,029 (2025). The climate is classified as warm-summer humid continental (Köppen Dfb), with warm summers, cold winters and precipitation in every season.

Now11°C
Best timeJun–Aug
Population50,029
Local time17:57
60.47° N, 26.95° EElevation 1 mUTC+3 · Eastern European Summer Time
Postal codes48100–48101, 48130 …
The year in Kotkaweather score
JanFebMarAprMayJunJulAugSepOctNovDec16October
October: high / low9° / 4°
Rain this month80mm
Sea this month10°
Best timeJun–Aug

Best: Jun–Aug. Warmth, sunshine and dry days, month by month.

Kotka at a glance

Best time to visitJun–Aug

The months with the highest weather score

Warmest month22°C

Average high in July

Coolest month-8°C

Average low in February

Wettest monthDecember

61 mm of rain

Driest monthApril

30 mm of rain

Warmest sea17°C

August

Monuments nearby10+

within 14 km

Weather in Kotka

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
11°C

Clear · wind 19 km/h · humidity 85%

Today hour by hour
Today22 Oct12°9°
Fri23 Oct12°9°3.2 mm
Sat24 Oct12°10°7.4 mm
Sun25 Oct13°10°
Mon26 Oct12°10°6.2 mm
Tue27 Oct12°8°5.7 mm
Wed28 Oct12°8°0.5 mm
Thu29 Oct12°8°6.3 mm
Fri30 Oct12°5°
Sat31 Oct8°4°

When to go to Kotka

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score122025295569706550161010
High-2°-3°1°7°14°19°22°21°15°9°4°1°
Low-7°-8°-5°0°6°11°14°13°9°4°0°-4°
Rain (mm)503741303860607667806961
Wet days141111101012121413151516
Sea1°0°0°2°6°12°17°17°14°10°7°4°

What's on in Kotka

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Kotka

All monuments

More museums: Haapasaaren museo · Ruotsinsalmi Paviljonki

Outdoors around Kotka

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
MaretariumAquariums
0.6 km
Haukkavuori observation towerViewpoints
1.2 km
Räskin lintutorniViewpoints
1.6 km
Kotka Golf CenterGolf courses
3.9 km
Santalahti campingCamp sites
4.6 km
Leirikeskus LuoviCamp sites
4.9 km
UuperinrinteetSki area · 3 km of pistes · 3 lifts
19 km

Nature around Kotka

Nature in Finland

Wildlife in October

The birds and mammals of Finland seen most this month, compared with the rest of their year.

The sky over Kotka

Eclipses and meteor showers

Earthquakes around Kotka

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Universities and research institutes

Kotka Maritime Research CentreResearch institute · founded 2005

Towns and villages around Kotka

Each with its own page: weather, climate and the best time to visit.

Kotka from above

Postal codes

48100–48101481304820048210482204830048310484014860148771489004891048930

Getting to Kotka

Lappeenranta AirportLPP
92 km
Helsinki Vantaa AirportHEL
110 km
Lennart Meri Tallinn AirportTLL
166 km
Kotka satamaRailway station
0.4 km
KotkaRailway station
1 km
PaimenporttiRailway station
2.1 km
SapokkaKaunissaari · Risteilyalukset · Varissaari
0.7 km
RisteilyaluksetSapokka
0.8 km

Places near Kotka

Places with a climate like Kotka

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Kotka?
Based on 30-year climate normals, June, July and August offer the best balance of comfortable temperatures, low rainfall and sunshine in Kotka.
What is the hottest month in Kotka?
July is the warmest month, with average highs of 22°C and lows of 14°C.
What is the coldest month in Kotka?
February is the coldest month, with average highs of -3°C and lows of -8°C.
What is the rainiest month in Kotka?
December is the wettest month with about 61 mm of precipitation on 16 wet days.
How warm is the sea near Kotka?
The sea is warmest in August at about 17°C and coolest in February at about 0°C.
What is the postal code of Kotka?
Kotka has 14 postal codes: 48100–48101, 48130, 48200, 48210, 48220, 48300, 48310, 48401, 48601, 48771, 48900, 48910 ….