Kotka Weather in April
April in Kotka typically sees daytime highs of 8°C (46°F) and nighttime lows of 0°C (32°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Kotka in April
This month sees the least rain of the year, making it well suited for outdoor adventures, even if you'll need a jacket. This month experiences about 13 days of rain according to historical data, averaging 41 mm (1.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kotka in April
Expect highs of 8°C (46°F) in Kotka in April, with nights dropping to around 0°C (32°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 0°C (32°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.April in Kotka has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Kotka's climate page.
Kotka Temperature in April
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kotka typically rise from around 4°C (39°F) at the start of April to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Kotka in April
Browse day-by-day weather records for Kotka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kotka historical weather extremes in April
Our historical data for Kotka spans 1976 to 2026, revealing these weather extremes.
- On April 25, 2001, temperatures climbed to 22°C (72°F), marking the warmest April day on record.
- The lowest daytime temperature in April was -4°C (25°F), recorded on April 2, 1998.
- The coldest night in April in Kotka was on April 3, 1998, with a minimum of -12°C (10°F).
Best Places in Finland in April
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in April →
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What to Wear in Kotka in April
Dress warmly and in layers for your trip to Kotka in April. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Kotka in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Kotka's climate page.
See the full Kotka climate overview or explore weather in Finland.