Seinäjoki Weather in April
April in Seinäjoki brings low temperatures, with highs of 9°C (48°F) and nights dropping to -1°C (30°F). Expect some snow/rainfall, with around 42 mm (1.7 in) typical for the month.
Rainfall in Seinäjoki in April
Historically, April sees about 13 days of snow/rain, with a monthly average of 42 mm (1.7 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Seinäjoki in April
Temperatures in Seinäjoki in April top out at 9°C (48°F) and drop to -1°C (30°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.
Sunshine in Seinäjoki in April
With approximately 191 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.April in Seinäjoki has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options 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 Seinäjoki's climate page.
Seinäjoki Temperature in April
Min Temperature
-1°C (30°F)
Max Temperature
9°C (48°F)
Chance of Rain
44%
Precipitation
42 mm (1.7 in)
Rainy days
13 days
Sunshine
191 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Seinäjoki typically rise from around 4°C (39°F) at the start of April to approximately 10°C (50°F) by the end. Nights are very cold, with lows typically ranging from -4°C (25°F) to 0°C (32°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 Seinäjoki in April
Browse day-by-day weather records for Seinäjoki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Seinäjoki historical weather extremes in April
Our historical data for Seinäjoki spans 1997 to 2026, revealing these weather extremes.
- On April 25, 2011, temperatures climbed to 22°C (72°F), marking the warmest April day on record.
- The coldest April day was on April 2, 1998, with a maximum of -5°C (23°F).
- The coldest night in April in Seinäjoki was on April 1, 1998, with a minimum of -15°C (5°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 →
perfect weather
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What to Wear in Seinäjoki in April
Dress warmly and in layers for your trip to Seinäjoki 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Seinäjoki 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 Seinäjoki's climate page.
See the full Seinäjoki climate overview or explore weather in Finland.
