April weather forecastEspoo, Finland
April
Weather in April
In April, Espoo, Finland's weather takes a notable turn towards warmer days, sharply contrasting with the chilly conditions observed in March. The sea becomes less cold, indicating the steady shift towards mild temperatures. Flowers begin to bloom, marking a visible change in the city's landscapes, and the extended daylight perks up daily routines and outdoor activity intensity.Sea temperature
In Espoo, the average seawater temperature in April is 1.6°C (34.9°F).Note: During swimming events, this situation presents an imminent life risk. Instantaneous loss of breath control makes clear thinking a near impossibility. A specialized swimsuit is compulsory to limit thermal dissipation.
Daylight
In Espoo, the average length of the day in April is 14h and 38min.On the first day of April, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 05:18 and sunset at 21:18 EEST.
Updated: Aug 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In April, the average sea temperature in Espoo is 1.6°C (34.9°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
The average day length in April is 14h and 38min.
In April, on the first day of the month, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 05:18 and sunset at 21:18 EEST.
Average sea temperature in April
Espoo, Finland
- Average sea temperature in April: 1.6°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is March (0.1°C).
Average daylight in April
Espoo, Finland
- Average daylight in April: 14h and 36min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).





