The highest day temperature in April 2026 was 51°F. The lowest night temperature was 25°F. The average values for day and night temperatures during April were 42.0°F и 32.8°F respectivly.

The average sea surface temperature in April 2026 for Lappeenranta was 34.9°F. The maximum and minimum values were 28.8°F and 40.0°F respectively.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for Lappeenranta is 1.4 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 7.8 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lappeenranta in April is 5.6 hours.