Climate averages 1991–2020

Espoo weather
in April.

A cold, fairly dry month: the 7th warmest and one of the driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 6.7°C Daytime mean, April
Average low 0.5°C Night-time mean, April
Rainfall 37 mm 9 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Espoo · average highYear overview

April is a cold month in Espoo: daytime highs average 6.7°C and nights cool to about 0.5°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 37 mm of rain on roughly 9 days, which makes April a fairly dry month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 14 h 32 min on an average April day.

The nearest other city in this atlas is Helsinki (16 km away). In April its highs average 6.9°C, about as warm as Espoo, with 37 mm of rain.

Among the 13 cities listed in Finland, Espoo ranks 7th of 13 for the warmest April highs and joint 11th of 13 for the driest April (rainfall, lowest first). The mean April high of those 13 cities is 6.3°C; Espoo is 0.5°C warmer than that mean.

From April to May, average highs rise by 6.1°C to 12.9°C, and monthly rainfall rises from 37 mm to 43 mm.

The annual picture

April in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Espoo climate table

1991–2020
Monthly climate averages for Espoo, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.9°C-5.8°C-5.8°C5011.16.77 h
February -2.7°C-6.9°C-6.9°C419.09.19 h
March 0.7°C-4.4°C-4.4°C378.211.712 h
April, selected 6.7°C0.5°C0.5°C378.814.515 h
May 12.9°C6.2°C6.2°C438.717.217 h
June 17.1°C11.0°C11.0°C6611.418.819 h
July 20.6°C14.7°C14.7°C6911.218.118 h
August 19.5°C14.1°C14.1°C7012.215.716 h
September 14.5°C10.0°C10.0°C5510.113.013 h
October 8.2°C4.7°C4.7°C5910.810.210 h
November 3.4°C0.5°C0.5°C5911.57.68 h
December 0.3°C-3.0°C-3.0°C5712.46.06 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

April in nearby cities

Distance from Espoo

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Espoo) is explained once on the Espoo year overview and on the Sources, method and limits page.