Climate averages 1991–2020

Irákleion weather
in April.

A mild, fairly dry month: the 7th warmest and the 6th driest of the year. Meets the pleasant-weather rule

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

Average high 21.0°C Daytime mean, April
Average low 11.9°C Night-time mean, April
Rainfall 36 mm 6 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Irákleion · average highYear overview

April is a mild month in Irákleion: daytime highs average 21.0°C and nights cool to about 11.9°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 36 mm of rain on roughly 6 days, which makes April a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 03 min on an average April day.

The nearest other city in this atlas is Glyfáda (308 km away). In April its highs average 20.0°C, 0.9°C cooler than Irákleion, with 19 mm of rain.

Among the 11 cities listed in Greece, Irákleion ranks 1st of 11 for the warmest April highs and 6th of 11 for the driest April (rainfall, lowest first). The mean April high of those 11 cities is 19.4°C; Irákleion is 1.6°C warmer than that mean.

From April to May, average highs rise by 4.6°C to 25.6°C, and monthly rainfall falls from 36 mm to 31 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. 5101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall 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

Irákleion climate table

1991–2020
Monthly climate averages for Irákleion, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 14.3°C8.3°C8.3°C6812.110.110 h
February 14.9°C8.2°C8.2°C6610.610.911 h
March 17.3°C9.3°C9.3°C548.311.912 h
April, selected 21.0°C11.9°C11.9°C365.613.113 h
May 25.6°C15.9°C15.9°C314.214.014 h
June 29.5°C20.0°C20.0°C131.914.514 h
July 31.1°C22.2°C22.2°C4.90.714.314 h
August 30.9°C22.4°C22.4°C6.10.713.513 h
September 28.5°C20.1°C20.1°C192.912.412 h
October 24.3°C16.8°C16.8°C385.911.311 h
November 19.6°C13.2°C13.2°C447.110.310 h
December 15.6°C10.0°C10.0°C6411.39.810 h

Rainfall is the average of the 30 separate monthly totals. A rain 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 Irákleion

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 Irákleion) is explained once on the Irákleion year overview and on the Sources, method and limits page.