Cool
Average highs are around 15°C, so pack for cooler days.
April verdict
Slovenia in April
Weather score28Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 111mm, so some wet days are possible.
April weather
Monthly averages
Temp
15°C
Rain
111mm
Sun
5.9h
Sea
5°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 111mm, so some wet days are possible.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 5°C, so the water can feel cool.
Map
Weather map
Compare Slovenia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April15°C average high
April is close to Slovenia's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
April111mm average rain
April sits near Slovenia's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.9 hours average sun
April sits close to Slovenia's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April5°C average sea
April is below Slovenia's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to September
Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.
Weather score
April28 weather score
April scores below Slovenia's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
