Cool
Average highs are around 13°C, so pack for cooler days.
April verdict
Opatija, Croatia in April
Weather score23Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 118mm, so some wet days are possible.
April weather
Monthly averages
Temp
13°C
Rain
118mm
Sun
6h
Sea
12°C
Weather score
23
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 118mm, so some wet days are possible.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Opatija, Croatia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April13°C average high
April is close to Opatija'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
April118mm average rain
April sits near Opatija's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April6 hours average sun
April sits close to Opatija's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April12°C average sea
April is below Opatija's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
Weather score
April23 weather score
April scores below Opatija'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.
