The highest day temperature in April 2023 was 65°F. The lowest night temperature was 27°F. The average values for day and night temperatures during April were 54.1°F и 41.0°F respectivly.

The average sea surface temperature in April 2023 for Opatija was 55.2°F. The maximum and minimum values were 52.8°F and 59.4°F respectively.

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

Precipitation total in April for Opatija is 2.7 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 6.9 mph.

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 Opatija in April is 8.7 hours.