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Opatija Monthly Climate Averages
Opatija is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Opatija .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +9.1 | +2.9 | 129 | 9.8h |
February | +9.9 | +3.2 | 104 | 11h |
March | +12.6 | +5.5 | 113 | 12.5h |
April | +15.9 | +8.4 | 114 | 14.1h |
May | +21.1 | +12.8 | 103 | 15.5h |
June | +24.6 | +16 | 120 | 16.2h |
July | +27.9 | +18.6 | 70 | 15.8h |
August | +28.1 | +18.6 | 102 | 14.5h |
September | +23.5 | +14.9 | 157 | 13h |
October | +18.5 | +10.9 | 104 | 11.4h |
November | +13.2 | +6.6 | 182 | 10.1h |
December | +10.1 | +4 | 156 | 9.4h |
High season with the best weather conditions for the beach leisure in Opatija are typically July, August.
Temperature in Opatija
The table shows that the hottest months in Opatija are August and July, during which the average daytime temperature reaches +28.1°C and the nighttime temperature falls to +18.6°C.
The coldest months are January and February, when the daily average temperature falls to +9.1°C, and drops to +2.9°C during the night.
Best beach resorts :
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Sea temperature
The month with the highest average monthly temperature in the Adriatic Sea on the beaches of Opatija is August with 24 degrees.
The coldest water can be found in February — 11degrees C.
Precipitation
The largest amount of precipitation falls on average in November and September, up to 182mm, and the least in July and August — up to 70mm.