World Resorts Croatia Rijeka Weather

Rijeka sea water temperature

Current sea water temperature:
+77.0°F
Minimum sea water temperature in July: 82.0°F
Maximum sea water temperature in July: 70.9°F
Average sea water temperature in July: 75.8°F

Sea water temperature for the last 10 days:

July 15 77.0°F July 10 76.5°F
July 14 77.2°F July 9 76.6°F
July 13 76.8°F July 8 76.8°F
July 12 75.9°F July 7 76.8°F
July 11 75.9°F July 6 77.9°F

When is the warmest sea in Rijeka?

Based on the data about daily sea water temperature for the last three years the warmest sea in Rijeka was noticed in August, July and September.

Monthly Sea Temperatures in Rijeka, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 76.1°F and 71.8°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 77.0°F. The highest and lowest sea temperatures during the month were 79.0°F and 75.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 72.3°F. The highest and lowest sea temperatures during the month were 73.8°F and 70.7°F.

Best time for vacation in Rijeka

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 79.8 °F
July 79.7 °F
June 75.8 °F
Warmest sea temp:
August 76.1 °F
July 75.8 °F
September 71.3 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 45.0 °F
Rainiest months:
May 7 days
November 6 days
July 6 days
Windiest months:
February 8.4 mph
March 7.9 mph
November 7.8 mph

Rijeka on a weather map

Rijeka
+79°F
SW 2 mph
Feels like: +81°F
Precip.: 16%
Places in Croatia:
Name
°F
+79°F
+79°F
+82°F
+72°F
+81°F
+86°F
+82°F
+82°F
+77°F
+79°F
+79°F
+77°F
+82°F
+82°F
+79°F
24 Hours Forecast
Rijeka
Local time: 07:35
July 16, thursday
0900
79°F
SW
2 mph
1200
82°F
SW
1 mph
1500
84°F
W
2 mph
1800
84°F
SE
1 mph
2100
72°F
SW
4 mph
July 17, friday
0000
66°F
SW
6 mph
0300
66°F
SW
6 mph
0600
66°F
SW
5 mph
Units of measurement: °C / °F