Measurements:
°C
°F
Rijeka
64°F
SW 2 mph
Feels like: 64°F
Precip: 0%
World Resorts Croatia Rijeka Weather

7 Day Weather Forecast

05.30
sat
DAY
80°F
NE 4 mph
precip
0%
NIGHT
62°F
SW 4 mph
precip
0%
05.31
sun
DAY
76°F
NE 3 mph
precip
100%
NIGHT
58°F
S 4 mph
precip
100%
06.01
mon
DAY
62°F
W 2 mph
precip
100%
NIGHT
56°F
SW 4 mph
precip
0%
06.02
tue
DAY
74°F
NE 4 mph
precip
0%
NIGHT
60°F
W 2 mph
precip
72%
06.03
wed
DAY
64°F
NW 6 mph
precip
100%
NIGHT
54°F
SW 7 mph
precip
0%
06.04
thu
DAY
72°F
NE 2 mph
precip
21%
NIGHT
60°F
SW 2 mph
precip
0%
06.05
fri
DAY
78°F
NE 4 mph
precip
0%
NIGHT
60°F
S 3 mph
precip
0%

Rijeka Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rijeka was 16.7°F. The maximum and minimum values were 14.7°F and 20.2°F respectively.

Rijeka on the Weather Map

Best Time to Visit Rijeka
The most sunny months:
August 23 days
July 21 days
June 20 days
The most warm months:
August 83.1 °F
July 83.0 °F
June 78.5 °F
Warmest sea temperature:
August 79.0 °F
July 78.6 °F
September 73.7 °F
The most cold months:
January 41.4 °F
February 43.6 °F
December 44.4 °F
The most rainy months:
May 7 days
November 6 days
July 6 days
The most windy months:
February 8 mph
March 7 mph
November 7 mph