NOAA SATELLITE DATA (1991–2020 30-YEAR CLIMATOLOGY)
SI

Slovenia Sea Temperature by Month

Complete 12-month annual water temperature curves across all 4 surveyed coastlines in Slovenia. Includes regional upwelling, bathymetric dynamics, and peak bathing windows.

Climatology Notice: Temperatures represent the 30-year long-term historical average (1991–2020 normal), not a live single-day sensor forecast.

Select Month

JanFebMarAprMayPrimeJunPrimeJulPrimeAugPrimeSepPrimeOctPrimeNovPrimeDec

All 4 Beaches in Slovenia

Individual coordinate lookups from NOAA 0.25° marine grid.

Showing 4 coastlines
Strunjan Beach
#1 in August
25.4°C
Slovenia flagStrunjan, Slovenian Istria, Slovenia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.9°
J
22.5°
J
25.0°
A
25.4°
S
22.6°
O
19.3°
N
16.2°
View Full Beach Guide
Portorož Beach
#2 in August
25.4°C
Slovenia flagPortorož, Slovene Istria, Slovenia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.9°
J
22.5°
J
25.0°
A
25.4°
S
22.6°
O
19.3°
N
16.2°
View Full Beach Guide
Fiesa Beach
#4 in August
25.4°C
Slovenia flagPiran, Slovenia
● Warm Bathwater
NOAA Season Curve (May–Oct):
M
17.9°
J
22.5°
J
25.0°
A
25.4°
S
22.6°
O
19.3°
N
16.2°
View Full Beach Guide

Explore Sea Temperatures by Country

Spain(23.6°C)Italy(25.9°C)Turkey(27.3°C)France(22.4°C)Greece(25.4°C)Cyprus(27.7°C)Croatia(25.2°C)Albania(25.5°C)Montenegro(25.7°C)Malta(26.7°C)Bulgaria(25.1°C)Romania(24.7°C)Slovenia(25.4°C)Portugal(20.7°C)Poland(19°C)Sweden(18.3°C)Netherlands(18.5°C)Bosnia & Herzegovina(25.2°C)Monaco(24.6°C)Latvia(18.5°C)Estonia(18°C)Lithuania(18.8°C)Germany(18.6°C)Denmark(18°C)Norway(15.3°C)Belgium(18.7°C)Faroe Islands(10.9°C)United Kingdom(16.1°C)Ireland(15.9°C)Iceland(10.9°C)Finland(16.6°C)