Sea Temperature in Murter Island in August (2026) – Swimming Guide
Sea temperature in Murter Island in August averages 26.7°C (typical range 24.8°C–29.1°C). Swimming conditions, 10-day trends, and top beaches.
Typical Range: 24.8°C – 29.1°C
Standard swimwear. No wetsuit needed; water is warm and welcoming even for infants.
Povoljni termički uvjeti za cjelodnevni boravak uz more
3 rainy days · UV Index 8
Sea Temperature Progression in August by Decade
Multi-year oceanographic measurements across early, mid, and late month:
Annual Oceanographic Climatology for Murter Island
Multi-year historical records by the Croatian Meteorological and Hydrological Service (DHMZ) & Institute of Oceanography and Fisheries (IZOR)
| Month | Sea Temperature | Day Air | Night Air | Sun Hours | Rain Days | Swimming Verdict |
|---|---|---|---|---|---|---|
| January | 13.1°C (11.5° – 14.5°) | 11.6°C | 5.3°C | 4.6 h | 7 d | Crisp & cool |
| February | 12.4°C (10.8° – 13.8°) | 12.3°C | 5.7°C | 5.5 h | 6 d | Crisp & cool |
| March | 13.5°C (11.9° – 15.2°) | 15.2°C | 8.1°C | 6.8 h | 6 d | Crisp & cool |
| April | 15.8°C (14.1° – 18.1°) | 18.9°C | 11.3°C | 8.2 h | 7 d | Crisp & cool |
| May → | 19.3°C (17° – 21.8°) | 23.7°C | 15.6°C | 9.6 h | 6 d | Refreshing & invigorating |
| June → | 23.4°C (20.6° – 26°) | 27.9°C | 19.5°C | 11 h | 5 d | Comfortable & warm |
| July → | 25.8°C (23.8° – 28.1°) | 30.7°C | 22.1°C | 12.1 h | 3 d | Very warm & ideal |
| August → | 26.7°C (24.8° – 29.1°) | 30.5°C | 21.9°C | 11.4 h | 3 d | Very warm & ideal |
| September → | 24.3°C (22° – 26.4°) | 25.7°C | 17.9°C | 9 h | 5 d | Comfortable & warm |
| October → | 20.8°C (18.6° – 23.1°) | 20.7°C | 13.9°C | 6.8 h | 7 d | Refreshing & invigorating |
| November | 17.2°C (15.2° – 19°) | 15.9°C | 9.6°C | 4.9 h | 8 d | Crisp & cool |
| December | 14.5°C (12.8° – 16°) | 12.3°C | 6.2°C | 4.1 h | 8 d | Crisp & cool |
Top Rated Beaches in Murter Island for this Season
Curated bathing spots featuring verified water cleanliness and supreme swimming comfort (16 verified locations):
Expert Swimming & Marine Tips
🌬️ Winds & Marine Currents
Summer afternoons regularly welcome the refreshing Maestral (NW) sea breeze. A strong Bura (NE) wind can temporarily drop surface water temperatures by 1–2°C, especially in shallow coastal coves.
☀️ Sun Protection & UV Exposure
In peak summer months, the UV index regularly surpasses 8. Limit unprotected sunbathing between 11:00 AM and 4:00 PM, and always use high-factor water-resistant sunscreen.
🤿 Water Clarity & Sea Urchins
The Adriatic Sea here consistently scores excellent water quality under EU bathing water directives. Sea urchins on rocky shallows serve as nature’s bio-indicator of immaculate water purity.
Frequently Asked Questions – Sea Temperature in Murter Island
Is it warm enough to swim in Murter Island in August?
In August, average sea temperature in Murter Island is 26.7°C. Very warm & ideal / Perfect for long swims & kids. Standard swimwear. No wetsuit needed; water is warm and welcoming even for infants.
What is the air temperature and daily sunshine in August?
Average daytime air temperature reaches 30.5°C (21.9°C at night), featuring approximately 11.4 hours of bright sunshine daily and only 3 rainy days.
How does sea temperature evolve from early to late August?
During early August (1st–10th) water averages 27.6°C, mid-month (11th–20th) sits at 26.7°C, and late month (21st–31st) reaches 25.8°C.