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🌊 DHMZ & Oceanographic Climatology Guide 2026

Sea Temperature in Novalja in August (2026) – Swimming Guide

Sea temperature in Novalja in August averages 26.1°C (typical range 24.2°C–28.5°C). Swimming conditions, 10-day trends, and top beaches.

🏖️ Explore all 15 beaches in Novalja →
Annual Overview May 19.3°C June 23.4°C July 25.8°C August 26.1°C September 23.7°C October 20.2°C
🌡️ Average Sea Temperature
26.1°C

Typical Range: 24.2°C – 28.5°C

🏊 Swimming Comfort
Very warm & ideal / Perfect for long swims & kids

Standard swimwear. No wetsuit needed; water is warm and welcoming even for infants.

☀️ Air Temperature (Day / Night)
30.4°C / 21.8°C noć

Povoljni termički uvjeti za cjelodnevni boravak uz more

🌤️ Sunshine & Rainfall
11.4h sun hours / day

3 rainy days · UV Index 8

Sea Temperature Progression in August by Decade

Multi-year oceanographic measurements across early, mid, and late month:

1st – 10th August 27°C Early Month
11th – 20th August 26.1°C Mid Month
21st – 31st August 25.2°C Late Month

Annual Oceanographic Climatology for Novalja

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°) 11.5°C 5.2°C 4.6 h 7 d Crisp & cool
February 12.4°C (10.8° – 13.8°) 12.2°C 5.6°C 5.5 h 6 d Crisp & cool
March 13.5°C (11.9° – 15.2°) 15.1°C 8°C 6.8 h 6 d Crisp & cool
April 15.8°C (14.1° – 18.1°) 18.8°C 11.2°C 8.2 h 7 d Crisp & cool
May → 19.3°C (17° – 21.8°) 23.6°C 15.5°C 9.6 h 6 d Refreshing & invigorating
June → 23.4°C (20.6° – 26°) 27.8°C 19.4°C 11 h 5 d Comfortable & warm
July → 25.8°C (23.8° – 28.1°) 30.6°C 22°C 12.1 h 3 d Very warm & ideal
August → 26.1°C (24.2° – 28.5°) 30.4°C 21.8°C 11.4 h 3 d Very warm & ideal
September → 23.7°C (21.4° – 25.8°) 25.6°C 17.8°C 9 h 5 d Comfortable & warm
October → 20.2°C (18° – 22.5°) 20.6°C 13.8°C 6.8 h 7 d Refreshing & invigorating
November 17.2°C (15.2° – 19°) 15.8°C 9.5°C 4.9 h 8 d Crisp & cool
December 14.5°C (12.8° – 16°) 12.2°C 6.1°C 4.1 h 8 d Crisp & cool

Top Rated Beaches in Novalja for this Season

Curated bathing spots featuring verified water cleanliness and supreme swimming comfort (15 verified locations):

View all 15 beaches in Novalja →

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 Novalja

Is it warm enough to swim in Novalja in August?

In August, average sea temperature in Novalja is 26.1°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 30.4°C (21.8°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°C, mid-month (11th–20th) sits at 26.1°C, and late month (21st–31st) reaches 25.2°C.

Explore Sea Temperatures Across the Adriatic