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Warmest sea in Greece in July

632 coastal locations in Greece ranked by their typical July sea temperature. Region-wide average in July: 25.6°C. The top of the list is where to find the warmest swimming this month.

Warmest in July

Kastellorizo

27.6°C July mean in Greece

Regional July average

25.6°C

across all 632 coastal locations in Greece

Vs annual mean

+5.2°C

above the year-round regional average

What the Greece sea feels like in July

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Greece monthly average 15.6°C to 26.4°C
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  • Warmest month August 26.4°C
  • Coldest month March 15.6°C
  • Annual mean 20.4°C
  • Months above 20°C 6 of 12

Where July fits in the year

July sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Greece month rankings:

Greece sea temperature map (live)

The map shows today's latest reading at every Greece location. The list below is based on the typical July mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Greece locations in July

Sorted by the typical July mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location July mean
1 Kastellorizo Aegean Islands 27.6°C
2 Megisti (Kastellorizo) Notio Aigaio 27.6°C
3 Isthmía Ionian Islands 26.9°C
4 Káto Ássos Ionian Islands 26.9°C
5 Lékhaion Ionian Islands 26.9°C
6 Periyiálion Ionian Islands 26.9°C
7 Vrakhátion Ionian Islands 26.9°C
8 Kalochórion Ionian Islands 26.9°C
9 Néoi Épiváton Ionian Islands 26.9°C
10 Ouranoupolis Ionian Islands 26.9°C
11 Áfitos Ionian Islands 26.9°C
12 Kalívia Poliyírou Ionian Islands 26.9°C
13 Makrýgialos Ionian Islands 26.9°C
14 Néa Fókaia Ionian Islands 26.9°C
15 Néa Potídhaia Ionian Islands 26.9°C
16 Floyitá Ionian Islands 26.8°C
17 Néa Pláyia Ionian Islands 26.8°C
18 Drépanon Ionian Islands 26.8°C
19 Néa Kíos Ionian Islands 26.8°C
20 Ammouliani Halkidiki 26.8°C
21 Asprovalta Central Macedonia 26.8°C
22 Ierissos Halkidiki 26.8°C
23 Milies Central Macedonia 26.8°C
24 Nea Roda Halkidiki 26.8°C
25 Nea Vrasna Central Macedonia 26.8°C
Show 25 more ▸
26 Ouranoupoli Halkidiki 26.8°C
27 Paralia Ofriniou Eastern Macedonia and Thrace 26.8°C
28 Stavros Central Macedonia 26.8°C
29 Tripiti Halkidiki 26.8°C
30 Khaniótis Ionian Islands 26.7°C
31 Agriá Ionian Islands 26.7°C
32 Néa Ankhíalos Ionian Islands 26.7°C
33 Aigio Peloponnese 26.7°C
34 Argos Peloponnese 26.7°C
35 Leonidio Peloponnese 26.7°C
36 Myloi Peloponnese 26.7°C
37 Nafplion Peloponnese 26.7°C
38 Spetses Peloponnese 26.7°C
39 Tolo Peloponnese 26.7°C
40 Fteroti Halkidiki 26.7°C
41 Karidi Halkidiki 26.7°C
42 Neos Marmaras Halkidiki 26.7°C
43 Olympiada Halkidiki 26.7°C
44 Pásion Ionian Islands 26.7°C
45 Porto Carras Halkidiki 26.7°C
46 Sarti Halkidiki 26.7°C
47 Sithonia Halkidiki 26.7°C
48 Stratoni Halkidiki 26.7°C
49 Sykia Halkidiki 26.7°C
50 Vourvourou Halkidiki 26.7°C

Coldest 10 in Greece in July

Same data the other way. Helpful if you want to know which Greece coasts to avoid for swimming in July.

# Location July mean
1 Anaxos Aegean Islands 22.7°C
2 Molyvos Aegean Islands 22.7°C
3 Míthymna Ionian Islands 22.8°C
4 Pétra Ionian Islands 22.8°C
5 Psará Ionian Islands 23.0°C
6 Lagkáda Ionian Islands 23.2°C
7 Vrontádos Ionian Islands 23.2°C
8 Amorgós Ionian Islands 23.3°C
9 Ágios Kírykos Ionian Islands 23.3°C
10 Foúrnoi Ionian Islands 23.3°C

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