World Resorts Greece Rethymno Weather

Rethymno sea water temperature

Current sea water temperature:
+77.9°F
Minimum sea water temperature in June: 81.9°F
Maximum sea water temperature in June: 68.2°F
Average sea water temperature in June: 74.3°F

Sea water temperature for the last 10 days:

June 27 77.9°F June 22 76.5°F
June 26 78.4°F June 21 76.6°F
June 25 78.1°F June 20 76.6°F
June 24 76.5°F June 19 77.4°F
June 23 76.3°F June 18 77.7°F

When is the warmest sea in Rethymno?

Based on the data about daily sea water temperature for the last three years the warmest sea in Rethymno was noticed in August, July and September.

Monthly Sea Temperatures in Rethymno, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 81.3°F and 78.6°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 83.1°F and 76.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.7°F.

Best time for vacation in Rethymno

Sunniest months:
July 30 days
August 30 days
June 28 days
Warmest months:
August 85.1 °F
July 85.0 °F
September 81.4 °F
Warmest sea temp:
August 80.2 °F
July 78.9 °F
September 78.4 °F
Coldest months:
January 58.1 °F
February 58.7 °F
March 61.2 °F
Rainiest months:
January 4 days
December 4 days
February 3 days
Windiest months:
January 10.5 mph
February 10.3 mph
March 9.3 mph

Rethymno on a weather map

Rethymno
+79°F
S 12 mph
Feels like: +81°F
Precip.: 4%
Places in Greece:
Name
°F
+86°F
+86°F
+82°F
+81°F
+82°F
+77°F
+88°F
+88°F
+82°F
+82°F
+82°F
+84°F
+79°F
+79°F
24 Hours Forecast
Rethymno
Local time: 11:44
June 27, saturday
1200
79°F
S
12 mph
1500
79°F
S
11 mph
1800
77°F
SE
8 mph
2100
73°F
SE
5 mph
June 28, sunday
0000
73°F
SE
7 mph
0300
73°F
SE
10 mph
0600
73°F
S
11 mph
0900
73°F
S
14 mph
Units of measurement: °C / °F