World Resorts Greece Rethymno Weather

Rethymno sea water temperature

Current sea water temperature:
+63.5°F
Minimum sea water temperature in April: 67.5°F
Maximum sea water temperature in April: 59.0°F
Average sea water temperature in April: 62.7°F

Sea water temperature for the last 10 days:

April 27 63.5°F April 22 64.4°F
April 26 64.0°F April 21 64.2°F
April 25 64.2°F April 20 63.1°F
April 24 64.2°F April 19 63.3°F
April 23 65.1°F April 18 63.5°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
+61°F
SE 3 mph
Feels like: +61°F
Precip.: 0%
Places in Greece:
Name
°F
+63°F
+57°F
+50°F
+63°F
+57°F
+59°F
+63°F
+63°F
+64°F
+57°F
+63°F
+57°F
+59°F
+59°F
24 Hours Forecast
Rethymno
Local time: 21:09
April 28, tuesday
0000
59°F
S
4 mph
0300
59°F
S
5 mph
0600
59°F
S
8 mph
0900
63°F
S
8 mph
1200
64°F
S
10 mph
1500
64°F
S
9 mph
1800
63°F
S
6 mph
2100
59°F
SW
4 mph
Units of measurement: °C / °F