17.05
sun
sun
Day
70°F
SE 12 mph
Precip.
0%
0%
Night
61°F
SE 4 mph
Precip.
0%
0%
18.05
mon
mon
Day
70°F
S 2 mph
Precip.
0%
0%
Night
63°F
SW 2 mph
Precip.
0%
0%
19.05
tue
tue
Day
70°F
SE 4 mph
Precip.
0%
0%
Night
64°F
SE 1 mph
Precip.
0%
0%
20.05
wed
wed
Day
66°F
S 11 mph
Precip.
78%
78%
Night
63°F
SE 8 mph
Precip.
0%
0%
21.05
thu
thu
Day
70°F
S 12 mph
Precip.
0%
0%
Night
63°F
SE 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
68°F
S 11 mph
Precip.
100%
100%
Night
64°F
S 10 mph
Precip.
100%
100%
23.05
sat
sat
Day
64°F
SE 12 mph
Precip.
100%
100%
Night
63°F
SE 6 mph
Precip.
100%
100%
24.05
sun
sun
Day
70°F
S 8 mph
Precip.
0%
0%
Night
64°F
S 2 mph
Precip.
0%
0%
25.05
mon
mon
Day
72°F
S 3 mph
Precip.
0%
0%
Night
64°F
S 2 mph
Precip.
0%
0%
26.05
tue
tue
Day
70°F
S 6 mph
Precip.
0%
0%
Night
66°F
SE 2 mph
Precip.
0%
0%
27.05
wed
wed
Day
70°F
SE 6 mph
Precip.
100%
100%
Night
64°F
E 2 mph
Precip.
0%
0%
28.05
thu
thu
Day
70°F
SE 4 mph
Precip.
0%
0%
Night
66°F
SE 1 mph
Precip.
0%
0%
29.05
fri
fri
Day
72°F
SE 4 mph
Precip.
0%
0%
Night
66°F
SW 1 mph
Precip.
0%
0%
30.05
sat
sat
Day
72°F
S 2 mph
Precip.
0%
0%
Night
68°F
SE 1 mph
Precip.
0%
0%
sea water
temperature
temperature
| Rethymno |
monthly
weather
weather
| Rethymno |
current
weather
weather
| Rethymno |
7 days
forecast
forecast
| Rethymno |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 65.3°F. The highest and lowest sea temperatures during the month were 67.5°F and 63.7°F.
Air temperature in Rethymno, °F
Precipitation total in Rethymno, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rethymno
Rethymno on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Rethymno
Local time: 00:51
May 17, sunday
0300
63°F
E
8 mph
8 mph
0600
61°F
SE
6 mph
6 mph
0900
68°F
E
5 mph
5 mph
1200
70°F
SE
12 mph
12 mph
1500
72°F
SE
11 mph
11 mph
1800
68°F
SE
5 mph
5 mph
2100
66°F
SE
13 mph
13 mph
May 18, monday
0000
61°F
SE
4 mph
4 mph
