Rethymno Weather

The prefecture of Rethymno presents a humid environment, cold wintertime, rising high-season temperatures, and a dry climate throughout the summer.

Rethymno offers warmth throughout the summer, mostly during August and July. Winters, on the other hand, come with frequent rainfall.
Many accommodation options in Rethymno near the town of Rethymno remain open through the off-season, though most tourist-focused facilities shut down for the winter. 

Rethymno is better for a spring or summer visit, but one can have a great stay regardless of the time of year.
However, it is necessary to mention that the majority of tourist amenities open in early April and close down before the start of November.

Below, you can see the average temperatures in Rethymno by month. We have also gathered information regarding the weather by month.

Average High & Low Air Temperature (in °C/°F)

 

Discover the weather in Rethymno by month:
January | February | March | April | May | June | July | August | September | October | November | December

January is the coldest month in Rethymno.

The average temperature is 9.4°C/48.9°F (maximum 12.2°C/53.9°F | minimum 6.8°C/44.3°F)
On the coldest nights, the temperature may drop to 1°C/33.8°F.
On the warmest days, the temperature may reach 25.2°C/77.4°F.
The sunshine lasts approximately 5.1 hours.
Humidity reaches 80%, while the mean speed of the wind is around 21.9 kph (13.6 mph).
The mean sea temperature is about 16.7°C/62.1°F; hence, swimming is not quite recommended.

February has a similar climate to January, with winds and cold sea waters.

The average temperature is 9.7°C/49.4°F (maximum: 12.7°C/54.9°F | minimum 9.7°C/49.4°F).
On the coldest nights, the temperature may drop to 1°C/33.8°F.
On the warmest days, the temperature may reach 25°C/77°F.
The sunshine lasts approximately 5.7 hours.
Humidity reaches 77%, while the mean speed of the wind is around 22.2 kph (13.8 mph).
The mean sea temperature is about 16.1°C/61°F; hence, swimming is not recommended.

The first month of springtime, March, is still quite cold for mass springtime visits.

The average temperature is 11.7°C/53°F (maximum 15.3°C/59.6°F | minimum 8.2°C/46.8°F).
On the coldest nights, the temperature may drop to 4°C/39.2°F.
On the warmest days, the temperature may reach 30°C/86°F.
The sunshine lasts approximately 7.8 hours.
Humidity reaches 72%, while the mean speed of the wind is around 20.1 kph (12.5 mph).
The mean sea temperature is about 16.3°C/61.3°F; hence, swimming is not recommended.

The bright sun appearing in April shines over Rethymno, raising the temperatures and preparing the prefecture for the summer! On the contrary, sea waters are still cold.

The average temperature is 14.7°C/58.4°F (maximum 18.7°C/65.6°F | minimum 10.7°C/51.3°F).
On the coldest nights, the temperature may drop to 7°C/44.6°F.
On the warmest days, the temperature may reach 32°C/89.6°F.
The sunshine lasts approximately 9.8 hours.
Humidity reaches 65%, while the mean speed of the wind is around 17.2 kph (10.7 mph).
The mean sea temperature is about 16.8°C/62.2°F; hence, swimming is not quite recommended.

May is a sun-filled month, signaling the opening of most vacation spots and accommodation options in Rethymno with affordable prices!

The average temperature is 19°C/66.2°F (maximum: 23.2°C/73.8°F | minimum: 14.6°C/58.3°F).
On the coldest nights, the temperature may drop to 10°C/50°F.
On the warmest days, the temperature may reach 37.8°C/100°F.
The sunshine lasts approximately 11.5 hours.
Humidity reaches 57%, while the mean speed of the wind is around 15.1 kph (9.4 mph).
The mean sea temperature is about 19.2°C/66.6°F; hence, the waters are a bit cool.

Starting off the summer, June makes Rethymno slowly start to heat up!

The average temperature is 23.1°C/73.5°F (maximum 27.4°C/81.2°F | minimum 18.5°C/65.2°F).
On the coldest nights, the temperature may drop to 14°C/57.2°F.
On the warmest days, the temperature may reach 35.2°C/95.4°F.
The sunshine lasts approximately 12.6 hours.
Humidity reaches 51%, while the mean speed of the wind is around 15.8 kph (9.8 mph).
The mean sea temperature is 22.8°C/73°F; hence, the waters are mildly warm.

Along with August, July is one of the hottest months of Rethymno, with an increase in temperature, incoming tourists, and hotel prices!

The average temperature is 25.2°C/77.4°F (maximum 29.5°C/85.1°F | minimum 20.7°C/69.2°F).
On the coldest nights, the temperature may drop to 18.6°C/65.5°F.
On the warmest days, the temperature may reach 37°C/98.6°F.
The sunshine lasts approximately 12.5 hours.
Humidity reaches 51%, while the mean speed of the wind is around 18.7 kph (11.6 mph).
The mean sea temperature is 25.5°C/77.9°F; hence, the waters are quite warm.

August is characterized by high prices and a hot, dry climate. We recommend booking your room of preference way before your arrival and purchasing your ferry tickets at least a couple of months in advance!

The average temperature is 25°C/77°F (maximum 29.3°C/84.7°F | minimum 20.8°C/69.4°F).
On the coldest nights, the temperature may drop to 20°C/68°F.
On the warmest days, the temperature may reach 40°C/104°F.
The sunshine lasts approximately 11.6 hours.
Humidity reaches 55%, while the mean speed of the wind is around 18.7 kph (11.6 mph).
The mean sea temperature is 26.1°C/79°F; hence, the waters are very warm.

September is a prime chance for guests of Rethymno to have a relaxing experience without overspending for their stay! The sea waters remain strongly on the warm side, while most centers offering activities are still open!

The average temperature is 22.4°C/72.3°F (maximum 26.7°C/80°F | minimum 18.6°C/65.5°F).
On the coldest nights, the temperature may drop to 14°C/57.2°F.
On the warmest days, the temperature may reach 38°C/100.4°F.
The sunshine lasts approximately 9.9 hours.
Humidity reaches 61%, while the mean speed of the wind is around 17.2 kph (10.7 mph).
The mean sea temperature is 25.1°C/77.2°F; hence, the waters are quite warm.

A slow end to Rethymno's summer season, October has warm enough waters, but some establishments are starting to pack things up for the year.

The average temperature is 18.4°C/65.2°F (maximum 22.1°C/71.8°F | minimum 15.3°C/59.5°F).
On the coldest nights, the temperature may drop to 11.4°C/52.5°F.
On the warmest days, the temperature may reach 33.4°C/92.1°F.
The sunshine lasts approximately 8 hours.
Humidity reaches 70%, while the mean speed of the wind is around 17.1 kph (10.6 mph).
The mean sea temperature is 22.8°C/73°F; hence, the waters are mildly warm.

November has a decrease in temperature and comes with a humid environment.

The average temperature is 14.6°C/58.4°F (maximum 17.8°C/64.1°F | minimum 11.9°C/53.5°F).
On the coldest nights, the temperature may drop to 7.8°C/46°F.
On the warmest days, the temperature may reach 33°C/91.4°F.
The sunshine lasts approximately 6.4 hours.
Humidity reaches 76%, while the mean speed of the wind is around 19.2 kph (11.9 mph).
The mean sea temperature is 20.1°C/68.2°F; hence, the waters are somewhat warm.

December is a cooler month than November and, like January, is one of the two most rain-heavy months of the entire year.

The average temperature is 11°C/52°F (maximum 13.7°C/56.6°F | minimum 8.7°C/47.6°F).
On the coldest nights, the temperature may drop to 4°C/39.2°F.
On the warmest days, the temperature may reach 25°C/77°F.
The sunshine lasts approximately 5 hours.
Humidity reaches 80%, while the mean speed of the wind is around 21.2 kph (13.2 mph).
The mean sea temperature is about 17.8°C/64°F; hence, swimming is not quite recommended.