Kythira Weather

The weather in Kythira has many similarities to the climate of the Ionian Islands and the southern coast of the Peloponnese. The temperatures in Kythira are quite high during the summertime, while the winter is mildly cold.

In brief, Kythira has very warm summers, with temperatures of up to 41.1°C/106°F. Autumn and wintertime come with plentiful rainfalls and humidity.

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

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

Months Air High Air Low Sea Rainfall Sunshine
April 18°C/64.4°F 15.2°C/59.3°F 16.4°C/61.5°F 7 days 9.5 Hours
May 22.6°C/72.6°F 19.1°C/66.4°F 19°C/66.2°F 3 days 10.5 Hours
June 27.9°C/82.2°F 23.7°C/74.6°F 22.8°C/73°F 1 day 11.5 Hours
July 31.1°C/88°F 27.2°C/81°F 25.7°C/78.3°F 0 days 12 Hours
August 30.7°C/87.3°F 26.5°C/79.8°F 26.1°C/79°F 1 day 11.5 Hours
September 26.8°C/80.2°F 22.9°C/73.2°F 25.5°C/77.9°F 2 days 10.5 Hours
October 22.2°C/71.9°F 19.1°C/66.4°F 23.1°C/73.6°F 6 days 9 Hours

 

Weather by month

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

January

January in Kythira has temperatures between 10°C/50°F to 13°C/55.4°F, along with high levels of humidity.

The average temperature is 11.5°C/52.8°F (maximum 12.8°C/55.1°F | minimum 9.9°C/49.7°F).
On the coldest nights, the temperature may drop to -1.1°C/30°F.
On the warmest days, the temperature may reach 21.1°C/70°F.
The sunshine lasts approximately 6.1 hours.
Humidity reaches 72%, while the mean speed of the wind is around 21.3 kph (13.3 mph).
The mean sea temperature is about 16.6°C/61.9°F; hence, swimming is not quite recommended.

February

February has similar temperatures to January and the coldest waters of the year.

The average temperature is 11.9°C/53.4°F (maximum: 13°C/55.5°F | minimum 10.2°C/50.4°F).
On the coldest nights, the temperature may drop to 1.1°C/34°F.
On the warmest days, the temperature may reach 17.8°C/64°F.
The sunshine lasts approximately 6.7 hours.
Humidity reaches 72%, while the mean speed of the wind is around 22.1 kph (13.7 mph).
The mean sea temperature is about 15.8°C/60.4°F; hence, swimming is not recommended.

March

Humidity levels are still high during March, with the island's temperatures at a slow incline.

The average temperature is 13.0°C/55.5°F (maximum 14.4°C/57.8°F | minimum 11.4°C/52.4°F).
On the coldest nights, the temperature may drop to 2.2°C/36°F.
On the warmest days, the temperature may reach 22.8°C/73°F.
The sunshine lasts approximately 7.4 hours.
Humidity reaches 72%, while the mean speed of the wind is around 23.1 kph (14.4 mph).
The mean sea temperature is about 15.9°C/60.6°F; hence, swimming is not recommended.

April

The rising temperatures and strong winds of April are a sign of springtime before the start of the summer season.

The average temperature is 16.7°C/62.1°F (maximum 18°C/64.4°F | minimum 15.2°C/59.3°F).
On the coldest nights, the temperature may drop to 8.9°C/48°F.
On the warmest days, the temperature may reach 27.8°C/82°F.
The sunshine lasts approximately 9.4 hours.
Humidity reaches 68%, while the mean speed of the wind is around 21.4 kph (13.3 mph).
The mean sea temperature is about 16.4°C/61.5°F; hence, swimming is not quite recommended.

May

The month of May in Kythira has warm temperatures and offers a great opportunity for a visit right before the inflow of tourists.

The average temperature is 21.1°C/70°F (maximum: 22.6°C/72.6°F | minimum: 19.1°C/66.4°F).
On the coldest nights, the temperature may drop to 12.2°C/54°F.
On the warmest days, the temperature may reach 36.1°C/97°F.
The sunshine lasts approximately 10.3 hours.
Humidity reaches 63%, while the mean speed of the wind is around 20.4 kph (12.7 mph).
The mean sea temperature is about 19°C/66.2°F; hence, the waters are a bit on the cold side.

June

In the less warm month of the summer, June in Kythira has a dry climate and temperatures that often reach well over 35°C/95°F.

The average temperature is 26.1°C/79°F (maximum 27.9°C/82.2°F | minimum 23.7°C/74.6°F).
On the coldest nights, the temperature may drop to 13.9°C/57°F.
On the warmest days, the temperature may reach 41.1°C/106°F.
The sunshine lasts approximately 11.3 hours.
Humidity reaches 57%, while the mean speed of the wind is around 16 kph (10 mph).
The mean sea temperature is 22.8°C/73°F; hence, the waters are warm.

July

July is the warmest month in Kythira, where the sun shines brightly over the island for around 12 hours daily.

The average temperature is 29.5°C/85.1°F (maximum 31.1°C/88°F | minimum 27.2°C/81°F).
On the coldest nights, the temperature may drop to 20°C/68°F.
On the warmest days, the temperature may reach 41.1°C/106°F.
The sunshine lasts approximately 11.9 hours.
Humidity reaches 54%, while the mean speed of the wind is around 18.6 kph (11.6 mph).
The mean sea temperature is 25.7°C/78.3°F; hence, the waters are very warm.

August

August in Kythira is fully booked, with a very warm sea and sky-high temperatures.

The average temperature is 28.9°C/84°F (maximum 30.7°C/87.3°F | minimum 26.5°C/79.8°F).
On the coldest nights, the temperature may drop to 17.8°C/64°F.
On the warmest days, the temperature may reach 40°C/104°F.
The sunshine lasts approximately 11.3 hours.
Humidity reaches 57%, while the mean speed of the wind is around 18 kph (11.2 mph).
The mean sea temperature is 26.1°C/79°F; hence, the waters are very warm.

September

September, like June, is quite warm, with decent levels of humidity. It is also an excellent time to book your hotel in Kythira, as you can enjoy a less crowded time with great air temperatures.

The average temperature is 25.1°C/77.1°F (maximum 26.8°C/80.2°F | minimum 22.9°C/73.2°F).
On the coldest nights, the temperature may drop to 13.9°C/57°F.
On the warmest days, the temperature may reach 35°C/95°F.
The sunshine lasts approximately 10.6 hours.
Humidity reaches 62%, while the mean speed of the wind is around 19 kph (11.8 mph).
The mean sea temperature is 25.5°C/77.9°F; hence, the waters are very warm.

October

October is still good for a visit, though most summertime and tourist-focused establishments are closed for the season.

The average temperature is 20.8°C/69.4°F (maximum 22.2°C/71.9°F | minimum 19.1°C/66.4°F).
On the coldest nights, the temperature may drop to 10°C/50°F.
On the warmest days, the temperature may reach 32.8°C/91°F.
The sunshine lasts approximately 9 hours.
Humidity reaches 68%, while the mean speed of the wind is around 18.9 kph (11.7 mph).
The mean sea temperature is 23.1°C/73.6°F; hence, the waters are warm.

November

November is humid, with medium temperatures and an increased chance of rainfall.

The average temperature is 16.6°C/61.8°F (maximum 17.7°C/63.9°F | minimum 15°C/59°F).
On the coldest nights, the temperature may drop to 6.1°C/43°F.
On the warmest days, the temperature may reach 26.1°C/79°F.
The sunshine lasts approximately 7.4 hours.
Humidity reaches 73%, while the mean speed of the wind is around 20.7 kph (12.9 mph).
The mean sea temperature is 20.3°C/68.5°F; hence, the waters are at a medium temperature.

December

With strong winds and cold temperatures, Kythira is only populated by its residents through December.

The average temperature is 13.3°C/56°F (maximum 14.6°C/58.3°F | minimum 11.8°C/53.3°F).
On the coldest nights, the temperature may drop to 3.9°C/39°F.
On the warmest days, the temperature may reach 21.1°C/70°F.
The sunshine lasts approximately 6.2 hours.
Humidity reaches 73%, while the mean speed of the wind is around 19.2 kph (11.9 mph).
The mean sea temperature is about 17.9°C/64.2°F; hence, the waters are cool.

MORE GENERAL INFO ABOUT KYTHIRA