Climate and monthly weather forecastGalissas, Greece

Climate and monthly weather forecast

The best time to visit Galissas

The best months for a swim in Galissas, Greece, are July and August, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

Weather in January

January, like December, is another mild winter month in Galissas, Greece, with an average temperature fluctuating between 13.8°C (56.8°F) and 11.9°C (53.4°F). The coldest time of the year is January, with temperatures averaging a high of 13.8°C (56.8°F) and a low of 11.9°C (53.4°F). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Galissas, Greece, with an average temperature ranging between max 14.4°C (57.9°F) and min 12.5°C (54.5°F). The transition into February notes an average high-temperature of a still mild 14.4°C (57.9°F), revealing a mild distinction from the 13.8°C (56.8°F) in January. Weather in February »

Weather in March

March, the first month of the spring in Galissas, is also a moderate month, with temperature in the range of an average high of 15.1°C (59.2°F) and an average low of 13.2°C (55.8°F). The transition into March shows a subtle variation to a still moderate 15.1°C (59.2°F) from February's 14.4°C (57.9°F) in the average high-temperature. Weather in March »

Weather in April

April is a refreshing spring month in Galissas, Greece, with an average temperature ranging between max 16.6°C (61.9°F) and min 14.9°C (58.8°F). In April, Galissas experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 16.6°C (61.9°F), closely mirroring the climate in March. Weather in April »

Weather in May

May, the last month of the spring in Galissas, is a pleasant month, with an average temperature ranging between min 18.6°C (65.5°F) and max 20.2°C (68.4°F). In Galissas, the onset of May comes with a modest high-temperature shift, transitioning from April's refreshing 16.6°C (61.9°F) to an agreeable 20.2°C (68.4°F). Weather in May »

Weather in June

June, the first month of the summer in Galissas, is a moderately hot month, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 23.5°C (74.3°F). June brings a slight increase in the average high-temperature, progressing from a pleasant 20.2°C (68.4°F) in May to a moderately hot 23.5°C (74.3°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Galissas, Greece, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 23.9°C (75°F). The perfect water temperature of 25.1°C (77.2°F) with 1mm (0.04") of accumulated rainfall and only 0.9 rainfall days, makes July a great period for swimming and other water activities. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Galissas, Greece, with temperature in the range of an average high of 26.1°C (79°F) and an average low of 24.4°C (75.9°F). An excellent water temperature of 25.8°C (78.4°F) and only 0.8 rainfall days, with 1mm (0.04") of accumulated rainfall, makes August a prime for swimming and other water activities. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Galissas, Greece, with an average temperature varying between 22.8°C (73°F) and 24.2°C (75.6°F). Galissas sees the arrival of September with an average high-temperature of a still warm 24.2°C (75.6°F), indicating a subtle variation from August. Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Galissas, Greece, with an average temperature varying between 21°C (69.8°F) and 19.5°C (67.1°F). The beginning of October subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 24.2°C (75.6°F) in September to an agreeable 21°C (69.8°F). Weather in October »

Weather in November

November, the last month of the autumn in Galissas, is also an enjoyable month, with an average temperature varying between 17°C (62.6°F) and 18.4°C (65.1°F). Galissas, Greece, observes an average high-temperature of an enjoyable 18.4°C (65.1°F) in November, barely different from 21°C (69.8°F) in October. Weather in November »

Weather in December

December, the first month of the winter in Galissas, is still a refreshing month, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 15.5°C (59.9°F). December's beginning signals an average high-temperature of a still refreshing 15.5°C (59.9°F), barely different from November's 18.4°C (65.1°F). Weather in December »

Frequently asked questions

January, with its average high-temperature of 13.8°C (56.8°F) and an average low-temperature of 11.9°C (53.4°F), holds the record as the coldest month.

January and December, with an average relative humidity of 71%, are the least humid months.

January is the month with the most rainfall. Rain falls for 14.9 days and accumulates 53mm (2.09") of precipitation.

In Galissas, Greece, during the entire year, the rain falls for 93 days and collects up to 255mm (10.04") of precipitation.

The month with the least sunshine in Galissas is January, with an average of 5.7h of sunshine.

February is the month with the coldest seawater in Galissas, with an average sea temperature of 15.6°C (60.1°F).

The month with the longest days is June, with an average of 14h and 42min of daylight.

The months with the most sunshine are June through August, with an average of 12.1h of sunshine.

July and August are months with the least rain when the rain falls for 0.9 days and typically aggregates up to 1mm (0.04") of rain.

With an average maximum UV index of 7, July is the month with the highest UV index in Galissas.

Temperature readings reach their annual highs in August, averaging 26.1°C (79°F) and a minimum average of 24.4°C (75.9°F).

August is the most humid month in Galissas, with an average relative humidity of 76%.

August is the month with the warmest seawater, with an average sea temperature of 25.8°C (78.4°F).

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.

December has the shortest days of the year, with an average of 9h and 36min of daylight.

With an average maximum UV index of 3, December is the month with the lowest UV index.

Average temperature
Galissas, Greece

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (13.8°C).

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).

Average pressure
Galissas, Greece

The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).

Average wind speed
Galissas, Greece

The windiest month (with the highest average wind speed) is January (30km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).

Average humidity
Galissas, Greece

The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are January and December (71%).

Average rainfall
Galissas, Greece

The wettest month (with the highest rainfall) is January (53mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days
Galissas, Greece

The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (0.8 days).

Average sea temperature
Galissas, Greece

The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).

Average daylight / Average sunshine
Galissas, Greece

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days
Galissas, Greece

The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (12.4 days).

Average UV index
Galissas, Greece

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover
Galissas, Greece

The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 3).

Average visibility
Galissas, Greece

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).