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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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
- Average pressure in January:
1016.4mbar - Average pressure in February:
1015.1mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1012.4mbar - Average pressure in June:
1010.8mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.8mbar - Average pressure in September:
1013mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1017.3mbar - Average pressure in December:
1017.8mbar
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
- Average wind speed in January:
30km/h - Average wind speed in February:
28.6km/h - Average wind speed in March:
26.1km/h - Average wind speed in April:
23.4km/h - Average wind speed in May:
18.8km/h - Average wind speed in June:
20.6km/h
- Average wind speed in July:
26.7km/h - Average wind speed in August:
29km/h - Average wind speed in September:
24.3km/h - Average wind speed in October:
25.2km/h - Average wind speed in November:
25.2km/h - Average wind speed in December:
28.9km/h
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
- Average rainfall days in January:
14.9 days - Average rainfall days in February:
12.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
6.9 days - Average rainfall days in June:
4.1 days
- Average rainfall days in July:
0.9 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
4.4 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
13.9 days
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
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
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).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 30min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 36min - Average sunshine in May:
11h and 30min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 42min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 0min
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
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
21.4 days - Average sunshine days in May:
21.9 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
30.1 days - Average sunshine days in August:
29.4 days - Average sunshine days in September:
24.2 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
13.7 days
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).





