Climate and monthly weather forecastKeratsini, Greece
Climate and monthly weather forecast
The best time to visit Keratsini
The best months for a swim in Keratsini, 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, in Keratsini, Greece, is another fresh winter month, with temperature in the range of an average low of 7.2°C (45°F) and an average high of 11.9°C (53.4°F). January, with its average high-temperature of 11.9°C (53.4°F) and an average low-temperature of 7.2°C (45°F), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a moderate month in Keratsini, Greece, with an average temperature varying between 8.3°C (46.9°F) and 13.3°C (55.9°F). The advent of February presents an average high-temperature of a mild 13.3°C (55.9°F), maintaining a close correlation with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Keratsini, is still a refreshing month, with an average temperature varying between 15.8°C (60.4°F) and 9.6°C (49.3°F). The ushering in of March brings an average high-temperature of a still moderate 15.8°C (60.4°F), closely mirroring the 13.3°C (55.9°F) of February. Weather in March »Weather in April
April in Keratsini, Greece, is a comfortable spring month, with an average temperature ranging between max 19.1°C (66.4°F) and min 12°C (53.6°F). As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a mild 15.8°C (60.4°F) to an enjoyable 19.1°C (66.4°F). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Keratsini, Greece, with an average temperature fluctuating between 16.5°C (61.7°F) and 23.9°C (75°F). Keratsini in May experiences a slight uptick in the average high-temperature, adjusting from April's comfortable 19.1°C (66.4°F) to a moderately hot 23.9°C (75°F). Weather in May »Weather in June
June, the first month of the summer in Keratsini, is also a moderately hot month, with an average temperature ranging between max 28.3°C (82.9°F) and min 20.8°C (69.4°F). June signals a minor shift in the average high-temperature, moving from May's 23.9°C (75°F) to a still warm 28.3°C (82.9°F). Weather in June »Weather in July
July in Keratsini, Greece, is a hot summer month, with an average temperature ranging between min 23.8°C (74.8°F) and max 31.1°C (88°F). The ideal sea water temperature of 25.8°C (78.4°F) and only 3.2 rainfall days, with 6mm (0.24") of accumulated rainfall, makes July the best time for swimming and other water activities. Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Keratsini, Greece, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 30.8°C (87.4°F). The perfect water temperature of 26.3°C (79.3°F) with 4mm (0.16") of accumulated rainfall and only 2 rainfall days, makes August a great period for swimming and other water activities. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Keratsini, Greece, with an average temperature varying between 21°C (69.8°F) and 27.2°C (81°F). September's onset brings a negligible change in high-temperatures, falling from a tropical 30.8°C (87.4°F) in August to a moderately hot 27.2°C (81°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Keratsini, Greece, with temperature in the range of an average low of 16.7°C (62.1°F) and an average high of 22.2°C (72°F). In Keratsini, entering October brings a temperature decrement, reducing from September's warm 27.2°C (81°F) to an agreeable 22.2°C (72°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Keratsini, Greece, with an average temperature varying between 13.5°C (56.3°F) and 18°C (64.4°F). The shift from October to November coincides with a small decrease in the average high-temperature, down to an enjoyable 18°C (64.4°F) from a pleasant 22.2°C (72°F). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Keratsini, Greece, with an average temperature fluctuating between 13.9°C (57°F) and 9.2°C (48.6°F). December's arrival comes with a mild decrease in the average high-temperature, moving subtly from an enjoyable 18°C (64.4°F) in November to a mild 13.9°C (57°F). Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Keratsini, the average lowest temperatures are observed in January, with a high of 11.9°C (53.4°F) and a low of 7.2°C (45°F).
With an average relative humidity of 73%, January is the most humid month in Keratsini, Greece.
In Keratsini, during the entire year, the rain falls for 88.8 days and collects up to 263mm (10.35") of precipitation.
Months with snowfall in Keratsini are January through March and December.
The months with the most snowfall in Keratsini, Greece, are January, February and December, with an average 4mm (0.16") of accumulated snow.
Throughout the year, there are 1.6 snowfall days, and 15mm (0.59") of snow is accumulated.
With an average of 5.7h of sunshine, January has the least sunshine of the year in Keratsini, Greece.
The month with the coldest seawater in Keratsini is February, with an average sea temperature of 15°C (59°F).
April through November are months without snowfall in Keratsini, Greece.
June has the longest days of the year in Keratsini, with an average of 14h and 48min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
July, with its high-temperature average of 31.1°C (88°F) and a low-temperature average of 23.8°C (74.8°F), is the warmest month in Keratsini.
July and August, with an average relative humidity of 50%, are the least humid months in Keratsini.
August is the month with the least rainfall. Rain falls for 2 days and accumulates 4mm (0.16") of precipitation.
August is the month with the warmest seawater in Keratsini, Greece, with an average sea temperature of 26.3°C (79.3°F).
The month with the most sunshine is August, with an average of 12h of sunshine.
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.
The month with the most rainfall in Keratsini is December, when the rain falls for 9.2 days and typically aggregates up to 39mm (1.54") of precipitation.
The month with the shortest days in Keratsini, Greece, is December, with an average of 9h and 36min of daylight.
With an average maximum UV index of 2, December is the month with the lowest UV index in Keratsini, Greece.
Average temperature
Keratsini, Greece
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (11.9°C).
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).
Average pressure
Keratsini, Greece
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1015mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1013mbar - Average pressure in June:
1012mbar
- Average pressure in July:
1011.1mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1014.4mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1017.7mbar - Average pressure in December:
1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).
Average wind speed
Keratsini, Greece
- Average wind speed in January:
14.6km/h - Average wind speed in February:
14.8km/h - Average wind speed in March:
13.5km/h - Average wind speed in April:
12.8km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
13.2km/h - Average wind speed in August:
15.7km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
12.7km/h - Average wind speed in November:
13.1km/h - Average wind speed in December:
13.9km/h
The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity
Keratsini, Greece
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall
Keratsini, Greece
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days
Keratsini, Greece
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
7.6 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.2 days - Average rainfall days in August:
2 days - Average rainfall days in September:
7.3 days - Average rainfall days in October:
8 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (9.9 days).
The month with the least rainy days is August (2 days).
Average snowfall
Keratsini, Greece
The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Keratsini, Greece
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Keratsini, Greece
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight / Average sunshine
Keratsini, 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 48min
- 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 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
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 48min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 6min - Average sunshine in May:
11h and 18min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 0min - Average sunshine in September:
9h and 54min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days
Keratsini, Greece
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
19.7 days - Average sunshine days in April:
19.3 days - Average sunshine days in May:
20.8 days - Average sunshine days in June:
21.3 days
- Average sunshine days in July:
26.8 days - Average sunshine days in August:
27.5 days - Average sunshine days in September:
21 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (16.3 days).
Average UV index
Keratsini, Greece
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Keratsini, Greece
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Keratsini, 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).
