Climate and monthly weather forecastErmioni, Greece
Climate and monthly weather forecast
The best time to visit Ermioni
The best months for a swim in Ermioni, 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, the same as December, is a cool winter month in Ermioni, Greece, with an average temperature ranging between max 12.6°C (54.7°F) and min 8.6°C (47.5°F). January, having an average high-temperature of 12.6°C (54.7°F) and an average low-temperature of 8.6°C (47.5°F), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Ermioni, is a mild month, with an average temperature fluctuating between 9.3°C (48.7°F) and 13.4°C (56.1°F). During February, Ermioni records an average high-temperature of a refreshing 13.4°C (56.1°F), marking a slight divergence from January's 12.6°C (54.7°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderate month in Ermioni, Greece, with an average temperature varying between 15.7°C (60.3°F) and 10.8°C (51.4°F). With March's arrival, Ermioni notes an average high-temperature of a still refreshing 15.7°C (60.3°F), closely following the trend of the preceding month. Weather in March »Weather in April
April in Ermioni, Greece, is a comfortable spring month, with an average temperature varying between 12.8°C (55°F) and 18.4°C (65.1°F). The weather during April records an average high-temperature of a still refreshing 18.4°C (65.1°F), closely mirroring the preceding month. Weather in April »Weather in May
May, the last month of the spring in Ermioni, is an agreeable month, with an average temperature varying between 16.8°C (62.2°F) and 22.7°C (72.9°F). With the onset of May, Ermioni's average high-temperature sees a modest rise, moving from April's refreshing 18.4°C (65.1°F) to an agreeable 22.7°C (72.9°F). Weather in May »Weather in June
June, the first month of the summer in Ermioni, is a moderately hot month, with an average temperature fluctuating between 26.8°C (80.2°F) and 20.8°C (69.4°F). The beginning of June marks a minor shift in the average high-temperature, moving from May's pleasant 22.7°C (72.9°F) to a moderately hot 26.8°C (80.2°F). Weather in June »Weather in July
July, like June, in Ermioni, Greece, is another warm summer month, with an average temperature ranging between min 23.7°C (74.7°F) and max 29.3°C (84.7°F). The ideal sea water temperature of 25.8°C (78.4°F) and only 3.8 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
August, the last month of the summer in Ermioni, is another warm month, with temperature in the range of an average high of 29.7°C (85.5°F) and an average low of 24.2°C (75.6°F). The ideal sea water temperature of 26.5°C (79.7°F) and only 3.3 rainfall days, with 6mm (0.24") of accumulated rainfall, makes August the best time for swimming and other water activities. Weather in August »Weather in September
September, the first month of the autumn in Ermioni, is also a moderately hot month, with an average temperature varying between 21.2°C (70.2°F) and 26.3°C (79.3°F). Ermioni experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 29.7°C (85.5°F) in August to a still warm 26.3°C (79.3°F). Weather in September »Weather in October
October, the same as September, in Ermioni, Greece, is another pleasant autumn month, with an average temperature ranging between min 17.6°C (63.7°F) and max 21.6°C (70.9°F). October's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 26.3°C (79.3°F) in September to a pleasant 21.6°C (70.9°F). Weather in October »Weather in November
November, the last month of the autumn in Ermioni, is another comfortable month, with an average temperature varying between 18.3°C (64.9°F) and 14.3°C (57.7°F). The beginning of November subtly marks a decrease in the average high-temperature, transitioning from a pleasant 21.6°C (70.9°F) in October to a refreshing 18.3°C (64.9°F). Weather in November »Weather in December
December, the first month of the winter in Ermioni, is also a moderate month, with an average temperature fluctuating between 10.4°C (50.7°F) and 14.4°C (57.9°F). The commencement of December indicates a gentle shift in the average high-temperature, receding from November's enjoyable 18.3°C (64.9°F) to a mild 14.4°C (57.9°F). Weather in December »Updated: Jun 14, 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 Ermioni, January is the month with the lowest recorded average temperatures, measuring a high of 12.6°C (54.7°F) and a low of 8.6°C (47.5°F).
January and February, with an average relative humidity of 72%, are most humid months.
In Ermioni, during the entire year, the rain falls for 95.8 days and collects up to 262mm (10.31") of precipitation.
January, February and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 0.4 days and typically aggregates up to 5mm (0.2") of snow.
In Ermioni, during the entire year, snow falls for 0.8 days and aggregates up to 7mm (0.28") of snow.
With an average of 6.1h of sunshine, January has the least sunshine of the year.
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the coldest seawater is February, with an average sea temperature of 15.3°C (59.5°F).
In Ermioni, snow does not fall in March through November.
June has the longest days of the year, with an average of 14h and 42min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
July and August are months with the least rain when the rain falls for 3.8 days and typically aggregates up to 6mm (0.24") of rain.
The months with the most sunshine are July and August, with an average of 12h of sunshine.
August is the month when Ermioni's temperatures reach their peak, with averages of 29.7°C (85.5°F) and lows of 24.2°C (75.6°F).
With an average relative humidity of 56%, August is the least humid month.
August is the month with the warmest seawater, with an average sea temperature of 26.5°C (79.7°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.
The month with the most rainfall is December, when the rain falls for 10.5 days and typically aggregates up to 36mm (1.42") of precipitation.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Ermioni, Greece
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (12.6°C).
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure
Ermioni, Greece
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1013.2mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1014.4mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1017.6mbar - 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 (1011.3mbar).
Average wind speed
Ermioni, Greece
- Average wind speed in January:
14.6km/h - Average wind speed in February:
14.5km/h - Average wind speed in March:
13.4km/h - Average wind speed in April:
12.3km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
11.5km/h
- Average wind speed in July:
12.2km/h - Average wind speed in August:
14km/h - Average wind speed in September:
12km/h - Average wind speed in October:
12.5km/h - Average wind speed in November:
13km/h - Average wind speed in December:
13.8km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).
Average humidity
Ermioni, Greece
The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall
Ermioni, Greece
The wettest month (with the highest rainfall) is December (36mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days
Ermioni, Greece
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.3 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is January (10.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall
Ermioni, Greece
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Ermioni, Greece
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 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 (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Ermioni, Greece
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight / Average sunshine
Ermioni, 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 24min - 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:
6h and 6min - Average sunshine in February:
7h and 18min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 18min - Average sunshine in May:
11h and 36min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
9h and 48min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 12min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days
Ermioni, Greece
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
20.4 days - Average sunshine days in April:
20 days - Average sunshine days in May:
21.1 days - Average sunshine days in June:
20.3 days
- Average sunshine days in July:
27 days - Average sunshine days in August:
25.8 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is January (16.5 days).
Average UV index
Ermioni, Greece
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Ermioni, Greece
The months with the most cloud cover are January and February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Ermioni, 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).
