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Contents
- The best time to visit Isthmia
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The best time to visit Isthmia
The best months for a swim in Isthmia, 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 Isthmia, Greece, is another fresh winter month, with an average temperature varying between 4.1°C (39.4°F) and 10.6°C (51.1°F). With average temperatures fluctuating between a high of 10.6°C (51.1°F) and a low of 4.1°C (39.4°F), January stands out as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Isthmia, is also a fresh month, with an average temperature fluctuating between 4.9°C (40.8°F) and 11.9°C (53.4°F). Isthmia experiences a recorded average high-temperature of a still fresh 11.9°C (53.4°F) in February, closely aligned with January's 10.6°C (51.1°F). Weather in February »
Weather in March
March, the first month of the spring in Isthmia, is a moderate month, with an average temperature varying between 14.8°C (58.6°F) and 6.4°C (43.5°F). The start of March marks an average high-temperature of a moderate 14.8°C (58.6°F), hardly distinguishable from the conditions in February. Weather in March »
Weather in April
April is an enjoyable spring month in Isthmia, Greece, with an average temperature varying between 18.5°C (65.3°F) and 9°C (48.2°F). As April sets, the average high-temperature shows a slight increase, moving up from a moderate 14.8°C (58.6°F) in March to a comfortable 18.5°C (65.3°F). Weather in April »
Weather in May
May, the last month of the spring in Isthmia, is a moderately hot month, with an average temperature ranging between min 13.1°C (55.6°F) and max 23.4°C (74.1°F). Isthmia in May denotes a subtle temperature transition, adjusting from an average high of a refreshing 18.5°C (65.3°F) in April to a moderately hot 23.4°C (74.1°F). Weather in May »
Weather in June
June, the first month of the summer in Isthmia, is also a moderately hot month, with an average temperature ranging between max 27.4°C (81.3°F) and min 17.2°C (63°F). The start of June signals a slight increase in the average high-temperature, moving from 23.4°C (74.1°F) in May to a still warm 27.4°C (81.3°F). Weather in June »
Weather in July
July is a hot summer month in Isthmia, Greece, with an average temperature varying between 20.1°C (68.2°F) and 30.7°C (87.3°F). The ideal sea water temperature of 25.8°C (78.4°F) and only 5.8 rainfall days, with 14mm (0.55") 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 also a hot month in Isthmia, Greece, with an average temperature fluctuating between 30.4°C (86.7°F) and 20.4°C (68.7°F). The perfect water temperature of 26.3°C (79.3°F) with 9mm (0.35") of accumulated rainfall and only 5 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 Isthmia, Greece, with an average temperature varying between 26.3°C (79.3°F) and 17.5°C (63.5°F). A subtle shift in Isthmia's weather is observed as August turns into September, with the average high temperature reducing from a hot 30.4°C (86.7°F) to a warm 26.3°C (79.3°F). Weather in September »
Weather in October
October, the same as September, in Isthmia, Greece, is another pleasant autumn month, with an average temperature fluctuating between 21.2°C (70.2°F) and 13.7°C (56.7°F). Onset of October witnesses a reduction in the average high-temperature, falling from a warm 26.3°C (79.3°F) in September to an agreeable 21.2°C (70.2°F). Weather in October »
Weather in November
November, the last month of the autumn in Isthmia, is also an enjoyable month, with an average temperature ranging between min 10°C (50°F) and max 17°C (62.6°F). November ushers in a minute temperature change, with average high-temperatures reducing from October's agreeable 21.2°C (70.2°F) to a comfortable 17°C (62.6°F). Weather in November »
Weather in December
December, the first month of the winter in Isthmia, is still a cool month, with an average temperature fluctuating between 12.4°C (54.3°F) and 5.9°C (42.6°F). The shift from November to December coincides with a small decrease in the average high-temperature, down to a cool 12.4°C (54.3°F) from a refreshing 17°C (62.6°F). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Isthmia?
Isthmia, Greece, experiences its lowest temperatures in January, with an average peak of 10.6°C (51.1°F) and a low of 4.1°C (39.4°F).
What is the most humid month in Isthmia?
The most humid month is January, with an average relative humidity of 79%.
How much does it rain in Isthmia?
Throughout the year, in Isthmia, Greece, there are 121.1 rainfall days, and 396mm (15.59") of precipitation is accumulated.
When does it snow in Isthmia?
January through March and December are months with snowfall in Isthmia.
How much does it snow in Isthmia?
In Isthmia, Greece, during the entire year, snow falls for 2.8 days and aggregates up to 48mm (1.89") of snow.
What is the month with the least sunshine in Isthmia?
January has the least sunshine of the year in Isthmia, Greece, with an average of 5.9h of sunshine.
What is the month with the lowest UV index in Isthmia?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What month is the sea coldest in Isthmia?
With an average sea temperature of 15.3°C (59.5°F), February is the month with the coldest seawater in Isthmia.
What is the wettest month in Isthmia?
The month with the most rainfall is March, when the rain falls for 13.2 days and typically aggregates up to 53mm (2.09") of precipitation.
When it does not snow in Isthmia?
April through November are months without snowfall.
When are the longest days in Isthmia?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the hottest time of year in Isthmia?
Isthmia's warmest temperatures are experienced in July, with average high temperatures of 30.7°C (87.3°F) and lows of 20.1°C (68.2°F).
What are the months with the most sunshine in Isthmia?
July and August, with an average of 11.9h of sunshine, are months with the most sunshine.
When is the highest UV index in Isthmia?
With an average maximum UV index of 7, July is the month with the highest UV index in Isthmia, Greece.
What is the least humid month in Isthmia?
With an average relative humidity of 50%, August is the least humid month.
What is the driest month in Isthmia?
August is the month with the least rainfall. Rain falls for 5 days and accumulates 9mm (0.35") of precipitation.
What month is the sea warmest in Isthmia?
With an average sea temperature of 26.3°C (79.3°F), August is the month with the warmest seawater.
When is Daylight Saving Time (DST) in Isthmia?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Isthmia, Greece, 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.
When does it snow the most in Isthmia?
The month with the most snowfall in Isthmia, Greece, is December, when snow falls for 0.4 days and typically aggregates up to 15mm (0.59") of snow.
What is the month with the shortest days in Isthmia?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Isthmia, Greece
The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (10.6°C).
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure
Isthmia, Greece
- Average pressure in January:
1016.9mbar - Average pressure in February:
1015.5mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1013.3mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1011.6mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1014.7mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1017.6mbar - Average pressure in December:
1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed
Isthmia, Greece
- Average wind speed in January:
8.5km/h - Average wind speed in February:
8.7km/h - Average wind speed in March:
8.8km/h - Average wind speed in April:
8.5km/h - Average wind speed in May:
7.9km/h - Average wind speed in June:
8km/h
- Average wind speed in July:
8.5km/h - Average wind speed in August:
9.5km/h - Average wind speed in September:
7.9km/h - Average wind speed in October:
7.7km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
8.2km/h
The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7.6km/h).
Average humidity
Isthmia, Greece
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (50%).
Average rainfall
Isthmia, Greece
The wettest month (with the highest rainfall) is March (53mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days
Isthmia, Greece
- Average rainfall days in January:
13 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
5 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is February (13.3 days).
The month with the least rainy days is August (5 days).
Average snowfall
Isthmia, Greece
The month with the highest snowfall is December (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Isthmia, Greece
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.2 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:
0.4 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Isthmia, 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 (15.3°C).
Average daylight / Average sunshine
Isthmia, Greece
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 5min - Average sunshine in February:
7h and 1min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
9h and 3min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days
Isthmia, Greece
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
19.1 days
- Average sunshine days in July:
24.7 days - Average sunshine days in August:
24.6 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (13.8 days).
Average UV index
Isthmia, Greece
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Isthmia, Greece
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility
Isthmia, Greece
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Isthmia, Greece
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