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Contents
- 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 sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Ios, Greece, with an average temperature fluctuating between 12.9°C (55.2°F) and 14.7°C (58.5°F). With its high average temperature of 14.7°C (58.5°F) and a low of 12.9°C (55.2°F), January is regarded as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Ios, is also a moderate month, with an average temperature fluctuating between 14.8°C (58.6°F) and 13.3°C (55.9°F). The transition into February shows a subtle variation to a still mild 14.8°C (58.6°F) from January's 14.7°C (58.5°F) in the average high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Ios, is still a mild month, with temperature in the range of an average high of 15.6°C (60.1°F) and an average low of 14.2°C (57.6°F). The weather during March records an average high-temperature of a still refreshing 15.6°C (60.1°F), closely mirroring the preceding month. Weather in March »
Weather in April
April is a refreshing spring month in Ios, Greece, with an average temperature ranging between max 17.2°C (63°F) and min 15.7°C (60.3°F). As March transitions into April, Ios records an average high-temperature of a comfortable 17.2°C (63°F), showing a gentle shift from the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Ios, is an agreeable month, with an average temperature fluctuating between 19.2°C (66.6°F) and 20.3°C (68.5°F). As Ios welcomes May, the average high-temperature sees a modest rise, transitioning from an enjoyable 17.2°C (63°F) in April to an agreeable 20.3°C (68.5°F). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Ios, Greece, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 23.6°C (74.5°F). The onset of June introduces a subtle rise in the average high-temperature, nudging from an agreeable 20.3°C (68.5°F) in May to a moderately hot 23.6°C (74.5°F). Weather in June »
Weather in July
July, like June, in Ios, Greece, is a moderately hot summer month, with temperature in the range of an average high of 25.6°C (78.1°F) and an average low of 24.4°C (75.9°F). During July, Ios observes a subtle ascent to a still moderately hot 25.6°C (78.1°F) from June's 23.6°C (74.5°F) in the average high-temperature. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Ios, Greece, with an average temperature fluctuating between 25.9°C (78.6°F) and 24.9°C (76.8°F). August is Ios's warmest month, registering average high temperatures of 25.9°C (78.6°F) and lows of 24.9°C (76.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Ios, is still a warm month, with an average temperature fluctuating between 24.5°C (76.1°F) and 23.3°C (73.9°F). September commences with an average high-temperature of a still moderately hot 24.5°C (76.1°F), showing little deviation from August's 25.9°C (78.6°F). Weather in September »
Weather in October
October, the same as September, in Ios, Greece, is an agreeable autumn month, with an average temperature ranging between min 20.6°C (69.1°F) and max 21.9°C (71.4°F). Ios, Greece, ushers in October with an average high-temperature of a pleasant 21.9°C (71.4°F), showing a close resemblance to the previous month. Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Ios, Greece, with an average temperature ranging between max 19.2°C (66.6°F) and min 17.9°C (64.2°F). The commencement of November brings an average high-temperature of a refreshing 19.2°C (66.6°F), marking an inconsequential divergence from October. Weather in November »
Weather in December
December, the first month of the winter in Ios, is still a refreshing month, with an average temperature ranging between max 16.4°C (61.5°F) and min 14.6°C (58.3°F). The advent of December brings an average high-temperature of a still enjoyable 16.4°C (61.5°F), exhibiting minor difference from the previous month. 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
What part of the year is the coldest in Ios?
With average high and low temperatures of 14.7°C (58.5°F) and 12.9°C (55.2°F) respectively, January is Ios's coldest month.
What are the least humid months in Ios?
The months with the lowest humidity in Ios, Greece, are January and December, with an average relative humidity of 70%.
How many days does it rain in Ios?
In Ios, Greece, during the entire year, the rain falls for 87.8 days and collects up to 221mm (8.7") of precipitation.
What is the month with the least sunshine in Ios?
The month with the least sunshine in Ios is January, with an average of 5.8h of sunshine.
What is the rainiest month in Ios?
The month with the most rainfall in Ios, Greece, is February, when the rain falls for 12.2 days and typically aggregates up to 38mm (1.5") of precipitation.
When is the sea coldest in Ios?
February and March, with an average sea temperature of 15°C (59°F), are months with the coldest seawater.
When are the longest days in Ios?
June has the longest days of the year, with an average of 14h and 36min of daylight.
What is the driest month in Ios?
July and August are months with the least rain in Ios, Greece, when the rain falls for 1.3 days and typically aggregates up to 2mm (0.08") of rain.
What are the months with the most sunshine in Ios?
July and August, with an average of 12.1h of sunshine, are months with the most sunshine in Ios.
What are the months with the highest UV index in Ios?
July and August, with an average maximum UV index of 7, are months with the highest UV index.
What is the hottest time of year in Ios?
August is the month when Ios, Greece, sees the average highest temperatures, with a high of 25.9°C (78.6°F) and a low of 24.9°C (76.8°F).
What is the most humid month in Ios?
The most humid month in Ios, Greece, is August, with an average relative humidity of 77%.
What is the month with the warmest sea water in Ios?
With an average sea temperature of 24°C (75.2°F), August is the month with the warmest seawater in Ios.
When is Daylight Saving Time (DST) in Ios?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Ios, 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.
What is the month with the shortest days in Ios?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
When is the lowest UV index in Ios?
The month with the lowest UV index is December, with an average maximum UV index of 3.
Average temperature
Ios, Greece
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).
Average pressure
Ios, Greece
- Average pressure in January:
1016.5mbar - Average pressure in February:
1015.2mbar - Average pressure in March:
1014.8mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1012.6mbar - Average pressure in June:
1010.9mbar
- Average pressure in July:
1009mbar - Average pressure in August:
1009.6mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1015.7mbar - Average pressure in November:
1017.2mbar - Average pressure in December:
1017.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed
Ios, Greece
- Average wind speed in January:
29.2km/h - Average wind speed in February:
28.5km/h - Average wind speed in March:
26.2km/h - Average wind speed in April:
22.9km/h - Average wind speed in May:
19.8km/h - Average wind speed in June:
19.9km/h
- Average wind speed in July:
23.3km/h - Average wind speed in August:
23.1km/h - Average wind speed in September:
21.9km/h - Average wind speed in October:
21.7km/h - Average wind speed in November:
22.7km/h - Average wind speed in December:
27.2km/h
The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity
Ios, Greece
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall
Ios, Greece
The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days
Ios, Greece
- Average rainfall days in January:
14.2 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
6.2 days - Average rainfall days in June:
2.9 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.4 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
7 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
13.7 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature
Ios, Greece
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight / Average sunshine
Ios, Greece
- Average daylight in January:
10h and 0min - 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 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - 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 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 3min - Average sunshine in April:
10h and 4min - Average sunshine in May:
11h and 4min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 1min - Average sunshine in September:
10h and 5min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days
Ios, Greece
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
20 days - Average sunshine days in April:
22.1 days - Average sunshine days in May:
22.9 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
29.6 days - Average sunshine days in September:
23.5 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).
Average UV index
Ios, Greece
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Ios, Greece
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility
Ios, 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).
