The climate of Ios

The current climate in Ios features temperatures ranging from a high of 30°C to a low of 15°C throughout the year. The average yearly temperature is around 23°C. At night, temperatures in the colder months average around 10°C and in the warmer months around 24°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Ios, Greece.

Temperature records

The highest temperature recorded in Ios in recent years was 38°C in August 2021. The lowest daytime temperature recorded was 5°C in January 2015.

Rainfall amount

On average, Ios receives 328 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.

Best time to visit Ios?

The best time to go for a sun holiday to Ios is April through November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Ios. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Ios

The climate table of Ios shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Temp. max (°C)	15	15	17	20	24	28	30	30	27	23	20	17
Temp. min (°C)	10	10	11	14	17	21	24	24	22	18	15	12
Precipitation
Precipitation (mm)	75	65	29	12	6,1	6,1	0,4	2,2	4,6	12	61	54
UV Index	4	5	7	8	9	9	9	9	8	6	5	4

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Ios, Greece. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Ios

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Yearly Temperature in Ios

Precipitation charts

These charts show the average amount of precipitation in Ios, Greece. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Ios

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Total Yearly Precipitation in Ios

UV index chart

This chart shows the average UV index per month in Ios, Greece. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Ios

Weather experiences in Ios

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Average weather in Ios by month

Click on a month below to see detailed weather info for Ios. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.