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This page shows both the average monthly rainfall and the number of rainy days in Ios Chora, Cyclades, Greece. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.
Ios Chora has a relatively dry climate with low precipitation, averaging 381 mm (15 in) of rainfall annually. It experiences a distinct dry season during certain months. Refer to our detailed charts below to see the seasonal variation.
Ios Chora can be quite wet during January, receiving approximately 79 mm (3.1 in) of precipitation over 11 rainy days.
In contrast July, experiences much drier conditions, with 0.3 mm (0.01 in) of rainfall, spread across a single rainy day.
January, the wettest month, has a maximum daytime temperature of 15°C (59°F). During the driest month July you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Ios Chora Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Ios Chora spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Greece. You can also select the different months in case you are interested in a specific month.
Ios Chora's average annual precipitation is 381 mm (15 in). Let's compare this to some popular worldwide tourist destinations:
In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
The proximity of a location to a large body of water can significantly affect its rainfall patterns:
For more detailed information about Ios Chora's weather, including sunshine hours, humidity levels, and temperature data, visit our Ios Chora Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Ios Chora - and find the best time to visit.
Temperature Rainfall Humidity
See the full Ios Chora climate overview or explore weather in Greece.
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