Climate Insights for Ioánnina

The climate in Ioánnina is temperate. The average annual temperature is 13°C and approximately 1318mm of precipitation falls per year. November is the wettest month, receiving around 248mm of rainfall. Ioánnina is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -1°C. Snowfall occurs from January to December, with around 51cm accumulating over the season.

Temperatures in Ioánnina vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 3°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Ioánnina is a fairly wet location, receiving approximately 1318mm of precipitation annually, which averages out to around 110mm per month. The wettest month is November, averaging 248mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 25mm. That's 223mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 51cm accumulating over the season. January typically sees the most snow at around 26cm.

Ioánnina is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently autumn in Ioánnina, which began on September 23, 2026. Ioánnina is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 30°C, while the coldest stretch bottoms out in January near -1°C. Winter is next, beginning on December 21, 2026 (87 days from now).

The best time to visit Ioánnina is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 44mm per month. By contrast, January can be quite cold with temperatures dropping to -1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Ioánnina based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.