Climate and monthly weather forecastIoannina, Greece
Climate and monthly weather forecast
The climate of Ioannina
Situated in Northern Greece, the city of Ioannina basks in a Mediterranean climate, defined in the Köppen climate classification as Csa. This essentially implies hot summers and mild winters, a characteristic reflection of Mediterranean climatic conditions.Throughout the year, Ioannina experiences significant weather variations. Temperature swings are noticeable, peaking at 29.4°C (84.9°F) in August, then dipping to a chilly -0.8°C (30.6°F) in January. While daytime temperatures from June to September can escalate to the mid 20s°C and higher, they descend sharply from November to March, hovering around 8.5°C (47.3°F) to 13.4°C (56.1°F).
Rainfall patterns echo the climate's seasonal rhythm with maximum precipitation recorded in November and December at 133mm (5.24") and 110mm (4.33") respectively, and minimum rainfall registered in August at 38mm (1.5"). Similarly, fluctuations in relative humidity are observed, with highest concentrations detected in December and January, both registering 80%.
Interestingly, the city receives modest snowfall mostly in January and February with 63mm (2.48") and 51mm (2.01") respectively but remains devoid of any snow during May to November. The sunshine duration per month also ranges from as high as 11.8 hours in July to as low as 5.2 hours in December.
The best time to visit Ioannina
Given its climate, the most ideal time to visit Ioannina would be in May and June. The weather during these months is the epitome of springtime bliss. The city enjoys a daytime temperature range of 19.9°C (67.8°F) to 24.5°C (76.1°F), inviting walking tours and outdoor activities. Rainfall is relatively moderate, averaging between 82mm (3.23") in May to 85mm (3.35") in June, and the city witnesses about 14.4 hours of daylight, providing ample time for sightseeing.The worst time to visit Ioannina
Weather-wise, the city might be less inviting during January. Despite 9.7 hours of daylight and 5.2 hours of sunshine, the minimum temperature drops to as low as -0.8°C (30.6°F) which, coupled with high relative humidity of 83% and significant snowfall, might deter from outdoor explorations.Spring weather in Ioannina
Ioannina transitions into spring from March to May with significant changes in weather parameters. While March starts with fairly cold temperatures and high rainfall, the conditions improve over the course of the season. Temperatures gradually escalate from 11.3°C (52.3°F) in March to 19.9°C (67.8°F) in May, and rainfall reduces from 85mm (3.35") to 82mm (3.23"). The hours of sunshine per day also increase, promising longer daylight hours for visitors.Summer weather in Ioannina
Summers in Ioannina are typically hot and dry. From June to August, temperatures steadily rise and peak at 29.4°C (84.9°F). The rainfall decreases steadily throughout the summer months, from 85mm (3.35") in June to a mere 38mm (1.5") in August. However, the relative humidity also decreases, dropping to as low as 55%. This combination of high temperatures and low rainfall represents the classic Mediterranean summer.Autumn weather in Ioannina
Autumn in Ioannina, stretching from September through November, is characterized by a gradual cooling of temperatures and an increase in rainfall. September sees a high of 23.6°C (74.5°F) which eventually drops to 13.4°C (56.1°F) in November. Rainfall during this period increases significantly from 63mm (2.48") in September to 133mm (5.24") in November.Winter weather in Ioannina
Winters in Ioannina, from December to February, present the coldest months of the year. Temperatures dwindle from 8.5°C (47.3°F) in December to a minimum average of -0.8°C (30.6°F) in January, making it the coldest month. Precipitation is relatively high in these months with a peak at 133mm (5.24") in December. The city receives the majority of its annual snowfall during these months, with January registering the highest snowfall of 63mm (2.48").Weather in January
January in Ioannina, Greece, ushers in the year with a chilling embrace. The city experiences low temperatures, which frequently culminate in snowfall. The monthly precipitation of 112mm (4.41"), combined with 63mm (2.48") of snowfall, diverts from the drier terrain seen in the later months to a wintry landscape. Weather in January »Weather in February
As February enters, Ioannina shifts toward slightly warmer weather, contrasting with the piercingly cold January days. The snowfall decreases, allowing for more readily navigable urban and surrounding natural terrains. The highest temperature peaks at 7.9°C (46.2°F), infusing a subtle warmth into the afternoon air. Weather in February »Weather in March
March marks a further move toward warmer days in Ioannina. It's a turning point when the frosty winter air begins to loosen its reins, allowing the gentle spring to reveal itself. The mercury continues to climb, with temperatures reaching 11.3°C (52.3°F) on average, and snowfall virtually disappearing. Weather in March »Weather in April
In April, Ioannina embraces the full bloom of spring. Weather patterns transition significantly from the chill of the preceding months toward warmer, longer days. Temperatures rise significantly, with highs reaching 15.8°C (60.4°F), illuminating the city with a vibrant spring glow. Weather in April »Weather in May
May in Ioannina signifies the advent of warmer temperatures, hinting at the onset of summer. It provides a pleasant marriage between spring's freshness and summer's heat. The city sees the mercury pushing towards an average high of 19.9°C (67.8°F), marking the start of traditional Greek summer. Weather in May »Weather in June
June in Ioannina catapults the city into the summer season, with an escalation in temperature. The climate becomes visibly drier, allowing for increased outdoor activities and exploration under clearer skies. With a soaring average high temperature of 24.5°C (76.1°F), the city is undeniably within summer's grip. Weather in June »Weather in July
July is a month of abundant sunshine in Ioannina, providing ample opportunities for outdoor adventure and relaxation. It's a time when green landscapes bask under the Greek sunlight, exhibiting the city's exquisite natural beauty. Weather in July »Weather in August
August in Ioannina brings with it an air of charm, further amplifying the scorching summer warmth. The sunlight captures the city's architectural beauty immaculately, presenting the historic town in its full glory. The heat escalates to its highest of the year with an average high temperature of 29.4°C (84.9°F). Weather in August »Weather in September
Ioannina in September witnesses a gradual transition from the high summer heat to the mild autumn season. The city begins to cool down, providing pleasant mornings and relatively cooler nights. The temperature falls to an average high of 23.6°C (74.5°F), bringing back the soft autumnal breeze. Weather in September »Weather in October
October in Ioannina officially welcomes the autumn season, with a visible retreat of the intense summer heat. The town adopts a rustic charm, with the leaf-strewn pathways symbolic of changing seasons. The average high temperature drops to a comfortable 18.5°C (65.3°F), ushering in a sense of calm. Weather in October »Weather in November
November carries a distinct autumn fragrance in Ioannina. A boundless charisma blankets the city as it gears up for the impending winter. The temperatures drop further, reaching an average high of 13.4°C (56.1°F), bringing a chilly ambience around. Weather in November »Weather in December
As December arrives in Ioannina, winter knocks at the door. The city experiences colder climate conditions, with an average high temperature of 8.5°C (47.3°F). The once sunlit streets are now more frequently veiled under snowfall, reaching up to 31mm (1.22"). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Ioannina, Greece
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (6.6°C).
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure
Ioannina, Greece
- Average pressure in January:
1017mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1015mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1013.6mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1012.4mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1015.3mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1017.4mbar - Average pressure in December:
1018.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed
Ioannina, Greece
- Average wind speed in January:
8.3km/h - Average wind speed in February:
8.8km/h - Average wind speed in March:
8.2km/h - Average wind speed in April:
7.4km/h - Average wind speed in May:
7km/h - Average wind speed in June:
6.3km/h
- Average wind speed in July:
6.1km/h - Average wind speed in August:
5.9km/h - Average wind speed in September:
6.4km/h - Average wind speed in October:
6.9km/h - Average wind speed in November:
7.6km/h - Average wind speed in December:
7.6km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity
Ioannina, Greece
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Ioannina, Greece
The wettest month (with the highest rainfall) is November (133mm).
The driest month (with the least rainfall) is August (38mm).
Average rainfall days
Ioannina, Greece
- Average rainfall days in January:
16.4 days - Average rainfall days in February:
14.9 days - Average rainfall days in March:
18.1 days - Average rainfall days in April:
19.7 days - Average rainfall days in May:
20.7 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
14.4 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is August (11.8 days).
Average snowfall
Ioannina, Greece
The month with the highest snowfall is January (63mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Ioannina, Greece
- Average snowfall days in January:
2.9 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
0.7 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Ioannina, Greece
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 12min - Average sunshine in April:
8h and 48min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
7h and 18min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Ioannina, Greece
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
7.3 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
13 days - Average sunshine days in October:
15 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is May (7.3 days).
Average UV index
Ioannina, Greece
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Ioannina, Greece
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Ioannina, Greece
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (8km).





