Climate and monthly weather forecast
Ioannina, Greece

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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 »
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Frequently asked questions

What month is the coldest in Ioannina?

January is Ioannina's coldest month, registering average high temperatures of 6.6°C (43.9°F) and lows of -0.8°C (30.6°F).

What is the most humid month in Ioannina?

January is the most humid month in Ioannina, Greece, with an average relative humidity of 83%.

How many days does it rain in Ioannina?

In Ioannina, during the entire year, the rain falls for 189.3 days and collects up to 993mm (39.09") of precipitation.

When does it snow in Ioannina?

January through April, November and December are months with snowfall in Ioannina.

When does it snow the most in Ioannina?

January is the month with the most snowfall in Ioannina, Greece. Snow falls for 2.9 days and accumulates 63mm (2.48") of snow.

How many days does it snow in Ioannina?

Throughout the year, there are 8.9 snowfall days, and 153mm (6.02") of snow is accumulated.

What is the month with the least sunshine in Ioannina?

The month with the least sunshine in Ioannina is January, with an average of 5.2h of sunshine.

What is the month with the lowest UV index in Ioannina?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ioannina.

When it does not snow in Ioannina?

In Ioannina, snow does not fall in May through October.

When are the longest days in Ioannina?

With an average of 14h and 54min of daylight, June has the longest days of the year in Ioannina, Greece.

What month has the most sunshine in Ioannina?

July has the most sunshine of the year, with an average of 11.8h of sunshine.

When is the highest UV index in Ioannina?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What time of the year is the hottest in Ioannina?

The highest temperatures in Ioannina, Greece, are recorded in August, with averages reaching a high of 29.4°C (84.9°F) and a low of 16.1°C (61°F).

What is the least humid month in Ioannina?

The least humid month is August, with an average relative humidity of 55%.

What is the driest month in Ioannina?

The month with the least rainfall is August, when the rain falls for 11.8 days and typically collects 38mm (1.5") of precipitation.

When is Daylight Saving Time (DST) in Ioannina?

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Ioannina, 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 rainiest month in Ioannina?

The month with the most rainfall is November, when the rain falls for 14.4 days and typically aggregates up to 133mm (5.24") of precipitation.

What is the month with the shortest days in Ioannina?

December has the shortest days of the year in Ioannina, Greece, with an average of 9h and 24min of daylight.

Average temperature
Ioannina, Greece

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).

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Average pressure
Ioannina, Greece

Average pressure - Ioannina, Greece

The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).

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Average wind speed
Ioannina, Greece

Average wind speed - Ioannina, Greece

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).

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Average humidity
Ioannina, Greece

Average humidity - Ioannina, Greece

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (55%).

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Average rainfall
Ioannina, Greece

Average rainfall - Ioannina, Greece

The wettest month (with the highest rainfall) is November (133mm).
The driest month (with the least rainfall) is August (38mm).

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Average rainfall days
Ioannina, Greece

Average rainfall days - Ioannina, Greece

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).

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Average snowfall
Ioannina, Greece

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).

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Average snowfall days
Ioannina, Greece

Average snowfall days - Ioannina, Greece

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).

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Average daylight / Average sunshine
Ioannina, Greece

Average daylight / Average sunshine - Ioannina, Greece

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).

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).

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Average sunshine days
Ioannina, Greece

Average sunshine days - Ioannina, Greece

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is May (7.3 days).

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Average UV index
Ioannina, Greece

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).

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Average visibility
Ioannina, Greece

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).

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Ioannina, Greece

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