December Weather in Ioannina, Greece

Last updated: August 21, 2025

In December, Ioannina, Greece experiences a captivating winter climate characterized by a maximum temperature of 15°C (59°F) and an average of 5°C (41°F), dipping as low as a minimum of -6°C (21°F). This month is marked by significant precipitation, totaling 235 mm (9.3 in) over approximately 14 rainy days, contributing to a high humidity level of 83%. The combination of cool temperatures and abundant rainfall creates a moody atmosphere, making Ioannina a unique destination for those who appreciate the serene beauty of winter landscapes.

December Temperature in Ioannina

December in Ioannina, Greece embraces the onset of winter, where temperatures begin to dip significantly. The minimum temperature hovers around -6°C (21°F), setting the stage for a chilly atmosphere. As the month progresses, the average temperature remains at a crisp 5°C (41°F), offering a cozy chill that's perfect for enjoying warm beverages by the fire. On the brighter side, the maximum temperature reaches a mild 15°C (59°F), providing a few pleasant afternoons amid the colder nights. Compared to previous months, December marks a noticeable drop in temperature, ushering in a wintery charm that transforms the city into a picturesque wonderland, ideal for seasonal exploration and festivities.

December Weather in Ioannina: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ioannina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ioannina, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec364145515966737365564941
Data source: Temperature data for Ioannina generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Ioannina

In December, Ioannina experiences a dramatic increase in precipitation, with 235 mm (9.3 in) of rainfall spread across 14 days. This marks the month as one of the wettest of the year, outpacing even the typically rainy months of November and January. As winter sets in, the steady downpours contribute to the region's lush landscapes, while the longer duration of rainy days suggests a pattern of consistent, although not overly intense, rainfall. The sharp contrast between December's precipitation and the significantly drier summer months underscores Ioannina's Mediterranean climate, where rain is a vital component for the flourishing flora and overall ecosystem health during the colder months.

December Precipitation Trends in Ioannina

The chart displays monthly precipitation patterns in Ioannina, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ioannina, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15914812778896337214590181236
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ioannina

In Ioannina, Greece, December sees a humidity level of 83%, marking a slight increase from the prior month. As the year winds down, humidity levels begin to rise again after reaching a low of 47% in August. This resurgence hints at the region's transition into the colder months, where moisture in the air becomes more prominent. Overall, the trend reveals a gradual decline in humidity from early summer through late fall, before it starts climbing back up as winter approaches. With January's figures peaking at 84%, residents of Ioannina can expect a damp and brisk end to the year, reminiscent of the rich, atmospheric character typical of the region’s winter climate.

December Average Humidity in Ioannina

This chart illustrates the average monthly humidity levels in Ioannina, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ioannina is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ioannina

In Ioannina, Greece, the UV Index sees a notable trend throughout the year, reflecting the changing seasons and sun exposure. Starting with a moderate UV Index of 3 in January and December, residents and visitors enjoy more relaxed sun safety measures, allowing for 30 minutes of exposure without immediate risk of sunburn. As spring arrives, the index rises, peaking at a significant 11 in June, marking an extreme exposure level where just 10 minutes in the sun can lead to burns. The summer months maintain high levels, with values fluctuating from 10 in July and August to 8 in September. With autumn, there's a gradual decline, landing back at the moderate levels before the year ends. This seasonal progression reminds all of the importance of adjusting sun protection strategies accordingly. For further details, check the complete Ioannina UV Index.

Maximum UV Index Levels in Ioannina for December

The chart shows the monthly maximum UV Index (UVI) for Ioannina in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Ioannina typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108643
Data source: Ioannina December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Ioannina

In Ioannina, Greece, December offers a gentle transition into winter, with 224 hours of sunshine illuminating the month. While this is notably lower than the 403 hours enjoyed in June, the trend of gradually decreasing sunlight from summer to winter is evident throughout the year. December’s sunlight reflects the quieter, cozy ambiance of the city as the days grow shorter. As the year wanes, the sun retreats, paving the way for the spring bloom that follows, where residents will once again bask in the warmth of 395 hours in May. Thus, while December might see the sun shy away, it sets the stage for a vibrant resurgence in the coming months.

Monthly Sunshine Duration in Ioannina: December Highlighted

The December sunshine duration represents the total number of hours Ioannina experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec193h245h319h340h395h403h425h396h345h305h248h224h
Data source: Ioannina December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ioannina During December

December in Ioannina, Greece, sees a modest 38% chance of sunny weather, marking a dip from the sunnier months that follow summer. As the year transitions from the bright, sun-drenched days of June and July, where probabilities soar to a striking 68% and 87% respectively, December's likelihood reveals the encroachment of winter's chill. This month offers a distinct shift, as the chances of sunshine are more akin to late autumn than early spring, trailing behind November's 27% and significantly lower than the blooming brightness of May with 56%. Overall, while December does present opportunities for clear skies, it also underscores a seasonal trend leaning towards increased cloud coverage as the year winds down.

Percentage of Sunny Days in December in Ioannina

The chart illustrates the percentage of sunny days in Ioannina throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ioannina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%49%48%44%56%68%87%85%62%46%27%38%
Data source: Ioannina December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ioannina in December

As December rolls into Ioannina, Greece, daylight reaches a modest 9 hours, mirroring the earlier months of November and January. This time of year marks the end of a gradual increase in daylight that began in the depths of winter, peaking around the vibrant months of April to June when the sun graces the city with up to 14 hours of daylight. As autumn transitions into winter, the diminishing hours of sunlight are palpable, signaling a slower pace of life and inviting residents to revel in the cozy embrace of shorter days. This cyclical dance of daylight resonates throughout the year, offering a rich tapestry of brightness and shadow that enhances the charm of Ioannina in every season.

Average Daylight Hours in Ioannina for December

The chart illustrates the variation in daylight duration in Ioannina throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 41m10h 41m11h 57m13h 16m14h 22m14h 55m14h 38m13h 39m12h 24m11h 6m9h 58m9h 23m
Data source: Ioannina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ioannina

In December, the average wind speed in Ioannina settles at 1.7 m/s (4 mph), reflecting a slight dip from the more blustery conditions seen in the preceding months of October and November, both registering at 1.9 m/s. This gentle breeze, consistent through the winter months, aligns closely with the wind patterns of previous months, where speeds lingered around the 1.7 to 1.8 m/s mark from January through May. Notably, the winds in Ioannina tend to remain moderate year-round, creating a serene atmosphere that complements the region's picturesque winter scenery, making it an inviting destination for those who appreciate calm and tranquility.

Average December Wind Speed in Ioannina

The chart displays monthly wind speed patterns in Ioannina, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.81.71.81.81.61.71.71.61.91.91.7 m/s
Data source: Ioannina December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ioannina Compares to Other Months

Weather in Ioannina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ioannina, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather is relatively milder compared to January, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (59°F) and an average of 5°C (41°F). The month sees significant precipitation, totaling 235 mm (9.3 in) over 14 days, while humidity hovers around 83%. In contrast, January experiences harsher conditions, with a minimum temperature dropping to -20°C (-3°F) and an average of 2°C (36°F), peaking at 16°C (60°F). Precipitation decreases to 159 mm (6.2 in) over 12 days, and humidity remains slightly higher at 84%. For more detailed information, check out Ioannina weather in January.

In December, the weather is characterized by a milder average temperature of 5°C (41°F), with maximums reaching up to 15°C (59°F) and minimums dropping to -6°C (21°F). This month experiences significant precipitation, totaling 235 mm (9.3 in) across about 14 days, contributing to a higher humidity level of 83%. In contrast, February sees colder temperatures, with lows of -15°C (5°F) and an increased maximum of 18°C (65°F), but it has less precipitation, totaling 148 mm (5.8 in) over 10 days, and lower humidity at 78%. For a more detailed understanding of February's climate, you can check Ioannina weather in February.

December and March display contrasting weather patterns as winter transitions to spring. In December, temperatures range from a chilly -6°C (21°F) at night to a mild 15°C (59°F) during the day, with an average of 5°C (41°F). This month is also characterized by high humidity at 83% and significant precipitation, totaling 235 mm (9.3 in) over 14 days. In comparison, March experiences a broader temperature range, with nighttime lows plunging to -11°C (12°F) and daytime highs reaching up to 22°C (71°F), averaging 7°C (45°F). Precipitation decreases to 127 mm (5.0 in) over 12 days, and humidity levels drop to 75%. For more detailed information on the weather in March, check Ioannina weather in March.

December and April present contrasting weather conditions. In December, temperatures range from a chilly -6°C (21°F) at night to a relatively mild 15°C (59°F) during the day, averaging around 5°C (41°F). This month is characterized by higher humidity at 83% and significant precipitation of 235 mm (9.3 in) over 14 days. In contrast, April offers a pleasant shift, with temperatures ranging from -3°C (26°F) at night to a warm 26°C (78°F) during the day, averaging 11°C (52°F). Precipitation decreases dramatically to 78 mm (3.1 in) over just 11 days, and humidity drops to 70%. To learn more about the specifics of April weather, check out Ioannina weather in April.

The weather in December contrasts significantly with that in May. In December, temperatures can drop as low as -6°C (21°F) and rarely exceed 15°C (59°F), with an average temperature of around 5°C (41°F). This month also experiences considerable precipitation, totaling 235 mm (9.3 in) over 14 days, coupled with a high humidity level of 83%. On the other hand, May brings milder conditions with minimum temperatures of 2°C (36°F) and maximums reaching up to 32°C (89°F), averaging at 15°C (59°F). The precipitation decreases to 89 mm (3.5 in) over 12 days, and humidity also drops to 72%. For more insights into the pleasant weather, check out Ioannina weather in May.

December and June exhibit striking differences in weather patterns. In December, temperatures range from a chilly -6°C (21°F) to a mild maximum of 15°C (59°F), with an average of 5°C (41°F). The month is relatively wet, receiving 235 mm (9.3 in) of precipitation over approximately 14 days, accompanied by high humidity at 83%. In contrast, June showcases a warmer climate, with temperatures shifting from a minimum of 5°C (42°F) up to a high of 35°C (95°F), averaging around 19°C (67°F). Precipitation is significantly lower at 63 mm (2.5 in), occurring over 10 days, while humidity decreases to 60%. For a closer look at the conditions during this vibrant summer month, check out Ioannina weather in June.

December and July present strikingly different weather conditions. In December, temperatures average around 5°C (41°F), with a minimum of -6°C (21°F) and a maximum of 15°C (59°F). The month is characterized by significant precipitation, totaling 235 mm (9.3 in) over 14 days, accompanied by a high humidity level of 83%. In contrast, July boasts much warmer temperatures, with an average of 23°C (73°F), ranging from a minimum of 10°C (50°F) to a maximum of 36°C (98°F). Additionally, July experiences far less precipitation, accumulating only 37 mm (1.5 in) over just 5 days and lower humidity at 56%. For more specific insights on July weather, you can check Ioannina weather in July.

December and August present strikingly contrasting weather conditions. In December, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 15°C (59°F), with an average of 5°C (41°F). The month is quite damp, experiencing 235 mm (9.3 in) of precipitation over approximately 14 days, coupled with high humidity levels of 83%. In stark contrast, August boasts a more pleasant climate, with temperatures varying from a minimum of 12°C (53°F) to a scorching maximum of 37°C (99°F), averaging around 23°C (74°F). Rainfall is minimal during this month, with just 21 mm (0.8 in) over 3 days and a much lower humidity of 47%. For more details on the August weather, you can check out Ioannina weather in August.

December and September present stark contrasts in weather. In December, temperatures range from a chilly -6°C (21°F) to a mild 15°C (59°F), with an average of 5°C (41°F). The month is characterized by significant precipitation, totaling 235 mm (9.3 in) over 14 days, and high humidity at 83%. In contrast, September enjoys much warmer weather, with minimum temperatures at 5°C (41°F) and maximums soaring to 34°C (93°F), averaging 19°C (66°F). Precipitation is considerably lighter in September, totaling only 45 mm (1.8 in) over 5 days, accompanied by a more comfortable humidity level of 56%. For a closer look at September weather specifics, check out Ioannina weather in September.

In December, temperatures in Ioannina drop significantly with a minimum of -6°C (21°F) and an average of 5°C (41°F), compared to October's milder temperatures that range from a minimum of 0°C (33°F) to an average of 13°C (56°F). The maximum temperature in December peaks at 15°C (59°F), whereas in October, it can reach as high as 26°C (80°F). Precipitation levels also vary greatly; December sees 235 mm (9.3 in) of rain over 14 days, whereas October experiences only 90 mm (3.5 in) of rain across 8 days. Additionally, December's humidity is higher at 83%, compared to October's 70%. For a more detailed look at October's weather, you can visit Ioannina weather in October.

In comparing the weather between November and December, it's clear that December tends to be colder and wetter. While November experiences milder temperatures with an average high of 24°C (75°F) and a low of -4°C (25°F), December sees an average high of only 15°C (59°F) and a low of -6°C (21°F). Furthermore, precipitation increases in December, with 235 mm (9.3 in) over 14 days, compared to November's 181 mm (7.1 in) over 11 days. Humidity levels are slightly higher in December at 83%, compared to 80% in November. For a detailed look at November's weather, you can visit Ioannina weather in November.

Compare Ioannina's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ioannina

December in Ioannina brings a distinct chill that sets it apart from other months, with temperatures dipping to an average of 5°C and even plummeting to -6°C at times. This month also welcomes increased precipitation, with 235 mm of rain falling over approximately half the month, leading to a notably humid atmosphere at 83%. The combination of cool temperatures and significant rainfall creates a unique winter ambiance, making it a great time for warm comforts and cozy gatherings. For a deeper understanding of the annual patterns, check out Ioannina Climate.