December Weather in Izmir, Turkey

Last updated: August 27, 2025

December in Izmir, Turkey showcases a diverse climate, with temperatures ranging from a brisk -4°C (25°F) at night to pleasant highs of 20°C (68°F) during the day. The average temperature hovers around 9°C (49°F), making it a chilly yet comfortable month. Rainfall is notable, with a total precipitation of 125 mm (4.9 in) spread across approximately 14 days, contributing to an 85% humidity level. Visitors can expect a blend of cool weather and occasional rain, which adds a unique charm to the coastal city's winter landscape.

December Temperature in Izmir

As December settles in, Izmir, Turkey experiences a notable drop in temperatures, signaling the onset of winter. The month begins with chilly evenings, where nighttime lows can dip to -4°C (25°F), while daytime highs reach a comfortable 20°C (68°F). This transitional phase showcases an average temperature of 9°C (49°F), encouraging locals and visitors alike to bundle up for the cooler months ahead. Interestingly, December mirrors the trend seen in previous months, with temperatures steadily decreasing as the year draws to a close. As the festive spirit fills the air, the crisp weather invites a warm drink in hand while enjoying the enchanting charm of Izmir’s winter scenery.

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

The chart illustrates December temperature patterns in Izmir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izmir, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444851596875818275645649
Data source: Temperature data for Izmir generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Izmir

In December, Izmir, Turkey, experiences a notable increase in precipitation, with totals reaching 125 mm (4.9 in) over 14 rainy days. This month marks a significant uptick compared to the drier summer months, such as July and August, when rainfall was sparse, with only 5 mm and 4 mm respectively. The trend illustrates a transition into the wetter season, peaking in January with its highest precipitation of 145 mm (5.7 in). December’s rainfall not only exceeds the amounts seen in the preceding months but also signifies a return to the more typical Mediterranean winter weather patterns, setting the stage for the cooler, wetter months ahead.

December Precipitation Trends in Izmir

The chart displays monthly precipitation patterns in Izmir, 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 Izmir, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec145898958423554125979125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Izmir

December in Izmir, Turkey, ushers in a noticeable shift in humidity, rising to 85%, the highest level of the year. This increase marks a contrast to the drier summer months, particularly July and August, when humidity dipped to a low of 49%. As the year progresses, we see a gradual return to higher humidity levels starting in November at 82%, creating a moist atmosphere that persists through the winter months. The trend emphasizes a cyclical pattern, with humidity levels consistently elevated during the cooler months, making December a time when the air becomes distinctly heavy, signaling the onset of winter's embrace in this coastal city.

December Average Humidity in Izmir

This chart illustrates the average monthly humidity levels in Izmir, 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 Izmir is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%81%75%74%67%57%49%56%74%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Izmir

In December, Izmir experiences a moderate UV Index of 3, comparable to the lower winter months of January and February. This indicates a reduced risk of harm from unprotected sun exposure, with a typical burn time of 30 minutes. As the year progresses, the UV Index rises significantly from 4 in February to peak at 10 during the summer months of June, July, and August, when the risk becomes very high and burn times shorten to just 15 minutes. The gradual decline towards the end of the year highlights a trend of increasing sun intensity during the warmer months, ultimately tapering off in December. For those looking to plan their sun exposure activities, a thorough understanding of the UV Index is essential. For more details, check the Izmir UV Index.

Maximum UV Index Levels in Izmir for December

The chart shows the monthly maximum UV Index (UVI) for Izmir 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 Izmir typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347891010108643
Data source: Izmir 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 Izmir

December in Izmir, Turkey, offers a gentle transition as daylight begins to wane with 249 hours of sunshine. While this marks a dip from the sun-drenched days of summer, it still provides a pleasant backdrop for the festive season. The trend throughout the year showcases how Izmir thrives in brightness, peaking in the midsummer months with an impressive 427 hours in July. As the calendar flips from the sunny glory of June and July into the cooler months, sunshine gradually decreases, but December still maintains a warm charm that invites visitors to enjoy outdoor strolls and local festivities. This steady pattern of declining sunlight emphasizes a vibrant climate, making Izmir an attractive destination year-round.

Monthly Sunshine Duration in Izmir: December Highlighted

The December sunshine duration represents the total number of hours Izmir 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h257h327h349h402h411h427h398h349h322h272h249h
Data source: Izmir December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Izmir During December

As December rolls in, Izmir's chance of sunny weather dips to around 37%, marking a noticeable decline from the sun-drenched summer months where sunshine probabilities soared over 95%. The trend reveals a gradual transition from sparkling blue skies in July and August to more overcast and unpredictable conditions by the end of the year. Comparatively, December's sunshine likelihood is only slightly higher than the winter months of January, reflecting the seasonal shift as the city prepares for the chilly embrace of winter. While the chance of sun in December may not match the vibrancy of earlier months, it still holds the potential for pleasant days, inviting visitors to enjoy the crisp air and occasional sunny respite amidst the cooler weather.

Percentage of Sunny Days in December in Izmir

The chart illustrates the percentage of sunny days in Izmir 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 Izmir experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%54%54%49%73%81%95%98%87%77%52%37%
Data source: Izmir December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Izmir in December

As December envelops Izmir, Turkey, the city experiences a return to shorter days, with only 9 hours of daylight. This twilight phase marks the culmination of a gradual decline in daylight hours that began with 14 hours in the vibrant months of June, July, and August. As the seasons transitioned, daylight steadily waned from the 14 hours of summer into the cooler months, where daylight dipped to 11 hours by October and further to 10 hours in November. The trend highlights a consistent ebb and flow of daylight throughout the year, with winter heralding a time of longer nights and a cozy atmosphere, inviting residents and visitors alike to embrace the charm of Izmir at dusk.

Average Daylight Hours in Izmir for December

The chart illustrates the variation in daylight duration in Izmir throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 45m11h 58m13h 12m14h 15m14h 47m14h 30m13h 35m12h 23m11h 9m10h 4m9h 31m
Data source: Izmir daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Izmir

As December rolls into Izmir, Turkey, the wind dances lightly across the region, maintaining an average speed of 2.7 m/s (6 mph). This month marks a slight uptick from the calmer winds of late autumn, which hovered around 2.5 m/s. Interestingly, December's breezes mirror those of the spring months, creating a refreshing connection as the year draws to a close. Overall, wind speeds in Izmir show a gentle rhythm, with summer months boasting the highest gusts, peaking in July at 3.2 m/s, while the chill of winter ensures a more subdued but steady flow. This ebb and flow not only adds to the region's charm but also enhances the winter experience in this coastal city, inviting residents and visitors to embrace the crisp air.

Average December Wind Speed in Izmir

The chart displays monthly wind speed patterns in Izmir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.92.72.72.32.33.22.92.92.42.52.7 m/s
Data source: Izmir December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Izmir Compares to Other Months

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

In December, the weather in Izmir typically features a broader temperature range, with minimums around -4°C (25°F) and maximums reaching up to 20°C (68°F), while the average temperature sits at 9°C (49°F). The month experiences around 125 mm (4.9 in) of precipitation over approximately 14 days, contributing to a high humidity level of 85%. In contrast, January shows slightly cooler average temperatures, with a minimum of -5°C (23°F) and an average of 7°C (44°F), but it can warm up to a maximum of 21°C (69°F). Precipitation in January is slightly higher at 145 mm (5.7 in) over just 11 days, and humidity remains comparable at 84%. For detailed insights about the weather in January, you can visit Izmir weather in January.

December and February share similar temperature ranges, with both months experiencing minimums of around -4°C (25°F) and maximums reaching 20°C (68°F). However, December typically sees more rainfall, with an average precipitation of 125 mm (4.9 in) over 14 days compared to February's 89 mm (3.5 in) over just 10 days. Additionally, December's humidity is slightly higher, averaging 85% compared to February's 83%. For a detailed look at the weather conditions in February, you can visit Izmir weather in February.

In December, the weather can be quite chilly, with temperatures ranging from a low of -4°C (25°F) to a pleasant high of 20°C (68°F). The month sees an average temperature of 9°C (49°F) and is characterized by significant precipitation, amounting to about 125 mm (4.9 in) over 14 days, coupled with high humidity levels at 85%. In contrast, March brings a slight warming trend, with temperatures ranging from -3°C (27°F) to a maximum of 23°C (73°F), and an average of 11°C (51°F). Although March has slightly less precipitation, at 89 mm (3.5 in) over 11 days, it features lower humidity at 81%. For more details on March weather, you can check Izmir weather in March.

In December, temperatures in the region usually range from a chilly minimum of -4°C (25°F) to a comfortable maximum of 20°C (68°F), with an average around 9°C (49°F). The month is characterized by significant humidity at 85% and frequent precipitation, averaging 125 mm (4.9 in) over about 14 days. In contrast, April presents a more welcoming climate, with temperatures rising to an average of 15°C (59°F) and reaching highs of 30°C (87°F). The precipitation reduces to 58 mm (2.3 in) spread over just 7 days, and humidity decreases to 75%. For more details on April conditions, you can check Izmir weather in April.

In December, temperatures in Izmir can drop as low as -4°C (25°F), with an average of 9°C (49°F) and a maximum reaching only 20°C (68°F). The month is characterized by higher precipitation, averaging 125 mm (4.9 in) over 14 days, coupled with a humidity level of 85%. In contrast, May brings significantly warmer conditions, with minimum temperatures around 7°C (46°F) and an average of 20°C (69°F), peaking at a maximum of 36°C (97°F). Precipitation decreases to 42 mm (1.6 in) over just 6 days, and humidity levels drop to a more comfortable 74%. For a detailed look at what to expect, check Izmir weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of -4°C (25°F) to a moderate maximum of 20°C (68°F), with an average of 9°C (49°F). This month also sees significant precipitation, averaging 125 mm (4.9 in) over 14 rainy days and high humidity at 85%. In contrast, June offers a much warmer climate, with temperatures starting at a minimum of 12°C (53°F) and peaking at a scorching 37°C (99°F), averaging around 24°C (75°F). This month experiences significantly less rainfall, totaling only 35 mm (1.4 in) over 8 days, accompanied by lower humidity at 67%. For a detailed look at what to expect, you can check out Izmir weather in June.

December and July present stark contrasts in weather patterns. In December, temperatures can plunge to a minimum of -4°C (25°F), with an average of 9°C (49°F) and a maximum reaching 20°C (68°F). The month experiences considerable precipitation, totaling 125 mm (4.9 in) over about 14 days, leading to high humidity levels around 85%. In contrast, July features much warmer conditions, with temperatures ranging from a minimum of 16°C (62°F) to an average of 27°C (82°F) and peaking at a blazing 41°C (106°F). Notably, July is quite dry, with only 5 mm (0.2 in) of rain expected over just one day and humidity around a comfortable 57%. For more detailed information, you can check Izmir weather in July.

December and August present two starkly contrasting weather patterns. In December, temperatures range from a chilly -4°C (25°F) to a mild 20°C (68°F), with an average of 9°C (49°F). The humidity is quite high at 85%, coupled with significant precipitation of 125 mm (4.9 in) over 14 days, making it a damp month. In contrast, August is warm and dry, with temperatures soaring from a minimum of 18°C (65°F) to a scorching maximum of 39°C (103°F), and an average of 28°C (82°F). The humidity drops to a more comfortable 49%, and the month sees virtually no rain, with only 4 mm (0.2 in) throughout. For a closer look at what to expect in August, check out Izmir weather in August.

December and September showcase stark contrasts in weather. December experiences much colder temperatures, with lows dropping to -4°C (25°F) and a much milder average of 9°C (49°F) compared to September's minimum of 10°C (50°F) and average of 24°C (75°F). While December brings significant precipitation, totaling 125 mm (4.9 in) over 14 days, September remains quite dry, with only 12 mm (0.5 in) recorded over a single day. Furthermore, humidity levels are higher in December at 85%, while September enjoys a more comfortable 56% humidity. For a detailed view of what to expect in September, check out Izmir weather in September.

December and October in Izmir present quite contrasting weather conditions. In December, temperatures range from a chilly minimum of -4°C (25°F) to a comfortable maximum of 20°C (68°F), with an average of 9°C (49°F). The month sees significant rainfall, totaling 125 mm (4.9 in) across 14 days, and the humidity levels rise to 85%. In contrast, October boasts much milder weather, with temperatures ranging from a minimum of 3°C (38°F) to a sweltering maximum of 35°C (95°F), averaging around 18°C (65°F). Precipitation is also notably lower, measuring 59 mm (2.3 in) over just 5 days, and humidity stays at a more manageable 74%. For more details about October weather in Izmir, you can visit Izmir weather in October.

In comparing the weather between December and November, December experiences cooler temperatures with a minimum of -4°C (25°F) and an average of 9°C (49°F), while November has milder conditions, with a minimum of 1°C (34°F) and an average of 13°C (56°F). December also sees increased precipitation, with 125 mm (4.9 in) falling over 14 days, compared to November's 79 mm (3.1 in) over just 7 days. Humidity levels are slightly higher in December at 85%, compared to November's 82%. For more details on November's weather, you can visit Izmir weather in November.

Compare Izmir's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Izmir

As December unfolds in Izmir, the weather takes on a distinct character, marked by cooler temperatures and increased humidity that sets it apart from the milder months that precede it. With average daytime highs around 20°C (68°F) and chillier nights dipping to around 9°C (49°F), locals and visitors alike feel the shift towards winter. The month also brings significant precipitation, averaging 125 mm (4.9 in) over 14 days, which is a notable increase compared to the drier periods earlier in the year. This distinctive blend of coolness and moisture creates a cozy atmosphere, inviting residents to enjoy festive gatherings while wrapped in warm clothing. For those interested in a more comprehensive understanding of what to expect throughout the year, the detailed Izmir Climate page offers valuable insights.