December Weather in Giresun, Turkey

Last updated: August 27, 2025

In December, Giresun, Turkey experiences a blend of cool temperatures and considerable precipitation. The maximum temperature can reach a comfortable 21°C (71°F), while the average hovers around 11°C (52°F), dropping to a chilly minimum of -2°C (29°F) at times. Rainfall is a common occurrence, with 174 mm (6.8 in) typically falling over the month, impacting 14 days of the calendar. Humidity levels remain high at 82%, contributing to a damp atmosphere. This combination of weather conditions makes December a distinctive month in Giresun, showcasing the region's unique seasonal charm.

December Temperature in Giresun

In December, Giresun, Turkey, experiences a notable shift as temperatures begin to dip toward the winter chill. The month marks a transition with minimum temperatures dropping to -2°C (29°F), while the average hovers around a cool 11°C (52°F). Despite the drop, daytime highs remain pleasant, reaching up to 21°C (71°F), reminiscent of the warmer late autumn days. This fluctuation highlights the typical coastal climate of Giresun, where a blend of crisp air and milder sunshine creates a unique winter atmosphere, inviting visitors to enjoy both the beauty of the landscape and the charm of the local culture in the cooler season.

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

The chart illustrates December temperature patterns in Giresun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Giresun, 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).
JanFebMarAprMayJunJulAugSepOctNovDec474748546170747570645752
Data source: Temperature data for Giresun 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 Giresun

December in Giresun, Turkey, marks a notable peak in precipitation, with 174 mm (6.8 in) of rain typically gracing the region over 14 days. This increase sets December apart as one of the wettest months of the year, following October's significant rainfall of 172 mm (6.8 in). The trend indicates that as the year comes to a close, Giresun experiences consistent rainfall, with the late autumn months like November and December demonstrating a tendency toward higher precipitation levels. This pattern not only enriches the lush greenery of the area but also underscores the region's characteristic maritime climate, where moisture lingers in the air, contributing to vibrant landscapes.

December Precipitation Trends in Giresun

The chart displays monthly precipitation patterns in Giresun, 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 Giresun, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12797133791197795167139172139174
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Giresun

In Giresun, Turkey, December brings a noticeable transition in humidity levels as the year winds down, with an average humidity of 82%. This month marks a slight dip from the elevated levels of November at 84%, yet remains consistent with the overall trend of elevated humidity during the winter months. From the spring through summer, humidity in Giresun generally declines, reaching its lowest point in August at 63%. However, as autumn approaches, humidity begins to creep back up, particularly in the final months of the year. December's humidity, while lower than its November peak, reflects the region's characteristic moist climate, setting the stage for the colder, wetter days of winter that lie ahead.

December Average Humidity in Giresun

This chart illustrates the average monthly humidity levels in Giresun, 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 Giresun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%81%79%81%80%73%63%67%78%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Giresun

In December, Giresun, Turkey experiences a low UV Index of 2, making it a relatively safe time for outdoor activities. This marks a notable dip from the peak levels seen in the summer months, where the UV Index reached as high as 10 in both June and July. With a burn time of 45 minutes, residents and visitors can comfortably enjoy the outdoors while minimizing their risk of sun damage. As the year transitions from high summer exposure to the winter months, the trend shows a decreasing UV Index, emphasizing the importance of adjusting sun safety practices accordingly. For more detailed insights on the UV Index throughout the year, visit Giresun UV Index.

Maximum UV Index Levels in Giresun for December

The chart shows the monthly maximum UV Index (UVI) for Giresun 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 Giresun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097632
Data source: Giresun 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 Giresun

In Giresun, Turkey, December brings a gentle shift into winter with 215 hours of sunshine, marking a noteworthy decline from the vibrant summer months but still offering a significant amount of daylight. As the year unfolds, the sunshine hours steadily increase from January’s 169 hours to a peak in July with 417 hours, providing a delightful canvas of light for most of the year. Autumn sees a gradual tapering off, with sunshine dwindling through November's 244 hours, yet December retains a charming glow that brightens the colder days. This gradual ebb and flow of sunlight not only paints the seasonal transitions but also enriches the coastal beauty and vibrant atmosphere of Giresun during the festive close of the year.

Monthly Sunshine Duration in Giresun: December Highlighted

The December sunshine duration represents the total number of hours Giresun 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h233h290h322h378h395h417h380h326h291h244h215h
Data source: Giresun December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Giresun During December

In Giresun, Turkey, December presents a moderate likelihood of sunny weather, with a 42% chance of sunshine gracing the skies. This pattern reflects a seasonal trend, as daylight becomes more elusive during the winter months. Interestingly, December's sunshine probability aligns closely with trends observed in November (39%) and October (42%), suggesting a consistent yet limited opportunity for clear skies as the year closes out. As we move into the following months, particularly into spring, chances of sun notably rise, reaching peaks in May (54%) and June (57%). Therefore, while December offers a fair chance for sunbathing amidst the approaching chill, it also sets the stage for the brighter, warmer months ahead.

Percentage of Sunny Days in December in Giresun

The chart illustrates the percentage of sunny days in Giresun 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 Giresun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%42%31%31%54%57%56%43%40%42%40%43%
Data source: Giresun December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Giresun in December

In Giresun, Turkey, the daylight duration experiences a notable ebb and flow throughout the year, peaking in the long summer months and gradually receding as winter approaches. Starting with a modest 9 hours in January, daylight steadily increases, reaching a bright 15 hours by June. As summer wanes, days shorten, dropping to 14 hours in July and 13 hours in August, before continuing their descent into the cooler months. By December, the sky again hugs Giresun with a familiar 9 hours of daylight, mirroring the conditions at the year’s start. This rhythmic progression not only shapes daily life but also enriches the scenic beauty of the region, inviting both locals and visitors to revel in the changing seasons.

Average Daylight Hours in Giresun for December

The chart illustrates the variation in daylight duration in Giresun throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 37m11h 57m13h 19m14h 28m15h 3m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m
Data source: Giresun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Giresun

As December settles in Giresun, Turkey, a distinct shift in the wind can be felt, with average speeds reaching 3.6 m/s (8 mph)—a refreshing increase compared to the milder breezes of the preceding months. This uptick marks a notable end-of-year trend, as the winter chill begins to envelop the region, reminiscent of the stronger winds experienced earlier in the year. From the gentle 2.0 m/s (5 mph) of June to a steady resurgence, December winds serve as a reminder of nature's cyclical rhythm, hinting at the promise of a bracing winter season ahead. The currents carry with them a sense of anticipation, inviting both locals and visitors to embrace the changing elements.

Average December Wind Speed in Giresun

The chart displays monthly wind speed patterns in Giresun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.42.92.92.92.02.72.42.72.52.83.6 m/s
Data source: Giresun December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Giresun Compares to Other Months

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

December and January in Giresun exhibit some notable similarities and differences in weather patterns. Both months experience a minimum temperature of -2°C (29°F) and a maximum that peaks at 21°C (71°F). However, January tends to be slightly cooler on average, with temperatures averaging around 8°C (47°F) compared to December's 11°C (52°F). Precipitation is also reduced in January, totaling 127 mm (5.0 in) over 13 days, in contrast to December's 174 mm (6.8 in) over 14 days. Humidity levels remain fairly consistent, with January at 83% and December at 82%. For a more detailed look at January weather, check out Giresun weather in January.

December and February exhibit notable differences in weather patterns, with December experiencing a milder average temperature of 11°C (52°F) compared to February's cooler average of 8°C (47°F). Both months have similar maximum temperatures, peaking at 21°C (71°F) in December and 21°C (69°F) in February. However, December sees significantly more precipitation at 174 mm (6.8 in) over 14 days, while February's precipitation is reduced to 97 mm (3.8 in) across the same number of days. The humidity levels are fairly consistent, with December at 82% and February slightly higher at 84%. For more specific insights into February's weather, you can check out Giresun weather in February.

In comparing the weather of December and March, December tends to be cooler overall, with average temperatures ranging from a low of -2°C (29°F) to a high of 21°C (71°F), while March shows slightly milder conditions with temperatures ranging from -1°C (31°F) to 23°C (74°F). Precipitation levels are more pronounced in December, totaling 174 mm (6.8 in) over approximately 14 days, compared to March's 133 mm (5.3 in) spread over 17 days. Humidity levels remain similar in both months, with December sitting at 82% and March at 81%. For a more detailed look at March weather in Giresun, visit Giresun weather in March.

In December, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 21°C (71°F), with an average of 11°C (52°F). This month also experiences significant precipitation, totaling 174 mm (6.8 in) over about 14 days, accompanied by a high humidity level of 82%. In contrast, April brings milder temperatures, with minimums of 5°C (41°F) and maximums reaching up to 26°C (80°F), averaging at 12°C (54°F). Rainfall in April is considerably lower at 79 mm (3.1 in) spread over approximately 12 days, and humidity dips slightly to 79%. For more detailed insight, you can check Giresun weather in April.

December and May exhibit distinctly different weather patterns. In December, temperatures can dip as low as -2°C (29°F) at night, while daytime highs reach around 21°C (71°F), leading to a chilly but variable climate. The month also experiences significant precipitation, averaging 174 mm (6.8 in) over about 14 days, coupled with a high humidity level of 82%. In contrast, May features milder temperatures, with minimums around 8°C (47°F) and maximums peaking at 28°C (83°F). While the month receives less rainfall, totaling 119 mm (4.7 in) over the same 14 days, the humidity remains similar at 81%. For more detailed information, check out Giresun weather in May.

In December, the weather is significantly cooler, with temperatures ranging from a chilly -2°C to a warmer average of 11°C, peaking at 21°C. The month also experiences higher precipitation, with 174 mm over 14 days, contributing to an increased humidity level of 82%. In contrast, June offers much milder conditions, with temperatures from a minimum of 13°C to a comfortable average of 21°C, reaching up to 28°C at times. Precipitation in June is notably lower, at 77 mm over 12 days, and humidity levels remain relatively pleasant at 79%. For a detailed overview of this warm month, check out Giresun weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 21°C (71°F), with an average of 11°C (52°F). This month experiences higher precipitation at 174 mm (6.8 in) over 14 days, resulting in a high humidity level of 82%. Conversely, July boasts much warmer temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 30°C (86°F), with an average of 23°C (74°F). The rainfall in July is significantly less, at 95 mm (3.7 in) spread across 15 days, and humidity is lower at 73%. For a closer look at the warm, summer climate, check out Giresun weather in July.

December and August showcase starkly different weather conditions. In December, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 21°C (71°F), averaging around 11°C (52°F). The month experiences significant precipitation, with 174 mm (6.8 in) falling over 14 days, accompanied by high humidity levels at 82%.

In contrast, August presents a much warmer climate, with temperatures varying from a mild 18°C (65°F) to a peak of 29°C (84°F), and an average of 24°C (75°F). Precipitation in August is slightly lower at 166 mm (6.6 in) spread out over 17 days, with humidity at a more comfortable 63%. For more details about August weather, visit Giresun weather in August.

When comparing the weather in December and September, one can observe notable differences in temperature and humidity. December tends to be much cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), while September enjoys milder temperatures, with a minimum of 13°C (55°F) and a maximum of 31°C (88°F). In terms of precipitation, December sees more rainfall, totaling 174 mm (6.8 in) over 14 days, compared to September's 139 mm (5.5 in) spread over 17 days. Additionally, December's humidity is notably higher at 82%, contrasting with September's lower level of 67%. For those interested in more detailed information about September weather conditions, you can visit Giresun weather in September.

In comparing the weather of December and October, December presents a significantly cooler climate, with average temperatures ranging from a low of -2°C (29°F) to a high of 21°C (71°F), contrasted with October's milder averages of 10°C (51°F) to 29°C (84°F). Both months experience similar rainfall, with December receiving 174 mm (6.8 in) over 14 days and October slightly less at 172 mm (6.8 in) across 16 days. Additionally, December's humidity levels are higher at 82%, compared to 78% in October, making the cooler month feel even more damp. To explore more about October's temperate conditions, check out Giresun weather in October.

In December, temperatures tend to drop more significantly, with a minimum of -2°C (29°F) compared to November's minimum of 5°C (41°F). While both months experience similar maximum temperatures, with December's max at 21°C (71°F) and November's at 22°C (72°F), December's average temperature is noticeably lower at 11°C (52°F) versus November's 14°C (57°F). Additionally, December experiences more precipitation, totaling 174 mm (6.8 in) over 14 days, compared to November's 139 mm (5.5 in), maintaining a relatively high humidity level in both months at around 82% for December and 84% for November. For more detailed weather information, check Giresun weather in November.

Compare Giresun's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Giresun

As December settles in Giresun, the weather takes a noticeable shift compared to the milder months earlier in the year. The cool temperatures, averaging 11°C, mark a departure from the warmth of autumn, while even colder nights can dip to a brisk -2°C. This month also brings increased precipitation, with about 14 days of rain contributing to a total of 174 mm, creating a damp atmosphere that enhances the region's lush landscape. With humidity levels hovering around 82%, the air feels distinctly fresh and invigorating. For those planning a visit, embracing the unique December weather is essential to experiencing Giresun in its winter charm. For more detailed information about the climate, check out Giresun Climate.