January Weather in Sisli, Turkey

Last updated: August 27, 2025

In January, Şişli, Turkey experiences a varied climate, characterized by a maximum temperature reaching 16°C (62°F) and an average of 7°C (45°F). The month can be chilly, with minimum temperatures dropping to -3°C (27°F). Rain is a notable feature, with 102 mm (4.0 in) of precipitation spread across approximately 13 days, resulting in relatively high humidity levels of 84%. This blend of cool temperatures and frequent rain presents a unique atmosphere, making January a month of transition in this vibrant district.

January Temperature in Sisli

In January, Sisli, Turkey experiences a significant chill, with temperatures ranging from a brisk -3°C (27°F) to a mild 16°C (62°F). The average temperature of 7°C (45°F) depicts the winter's grasp, highlighting the stark contrast as the month progresses. As the days pass, while the minimum temperatures gradually rise, the peak warmth remains relatively steady. This month lays the groundwork for a gradual warming trend leading into February and beyond, where the city welcomes increased temperatures and a shift toward the more pleasant spring conditions that follow. Overall, January serves as a defining moment in the seasonal transition, showcasing how winter in Sisli can be both crisp and refreshing.

January Weather in Sisli: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sisli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sisli, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec444647536371767772645750
Data source: Temperature data for Sisli 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.

January Precipitation in Sisli

In January, Sisli, Turkey, experiences a significant rainfall, with an average precipitation of 102 mm (4.0 in) spread over approximately 13 days. This marks the beginning of the year with one of the highest precipitation levels, closely followed by December, which sees 108 mm (4.2 in). As winter gives way to spring, the overall trend shows a gradual decrease in both the volume of rainfall and the number of wet days, with February and March contributing 66 mm (2.6 in) and 82 mm (3.2 in), respectively. By the time we reach April, the downpour dwindles to 49 mm (1.9 in) over just 8 days, signaling the onset of drier months ahead. This pattern highlights a seasonal shift as the city transitions to warmer and drier conditions in the subsequent summer months, suggesting a dynamic interplay between seasons and precipitation in Sisli.

January Precipitation Trends in Sisli

The chart displays monthly precipitation patterns in Sisli, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sisli, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10267825050405318365663108
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sisli

In January, Sisli, Turkey, experiences a high humidity level of 84%, setting the tone for a winter characterized by moist air. This trend of elevated humidity continues into February, maintaining the same percentage, before showing a slight decline in March to 83%. As spring approaches, the humidity begins to decrease more significantly in April and May, dropping to 76% and 77%, respectively. However, the summer months bring a steady decline, with July witnessing a low of 63%. As the seasons shift again in late summer and autumn, humidity starts to rise once more, peaking back at 85% in December. This cyclical pattern highlights a year where Sisli's humidity begins high in winter, gradually reduces through spring and summer, and rebounds as it transitions back into the winter months.

January Average Humidity in Sisli

This chart illustrates the average monthly humidity levels in Sisli, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sisli is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%76%77%70%63%55%60%73%82%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sisli

In January, Sisli, Turkey, experiences a moderate UV Index of 3, indicating a safe level of sun exposure for most activities but with a burn time of just 30 minutes for fair-skinned individuals. As the winter months progress into February, the UV Index creeps up to 4, maintaining the moderate exposure category. However, by March and April, the UV Index escalates to 6 and 7 respectively, shifting into the high category and reducing safe exposure time to 25 minutes. This trend continues into the warm summer months, where May sees a notable jump to 8 and then peaks at 10 in June, both classified as very high with only 15 minutes of burn time. The summer sun’s intensity remains high through July and August, before tapering off again in September and October, where the UV Index drops back to 7 and 6. By the time winter returns in November and December, the UV levels lower considerably, with a UV Index of 3 and 2, respectively. Staying informed about the changing UV levels is crucial for safe sun practices; explore more at Sisli UV Index.

Maximum UV Index Levels in Sisli for January

The chart shows the monthly maximum UV Index (UVI) for Sisli in January, 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 January, the maximum UV index in Sisli typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3467810997632
Data source: Sisli January 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.

January Sunshine in Sisli

In Sisli, Turkey, January shines with 159 hours of sunlight, marking the beginning of a gradual ascent into brighter months. As winter transitions into spring, February sees an increase to 232 hours, laying the groundwork for March's leap to 303 hours. The sun’s embrace continues to strengthen, with April and May bringing 347 hours and 401 hours respectively, welcoming longer days and a vibrant atmosphere. June reaches a peak of 411 hours, closely followed by July at 428 hours, offering the year’s sunniest stretch. However, as summer fades into autumn, there’s a noticeable decline, with August at 399 hours and September to October sliding down to 345 hours and 305 hours. The year concludes with November and December providing a softer sunlight palette of 247 hours and 213 hours. This dynamic seasonal rhythm highlights Sisli’s transition from winter’s waning days to the generous warmth of summer, creating a captivating contrast that characterizes the Turkish climate.

Monthly Sunshine Duration in Sisli: January Highlighted

The January sunshine duration represents the total number of hours Sisli experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec159h232h303h347h401h411h428h399h345h305h247h213h
Data source: Sisli January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sisli During January

In January, Sisli, Turkey, experiences a modest 27% chance of sunny weather, setting the stage for a month that often embraces its cooler, overcast charms. As the year unfolds, a distinct upward trend emerges, with February bringing a notable increase to 42%, hinting that the sun is gradually reclaiming its presence. This upward trajectory continues into the spring months, peaking at 57% in May and soaring to a splendid 82% in August. Thus, while January may not be the sunniest month, it marks the beginning of a delightful journey towards sunnier days ahead, perfect for those who appreciate the gradual transition from winter's embrace to the warmth of summer.

Percentage of Sunny Days in January in Sisli

The chart illustrates the percentage of sunny days in Sisli throughout the year, with January 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 Sisli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%42%40%43%57%60%79%82%58%46%39%33%
Data source: Sisli January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sisli in January

In January, Sisli, Turkey experiences a modest 9 hours of daylight, as winter grips the city. However, as the months progress, daylight steadily increases, reaching a delightful 10 hours in February and blooming to 11 hours by March. This gradual shift heralds the arrival of spring, with April basking in an impressive 13 hours of sunlight, and May stretching the day to 14 hours. The height of summer in June boasts a glorious 15 hours of daylight, providing ample time for outdoor activities. As the season transitions, daylight begins to recede, with July and August offering 14 and 13 hours, respectively. By September, the daylight dips to 12 hours, setting the stage for autumn and the inevitable return to shorter days, as October serves up 11 hours. Ultimately, November and December mirror January’s shorter days, each providing just 9 hours of daylight, wrapping up the year in the cozy embrace of winter. This cyclical pattern highlights the rhythmic dance of daylight through the year in Sisli, inviting residents and visitors alike to embrace the changing seasons.

Average Daylight Hours in Sisli for January

The chart illustrates the variation in daylight duration in Sisli throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 57m13h 19m14h 29m15h 4m14h 45m13h 44m12h 25m11h 4m9h 52m9h 15m
Data source: Sisli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Sisli

In January, Sisli, Turkey, experiences an average wind speed of 4.8 m/s (11 mph), setting the tone for a month that often feels brisk and invigorating. As winter unfolds, wind speeds reach their peak in October and December, soaring to 5.2 m/s (12 mph), while February follows closely with a slight increase to 4.9 m/s (11 mph). Interestingly, the winds gradually taper off into the spring months, with April and May seeing reduced speeds of 4.1 m/s (9 mph) and 4.0 m/s (9 mph), respectively. The trend continues into summer, where June dips to a calm 3.0 m/s (7 mph), before the winds regain strength in late summer and early autumn. This seasonal variation highlights Sisli’s shifting breezes, offering a refreshing contrast between the cooler months and warmer days ahead.

Average January Wind Speed in Sisli

The chart displays monthly wind speed patterns in Sisli, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s4.94.74.14.03.04.44.44.95.24.55.2
Data source: Sisli January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Sisli Compares to Other Months

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

In January, the weather typically features cooler temperatures, with a minimum of -3°C (27°F) and an average of 7°C (45°F), while reaching a maximum of 16°C (62°F). This month also sees significant precipitation, totaling 102 mm (4.0 in) over approximately 13 days, with persistent humidity at 84%. By contrast, February experiences slightly milder conditions, as the minimum temperature rises to -1°C (31°F) and the average increases to 8°C (46°F), though the maximum remains the same at 17°C (62°F). Precipitation decreases to 66 mm (2.6 in) over about 12 days, while humidity remains constant at 84%. Overall, February brings a subtle shift toward warmer and drier weather compared to January. For more details, check Sisli weather in February.

In January, the weather typically features a minimum temperature of -3°C (27°F) and an average of 7°C (45°F), while reaching a maximum of 16°C (62°F). The month experiences 102 mm (4.0 in) of precipitation over 13 days, with humidity levels at around 84%. In contrast, March sees a slight increase in temperatures, with a minimum of -2°C (29°F), an average of 8°C (47°F), and a maximum of 18°C (65°F). Precipitation decreases to 82 mm (3.2 in) over 12 days, and humidity levels remain similar at 83%. For more detailed information about the weather in March, check out Sisli weather in March.

January and April present quite different weather patterns. In January, temperatures range from a chilly -3°C (27°F) at night to a mild 16°C (62°F) during the day, with an average temperature of 7°C (45°F). This month is also marked by relatively high precipitation, totaling 102 mm (4.0 in) over 13 days, and a humidity level of 84%, making it feel quite damp. In contrast, April brings a noticeable warming trend, with minimum temperatures around 4°C (40°F) and daytime highs reaching up to 23°C (73°F), resulting in an average temperature of 12°C (53°F). Precipitation decreases significantly to 49 mm (1.9 in) over just 8 days, along with a drop in humidity to 76%. For more details, you can explore Sisli weather in April.

In January, the weather is significantly colder, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 16°C (62°F), accompanied by high humidity at 84% and considerable precipitation of 102 mm (4.0 in) over 13 days. In contrast, May sees much milder conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 27°C (82°F), lower humidity at 77%, and less rainfall, totaling 50 mm (2.0 in) over just 8 days. This transition marks a shift from the chill of winter to the warmth of spring, making May a much more pleasant month overall. For more details, check out Sisli weather in May.

In January, the weather is quite chilly, with temperatures ranging from a brisk -3°C (27°F) to a mild 16°C (62°F), averaging around 7°C (45°F). This month also sees higher precipitation levels, totaling 102 mm (4.0 in) over about 13 days, along with a high humidity of 84%. In contrast, June brings warmer conditions, with minimum temperatures around 13°C (56°F) and maximums reaching up to 30°C (86°F), averaging 22°C (71°F). Precipitation in June is significantly lower at 40 mm (1.6 in) over just 7 days and the humidity decreases to a comfortable 70%. For more information, you can check the Sisli weather in June.

January and July exhibit stark contrasts in weather conditions. In January, temperatures range from a chilly -3°C (27°F) to a mild 16°C (62°F), with an average of 7°C (45°F). This month is characterized by higher humidity at 84% and significant precipitation of 102 mm (4.0 in) over 13 days, creating a damp and cool environment. In contrast, July brings warmth with temperatures soaring from a minimum of 18°C (65°F) to a sweltering maximum of 33°C (92°F), averaging around 24°C (76°F). The month experiences significantly less rainfall, with only 53 mm (2.1 in) falling over just 5 days, and a lower humidity level of 63%. This seasonal shift results in a dry, sunny, and hot July compared to the cooler and wetter January. For more details, visit Sisli weather in July.

January and August weather in Sisli contrasts significantly, showcasing the dramatic seasonal shifts. In January, temperatures can dip as low as -3°C (27°F) at night, with an average daytime high of 7°C (45°F) and total precipitation of 102 mm (4.0 in) over approximately 13 days, resulting in a humid environment with 84% humidity. In stark contrast, August boasts a much warmer climate with nighttime lows of 19°C (66°F) and daytime averages reaching 25°C (77°F), peaking at a sizzling 34°C (93°F). Additionally, August sees significantly less rainfall, with only 18 mm (0.7 in) falling over just 3 days, and a humidity level dropping to 55%. For more details, check out Sisli weather in August.

In January, the temperatures are quite chilly, with a minimum of -3°C (27°F) and a maximum of 16°C (62°F), while rainfall is frequent, occurring on about 13 days and accumulating to 102 mm (4.0 in). The humidity remains high at 84%, contributing to the wintry feel. In stark contrast, September brings much warmer weather, with temperatures ranging from a minimum of 13°C (57°F) to a maximum of 32°C (90°F) and an average of 22°C (72°F). Precipitation is significantly lower, totaling just 36 mm (1.4 in) over 6 days, paired with a more comfortable humidity level of 60%. For a detailed look at September weather, visit Sisli weather in September.

In January, the weather tends to be quite chilly, with temperatures ranging from a low of -3°C (27°F) to a maximum of 16°C (62°F), and an average temperature of around 7°C (45°F). The month also sees frequent precipitation, with about 102 mm (4.0 in) falling over 13 days, contributing to a high humidity level of 84%.

In contrast, October offers a much milder climate, featuring temperatures that range from a minimum of 10°C (50°F) to a warm high of 28°C (82°F), averaging 18°C (64°F). Additionally, rainfall is significantly less, with only 56 mm (2.2 in) of precipitation across 8 days and lower humidity at 73%. For more details, check out Sisli weather in October.

In January, the weather is notably colder with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 16°C (62°F), accompanied by higher precipitation levels totaling 102 mm (4.0 in) over 13 days. In contrast, November enjoys milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 22°C (72°F), and less rainfall at 63 mm (2.5 in) across 10 days. Additionally, January experiences slightly higher humidity at 84% compared to November's 82%. For more detailed information on November weather, you can check Sisli weather in November.

In comparing the weather of January and December, January tends to be slightly cooler with minimum temperatures dropping to -3°C (27°F), while December starts at a relatively milder minimum of 1°C (34°F). The average temperature in January is around 7°C (45°F), compared to December's average of 10°C (50°F). Both months experience considerable precipitation, with January receiving 102 mm (4.0 in) over approximately 13 days, just slightly less than December's 108 mm (4.2 in) across 15 days. Humidity levels remain quite similar, hovering around 84% in January and 85% in December. For a closer look at December weather specifics, you can explore Sisli weather in December.

Compare Sisli's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Sisli

January in Şişli unveils a chilly embrace characterized by a notable dip in temperatures compared to the balmy months of spring and summer. With an average temperature hovering around 7°C, the month also brings a significant amount of precipitation, making it one of the wetter points in the year with around 13 rainy days. The high humidity levels further accentuate the coolness in the air, creating a distinct atmosphere that contrasts sharply with the warmer, drier spell of the months ahead. For those planning to explore this vibrant district, understanding January's unique weather patterns is essential. For more detailed insights, check out Sisli Climate.