Last updated: August 21, 2025
In January, Thessaloniki experiences a diverse range of temperatures, with a maximum reaching 18°C (65°F) and a minimum plummeting to -10°C (14°F). The average temperature hovers around 4°C (39°F), making it a cool month ideal for layering. Rainfall is moderate, with an average precipitation of 58 mm (2.3 in) over 8 days, contributing to the city's lush wintry landscape. The humidity is high at 88%, creating a crisp atmosphere that enhances the unique charm of Thessaloniki in the heart of winter.
In January, Thessaloniki experiences a wide range of temperatures, with a notable minimum dipping to -10°C (14°F), while the average hovers around a chilly 4°C (39°F) and can rise to a mild 18°C (65°F). This month marks the transition from the colder grip of winter into a slightly warmer phase, paving the way for February and March, where temperatures gradually rise, experiencing minimums of -5°C (23°F) and -3°C (27°F), respectively. A steady increase is evident, as the average figures climb from 7°C (46°F) in February to 10°C (50°F) in March, culminating in the first signs of spring with maximums soaring to 20°C (68°F) and 25°C (77°F). Hence, January in Thessaloniki sets the stage for a gradual warming trend, hinting at the vibrant weather that awaits in the coming months.
In Thessaloniki, January typically ushers in a moderate level of precipitation, with 58 mm (2.3 inches) spread over approximately 8 rainy days. This sets the tone for the colder months, as January's rainfall is notably higher than that of February, which receives 46 mm (1.8 inches), maintaining a steady trend of wet weather. The city gradually transitions into spring, where rainfall becomes more abundant, reaching 84 mm (3.3 inches) in March and peaking in June with 100 mm (3.9 inches). Interestingly, the frequency of rainy days tends to increase as winter gives way to spring and summer, maximizing the total rainfall while reducing the number of dry days. Overall, January serves as a pivotal month, bridging the dry spell of late autumn and the bountiful rains of the upcoming spring.
In January, Thessaloniki experiences a notable peak in humidity at 88%, setting the tone for a winter characterized by damp, chilly air. As the months progress into February and March, humidity begins to taper off slightly, falling to 83% and 81% respectively. This gradual decline continues into the spring months of April and May, where humidity levels drop further to 71% and 74%. The summer ushers in a more comfortable atmosphere with lower humidity levels, plummeting to 60% in July and reaching a relatively dry 47% in August. As autumn approaches, humidity creeps back up, peaking again in the cooler months with 85% in November and 87% in December. This cyclical trend illustrates Thessaloniki's distinctive seasonal shifts, marked by a high dampness in winter and more pleasant, drier summers.
In January, Thessaloniki experiences a moderate UV Index of 3, indicating a burn time of 30 minutes for unprotected skin. As the year progresses, the UV levels steadily rise, with February following closely at a UV Index of 4. By March and April, the index climbs to 6 and 7 respectively, moving into the high exposure category and reducing safe sun exposure to just 25 minutes. The heights of summer bring a very high UV Index peaking at 10 in June, where the burn time shrinks to only 15 minutes. Interestingly, the UV Index remains at 9 through July and August, emphasizing the need for skin protection during these peak months. As autumn sets in, the index begins to decline again, landing at 7 in September and tapering off to 4 in November and 2 in December, when the risk of harm from UV rays significantly diminishes. This clear seasonal trend highlights the importance of being UV-aware, especially during the sunniest months. For further details on UV levels throughout the year, visit the Thessaloniki UV Index.
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Thessaloniki in January may greet visitors with just 188 hours of sunshine, but this gentle start sets the tone for a gradual ascent into brighter days. As the calendar flips to February, the sunlight increases to 230 hours, teasing the warmth of spring ahead. By March, the city basks in 301 hours, marking a cheerful transition into a sunnier climate. April shines even brighter with 336 hours, and May dazzles with 396 hours, heralding the onset of summer. The peak radiance arrives in July, where the sun graces the city for an impressive 424 hours. While August sees a slight dip to 395 hours, the tail end of summer remains vibrant. As autumn approaches, sunshine gently wanes, dropping to 346 hours in September, and continuing its descent through the cooler months, finishing the year with 222 hours in December. Through these trends, it’s clear that Thessaloniki is a city of light, offering a compelling invitation to savor the sun-drenched months that lie ahead.
In Thessaloniki, Greece, January brings a 40% chance of sunny weather, making it one of the cooler months for sunshine. As winter wanes and we transition into February and beyond, the likelihood of sun steadily increases, reaching 51% by both February and March. Spring months like April and May continue this upward trend, with sunshine probabilities climbing to 58% in May. By the time summer arrives, the city basks in abundant sunlight, with July and August boasting impressive 79% and 80% chances, respectively. This trend illustrates a clear seasonal progression in Thessaloniki's climate, with vibrant, sun-filled days becoming more frequent as the year unfolds.
In Thessaloniki, Greece, January marks the onset of lengthening days, with approximately 9 hours of daylight. As the month transitions into February, daylight increases to 10 hours, hinting at the gradual approach of spring. Throughout the months, the trend continues, peaking in June with a generous 15 hours of sunlight, perfect for enjoying the city's vibrant outdoor life. Following this peak, daylight begins to wane, but even in October, 11 hours remain, illustrating the gradual descent into shorter days. By the time winter returns in November and December, daylight slips back to 9 hours once again, framing the year in a rhythmic cycle of light and shadow that is quintessentially Mediterranean.
In January, Thessaloniki greets the New Year with a brisk average wind speed of 2.5 m/s (6 mph), setting a tone of freshness that lingers through the winter months. As the season progresses into February, the winds calm slightly to 2.0 m/s (4 mph), creating a gentle embrace as the city transitions. This trend of moderate breezes continues, peaking again in December at 2.4 m/s (5 mph), hinting at the city’s playful relationship with the wind throughout the year. Notably, the spring months experience a slight increase, with winds reaching 2.3 m/s (5 mph) in March and May, before gradually tapering down as the warmer summer months approach. Overall, Thessaloniki’s January winds present a lively yet soothing chorus, perfectly complementing the city’s vibrant atmosphere.
Weather in Thessaloniki varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Thessaloniki, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is characterized by colder temperatures, with a minimum of -10°C (14°F) and an average of 4°C (39°F), while February brings slightly milder conditions with temperatures dropping no lower than -5°C (23°F) and an average of 7°C (46°F). The maximum temperatures also see a rise, with January peaking at 18°C (65°F) compared to February's 20°C (68°F). Precipitation levels are relatively close, with January receiving 58 mm (2.3 in) and February slightly less at 46 mm (1.8 in), both spread over 8 days. Humidity remains high in both months, though January starts at 88% and decreases to 83% in February. For a more detailed look, you can check Thessaloniki weather in February.
January weather is characterized by colder temperatures, with minimums dipping to -10°C (14°F) and an average around 4°C (39°F). Precipitation is moderate at 58 mm (2.3 in) over about 8 days, coupled with high humidity at 88%. In contrast, March brings a noticeable warming trend, with minimum temperatures around -3°C (27°F) and an average of 10°C (50°F), peaking at a maximum of 25°C (77°F). However, it also sees an increase in precipitation to 84 mm (3.3 in) over 12 days and slightly lower humidity at 81%. For further details, you can check Thessaloniki weather in March.
In January, the weather is significantly colder with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 18°C (65°F) and an average of 4°C (39°F). This month experiences higher humidity at 88%, along with 58 mm (2.3 in) of precipitation over about 8 days. In contrast, April ushers in milder temperatures, with lows of 1°C (34°F) and highs reaching 29°C (85°F), resulting in an average of 14°C (57°F). Although precipitation is slightly lower at 57 mm (2.2 in) over 9 days, the humidity drops to a more comfortable 71%. For more details on the pleasant conditions in this spring month, you can check Thessaloniki weather in April.
January and May present a stark contrast in weather conditions. In January, temperatures hover between a chilling minimum of -10°C (14°F) to a mild maximum of 18°C (65°F), with an average of around 4°C (39°F). The month is characterized by high humidity at 88% and moderate precipitation of 58 mm (2.3 inches) over approximately 8 days. In contrast, May offers a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a peak of 33°C (91°F), averaging 19°C (67°F). Although May experiences slightly more precipitation at 77 mm (3.0 inches) over 10 days, the overall humidity reduces to 74%, contributing to more comfortable outdoor conditions. For more insights on what to expect, you can explore Thessaloniki weather in May.
In January, Thessaloniki experiences much colder temperatures, with a minimum of -10°C (14°F) and an average of 4°C (39°F), peaking at 18°C (65°F). The month is characterized by high humidity levels of 88% and a total precipitation of 58 mm (2.3 in) over about 8 days. In contrast, June sees a significant rise in temperatures, with minimums of 12°C (54°F) and averages soaring to 23°C (74°F), reaching a maximum of 38°C (101°F). The humidity drops to a more comfortable 63%, although it experiences higher precipitation at 100 mm (3.9 in) spread over 13 days. For a detailed look at the June weather, check Thessaloniki weather in June.
In January, the weather is quite cold, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 18°C (65°F) and an average of 4°C (39°F). The humidity is notably high at 88%, and the month experiences around 58 mm (2.3 in) of precipitation over roughly 8 days. In stark contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 39°C (102°F) and an average of 26°C (79°F). Although July sees slightly less precipitation at 52 mm (2.1 in) over 7 days, the humidity drops to a more comfortable 60%. For those interested in the specifics of July weather in Thessaloniki, you can find more details here: Thessaloniki weather in July.
January and August present strikingly different weather conditions. In January, temperatures can drop to a minimum of -10°C (14°F), with an average of 4°C (39°F) and a maximum of 18°C (65°F). The month also sees quite a bit of precipitation, totaling 58 mm (2.3 in) over about 8 days, paired with high humidity levels at 88%. In contrast, August boasts much warmer temperatures, ranging from a minimum of 15°C (60°F) to a scorching maximum of 40°C (105°F), and an average of 26°C (80°F). Precipitation is less frequent, totaling 50 mm (2.0 in) over just 5 days, with significantly lower humidity at 47%. For more details, you can check Thessaloniki weather in August.
In January, the weather is cold and often feels quite harsh, with minimum temperatures dropping to -10°C (14°F) and an average of only 4°C (39°F). The month sees about 58 mm (2.3 in) of precipitation over 8 days, accompanied by high humidity levels of 88%. In contrast, September enjoys much milder and warmer conditions, with minimum temperatures around 8°C (46°F) and an average of 22°C (72°F), reaching a maximum of 35°C (95°F). The precipitation in September is significantly lower at 27 mm (1.1 in) over just 5 days, and humidity is more comfortable at 57%. For more information, you can visit Thessaloniki weather in September.
In January, the weather is quite cold, with temperatures ranging from a frigid -10°C (14°F) to a maximum of 18°C (65°F), and an average temperature of 4°C (39°F). The month typically sees about 58 mm (2.3 in) of precipitation over approximately 8 days, accompanied by a high humidity level of 88%. In contrast, October experiences much milder weather, with temperatures ranging from a minimum of 4°C (40°F) to a comfortable maximum of 29°C (85°F), and an average temperature of 16°C (61°F). The precipitation in October slightly increases to 62 mm (2.5 in) but is spread over fewer days at just 6, and humidity decreases to 76%. For a detailed overview, check out Thessaloniki weather in October.
January and November present distinctly different weather conditions. In January, temperatures can drop as low as -10°C (14°F), with an average of 4°C (39°F) and a maximum of 18°C (65°F). The month experiences about 58 mm (2.3 in) of precipitation over 8 days, combined with high humidity levels at 88%. In contrast, November offers milder temperatures, with a minimum of -2°C (28°F), an average of 12°C (53°F), and a maximum of 24°C (76°F). The precipitation is slightly higher at 80 mm (3.2 in) over 10 days, with a humidity level of 85%. For more details on November weather in Thessaloniki, visit Thessaloniki weather in November.
January and December in Thessaloniki present noticeable variations in weather, albeit with some similarities. January typically sees a minimum temperature of -10°C (14°F) compared to December's milder minimum of -6°C (22°F). The average temperature in January is slightly colder at 4°C (39°F), while December boasts a warmer average of 7°C (45°F). Both months share a maximum temperature of 18°C (65°F). Precipitation levels also differ, with January receiving 58 mm (2.3 in) over approximately 8 days, compared to December's higher 83 mm (3.3 in) across 9 days. Humidity remains high in both months, at 88% for January and 87% for December, contributing to a generally damp atmosphere. For more details, refer to Thessaloniki weather in December.
In January, Thessaloniki experiences a distinctive shift in weather compared to other months, characterized by cooler temperatures and a notable increase in humidity. The city sees a maximum of 18°C (65°F) but often hovers around a chilly average of 4°C (39°F), with occasional drops to -10°C (14°F) during the night. The frequent precipitation, totaling about 58 mm (2.3 in) over roughly 8 days, adds to the crisp winter atmosphere, making it much wetter than other seasons. This combination of cool air and higher humidity creates a unique climate that invites visitors to explore the city’s rich history and vibrant culture, even amidst the winter chill. For more insights on the city's weather patterns throughout the year, check out Thessaloniki Climate.