Last updated: August 21, 2025
October in Thessaloniki, Greece offers a delightful mix of mild weather and picturesque views. With maximum temperatures reaching 29°C (85°F) during the day and an average of 16°C (61°F), it’s the perfect time for outdoor exploration. Nights bring a cooler breeze, dipping to a minimum of 4°C (40°F). This month also sees an average precipitation of 62 mm (2.5 in) over about 6 days, contributing to the region's lush landscapes. Coupled with a relatively high humidity of 76%, visitors can enjoy the rich autumn colors and vibrant atmosphere that Thessaloniki has to offer.
In October, Thessaloniki starts to transition from the warmth of summer to the coolness of autumn. The temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 29°C (85°F), offering a delightful mix for visitors. The average temperature settles around 16°C (61°F), providing a pleasant climate perfect for exploring the city's rich history and vibrant culture. As the month progresses, you can expect cooler mornings and evenings, a clear indication that winter is on the horizon. This shift in temperatures marks a significant drop from the preceding months, reflecting a trend towards cooler weather that characterizes the late autumn season in this beautiful Greek city.
October in Thessaloniki marks a noticeable shift in precipitation patterns as the city transitions into fall. With an average of 62 mm (2.5 in) of rainfall over six days, October serves as a prelude to the wetter months ahead. This amount highlights a substantial increase compared to the dry spell of September, which saw only 27 mm (1.1 in) across just five days. As temperatures cool, the steady rise in rain serves not only to refresh the landscape but also to set the stage for November’s heavier downpours. This trend indicates a clear seasonal transition, with October typically experiencing moderate precipitation just before the more substantial rains of late autumn.
As autumn settles in Thessaloniki, October brings a noticeable rise in humidity to 76%, a shift from the drier summer months. This increase reflects the transition from the pleasant warmth of August, where humidity drops to a low 47%, toward the more humid conditions of late fall. The trend shows a gradual ascent in moisture levels, particularly as the city moves from the summer’s peak dryness through September’s 57%. By October, the air carries a crispness enriched by the humidity, offering a refreshing contrast to the preceding heat of summer. With November approaching, when humidity reaches 85%, October serves as a bridge, hinting at the lush, more humid days ahead.
In October, the UV Index in Thessaloniki, Greece remains a notable 6, indicating a high level of sun exposure. As autumn settles in, residents and visitors should be mindful of their time in the sun, as the burn time is around 25 minutes for unprotected skin. This trend shows a slight decrease from the peak summer months, where the UV Index soared to 10 in June, but the potential for skin damage is still significant. As the days grow shorter and cooler, it's essential to remain vigilant about sun protection, especially during midday hours. For more detailed insights on the UV Index throughout the year, visit Thessaloniki UV Index.
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As October unfolds in Thessaloniki, the city basks in a warm embrace of 292 hours of sunshine, painting a picturesque backdrop for autumn adventures. This month reflects a gentle decline from the sun-drenched days of summer, where July peaks with an impressive 424 hours, followed closely by June and August. Interestingly, October remains significantly sunnier than the winter months of November and December, which see a drop to 227 and 222 hours respectively. This trend suggests an ideal time for visitors to explore the vibrant streets, historical landmarks, and lively cafes before the chill of winter sets in, making October a delightful transitional month where the warmth of the sun still lingers.
October in Thessaloniki carries the promise of sun with a 43% chance of clear skies, a drop from the vibrant summer months but still a notable presence of sunshine as the city transitions into cooler autumn. Following the peak sunshine of July and August—which enjoy a striking 79% to 80% chance—October reflects the gradual retreat from those warm and luminous days. While the likelihood of sunlight isn't as favorable as in the preceding months, it still surpasses the gloomier winter months ahead, such as November with just 31%. Thus, despite the decline, October remains a delightful window for enjoying the Mediterranean charm under a gentle sun, bridging the lush vibrancy of summer with the tranquil embrace of fall.
As autumn settles in Thessaloniki, October offers a gentle transition with about 11 hours of daylight, marking a notable decrease from the sun-soaked days of summer. Following a peak in June, where daylight stretches to a generous 15 hours, the city begins to experience a gradual dimming. This month reflects a retreat from the bright 14 hours of May and 13 hours in August, illustrating a consistent pattern of diminishing light as the year draws to a close. With the days shortening, October brings a cozy atmosphere, perfect for enjoying the vibrant fall colors and the cultural richness of this historic city.
As autumn arrives in Thessaloniki, the October winds whisper a gentle lull, with an average speed of just 1.8 m/s (4 mph). This marks a continuation of the subtle decline in wind strength seen since the summer months, where breezes were slightly more robust. Typically, September and October share this tranquil demeanor, each recording the same modest wind speed. As the year progresses towards winter, the winds will gradually pick up again, hinting at a refreshing change ahead. In this serene October atmosphere, residents and visitors can enjoy the stillness as the city prepares for the cooler months, making it a perfect time for leisurely strolls along the waterfront, basking in the mild weather and scenic views.
Weather in Thessaloniki varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Thessaloniki, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present markedly different weather conditions. In October, temperatures typically range from a mild 4°C (40°F) at night to a warm 29°C (85°F) during the day, with an average of 16°C (61°F). The month experiences about 62 mm (2.5 in) of precipitation over approximately six days, accompanied by a humidity level of 76%. In contrast, January brings much colder temperatures, with lows plunging to -10°C (14°F) and daytime highs averaging only 4°C (39°F), capping at 18°C (65°F). The precipitation is slightly lower at 58 mm (2.3 in) but occurs over more rainy days, totaling eight, and the humidity rises to 88%. For more details on January weather, you can check out Thessaloniki weather in January.
October and February present contrasting weather patterns. In October, temperatures typically range from a minimum of 4°C (40°F) to a pleasant average of 16°C (61°F), peaking at 29°C (85°F) on warm days. This month sees around 62 mm (2.5 in) of precipitation over approximately six days, with humidity levels at 76%. In contrast, February is much colder, with temperatures dropping to a minimum of -5°C (23°F) and an average of 7°C (46°F), reaching a maximum of 20°C (68°F). Precipitation is slightly less, at 46 mm (1.8 in) over eight days, with humidity rising to 83%. For more details on February weather, visit Thessaloniki weather in February.
October and March present contrasting weather patterns, particularly in their temperature ranges and precipitation. In October, temperatures can vary from a cool 4°C (40°F) at night to a warm 29°C (85°F) during the day, with an average of 16°C (61°F). The month experiences an average humidity of 76% and receives around 62 mm (2.5 in) of precipitation over approximately 6 days. In contrast, March sees lower temperatures, with a minimum of -3°C (27°F) and a maximum of 25°C (77°F), averaging 10°C (50°F). This month tends to be wetter, accumulating about 84 mm (3.3 in) of rain over 12 days and has slightly higher humidity at 81%. For more detailed information, check out Thessaloniki weather in March.
In comparing the weather of October and April, both months experience similar maximum temperatures, reaching up to 29°C (85°F). However, October typically enjoys a warmer average temperature of 16°C (61°F) compared to April's 14°C (57°F). Precipitation levels are also noteworthy, with October receiving 62 mm (2.5 in) over six days, while April sees slightly less at 57 mm (2.2 in) over nine days. Additionally, October has a higher humidity level at 76%, compared to April’s 71%. For more detailed information, you can check Thessaloniki weather in April.
When comparing the weather in October and May, there are notable differences in temperature and precipitation. October experiences a range of temperatures from a cooler minimum of 4°C (40°F) to a warm maximum of 29°C (85°F), with an average of 16°C (61°F). In contrast, May enjoys milder conditions, with temperatures ranging from 8°C (47°F) to a high of 33°C (91°F) and an average temperature of 19°C (67°F). Precipitation is slightly higher in May, totaling 77 mm (3.0 in) over about 10 days, compared to October's 62 mm (2.5 in) over 6 days. Both months feature high humidity, with October at 76% and May at 74%. For more details, visit Thessaloniki weather in May.
October and June present distinctly different weather patterns. October experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 16°C (61°F), while June boasts warmer conditions, starting at a minimum of 12°C (54°F) and averaging 23°C (74°F). Rainfall also varies, as October sees about 62 mm (2.5 in) over 6 days, whereas June receives more precipitation at 100 mm (3.9 in) across 13 days. Additionally, October has a higher humidity level at 76% compared to June's 63%. For a more detailed look at June weather in Thessaloniki, check out Thessaloniki weather in June.
October and July present a stark contrast in weather conditions. In October, temperatures fluctuate between a minimum of 4°C (40°F) and a maximum of 29°C (85°F), with an average of 16°C (61°F). The month experiences about 62 mm (2.5 in) of precipitation over approximately 6 days, and humidity is relatively high at 76%. In contrast, July sees much warmer temperatures, with a minimum of 16°C (61°F) and a maximum soaring to 39°C (102°F), averaging around 26°C (79°F). Although July has slightly less precipitation at 52 mm (2.1 in) over 7 days, it boasts lower humidity at 60%, making it feel much hotter. For more detailed information, you can check Thessaloniki weather in July.
In comparing the weather of October and August, it becomes clear that October experiences cooler temperatures with a minimum of 4°C (40°F) and an average of 16°C (61°F), while August is much warmer, starting at a minimum of 15°C (60°F) and averaging 26°C (80°F). The maximum temperature in August can soar up to 40°C (105°F), contrasting sharply with October's maximum of 29°C (85°F). Precipitation is slightly higher in October at 62 mm (2.5 in) over six days compared to August's 50 mm (2.0 in) over five days. Additionally, October's humidity is notably higher at 76%, compared to August's 47%. For more detailed insights on the warm summer months, you can check Thessaloniki weather in August.
In comparing the weather of October and September, October tends to be cooler overall, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 29°C (85°F). In contrast, September offers warmer conditions, with temperatures ranging from a minimum of 8°C (46°F) to a peak of 35°C (95°F). Additionally, October experiences more precipitation, totaling 62 mm (2.5 in) over 6 days, compared to September's 27 mm (1.1 in) over just 5 days. Humidity is also higher in October at 76%, whereas September has a lower level of 57%. For more detailed information, you can check Thessaloniki weather in September.
In comparing the weather of October and November, October showcases warmer temperatures with a minimum of 4°C (40°F) and an average of 16°C (61°F), peaking at 29°C (85°F). In contrast, November experiences a notable drop in temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F), reaching a maximum of 24°C (76°F). While October sees about 62 mm (2.5 in) of precipitation over 6 days, November brings increased rainfall of 80 mm (3.2 in) across 10 days, along with higher humidity levels rising to 85%. For more details, you can check Thessaloniki weather in November.
October typically offers mild weather, with temperatures ranging from a minimum of 4°C (40°F) to an average of 16°C (61°F) and a maximum of 29°C (85°F). The month experiences a moderate level of precipitation at 62 mm (2.5 in) over about 6 days, accompanied by a humidity level of 76%. In contrast, December is much colder, with temperatures dropping to a minimum of -6°C (22°F) and averaging around 7°C (45°F), reaching a maximum of 18°C (65°F). This month is wetter, with precipitation reaching 83 mm (3.3 in) over 9 days, and the humidity rises to 87%. For further details on December's conditions, you can refer to Thessaloniki weather in December.
As October rolls in, Thessaloniki experiences a delightful transition, setting itself apart from the hotter summer months. The warm maximum temperatures of around 29°C are a pleasant farewell to the summer heat, while the average chill of 16°C hints at the approaching winter. With humidity levels remaining high at 76%, the city exhibits a refreshing atmosphere, though this can lead to occasional rain—with about 62 mm of precipitation spread over a few days. This blend of warmth and moisture creates a unique autumnal charm, making October a perfect time to explore the vibrant streets of Thessaloniki. For more detailed weather information, you can visit the full guide on Thessaloniki Climate.