July Weather in Thessaloniki, Greece

Last updated: February 6, 2025

July in Thessaloniki is characterized by warm temperatures and a lively atmosphere. With maximum highs reaching 39°C (102°F), the city experiences balmy days where average temperatures hover around 26°C (79°F), making it an ideal time for outdoor exploration. Nighttime lows dropping to 16°C (61°F) offer a refreshing reprieve. However, visitors should be prepared for occasional rain, as precipitation occurs on about 7 days of the month, totaling 52 mm (2.1 in). The humidity level stands at a comfortable 60%, ensuring that despite the heat, the city's coastal breezes provide a pleasant experience for all summer enthusiasts.

July Temperature in Thessaloniki

In July, Thessaloniki, Greece enjoys its warmest weather of the year, with temperatures reflecting a vibrant summer atmosphere. The average temperature hovers around a pleasant 26°C (79°F), while the mercury can soar to a sweltering 39°C (102°F) on particularly hot days, making it the peak of summer heat. Nighttime provides some respite with minimum temperatures around 16°C (61°F), allowing for cooler evenings ideal for outdoor exploration. This month not only marks a significant rise from the previous months but also sets the stage for the sultry heat of August, where temperatures reach their zenith. As the summer unfolds, Thessaloniki's climate invites both locals and visitors to bask in the sun or retreat to the refreshing coastal breezes.

July Weather in Thessaloniki: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Thessaloniki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394550576774797972615345
Data source: Temperature data for Thessaloniki 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.

July Precipitation in Thessaloniki

In July, Thessaloniki experiences a notable decline in precipitation compared to the earlier summer months, with 52 mm (2.1 in) of rainfall spread over just 7 days. This represents a slight drop from June's wetter conditions, which saw 100 mm (3.9 in) over 13 days. As the region transitions into late summer, the weather becomes more stable and dry, setting the stage for August, which typically averages around 50 mm (2.0 in) of precipitation. This trend highlights July as a relatively drier month, allowing residents and visitors to enjoy the city's vibrant outdoor activities without the frequent interruptions of rain.

July Precipitation Trends in Thessaloniki

The chart displays monthly precipitation patterns in Thessaloniki, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5846845777100535027628183
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Thessaloniki

In July, Thessaloniki experiences a noticeable drop in humidity, with levels reaching 60%—the lowest point of the year. This shift reflects a broader trend of decreasing humidity from January, where it peaks at a muggy 88%, gradually declining through the early summer months. By August, the humidity continues to plummet to 47%, indicating a shift towards drier conditions as the city basks in the warmth of summer. The transition from the humid spring months to the more comfortable summer season makes July an ideal time for outdoor activities, as the lower humidity levels contribute to a more enjoyable climate.

July Average Humidity in Thessaloniki

This chart illustrates the average monthly humidity levels in Thessaloniki, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%83%81%71%74%63%60%47%57%76%85%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Thessaloniki

In July, Thessaloniki experiences a very high UV Index of 9, with a burn time of just 15 minutes—a slight decrease from June's peak of 10. This month marks one of the sunniest periods of the year, making skin protection essential for both locals and visitors. Compared to earlier months, where the UV Index climbs from a moderate 3 in January to a high of 6 in March, the intensity of sunlight during the summer months underlines the significance of staying vigilant against overexposure. As the summer lingers, maintaining awareness of the UV levels remains crucial for safe sun enjoyment. For more detailed information on the UV levels throughout the year, check out the Thessaloniki UV Index.

Maximum UV Index Levels in Thessaloniki for July

The chart shows the monthly maximum UV Index (UVI) for Thessaloniki in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997642
Data source: Thessaloniki July 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.

July Sunshine in Thessaloniki

July brings a radiant burst of sunshine to Thessaloniki, with an impressive 424 hours of sunlight—its highest point of the year. This vibrant month follows a progressive climb from the winter months, where daylight lingers for only 188 hours in January. As spring unfolds, sunshine steadily increases, peaking in the warmth of summer. While August enjoys a generous 395 hours, the sun begins to wane slightly, signaling the transition towards a more moderate autumn. The overall trend reveals a lively summer that not only brightens the city but also draws both locals and visitors outdoors, celebrating the long, sun-soaked days.

Monthly Sunshine Duration in Thessaloniki: July Highlighted

The July sunshine duration represents the total number of hours Thessaloniki experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec188h230h301h336h396h402h424h395h346h292h227h222h
Data source: Thessaloniki July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Thessaloniki During July

July in Thessaloniki, Greece, heralds a significant increase in the likelihood of sunny weather, boasting a 79% chance of sunshine. This upward trend starts in the summer months, with June already enjoying a 66% likelihood and August peaking slightly higher at 80%. As the year progresses from the gray winter months—where January offers only 40% sunlight—toward the vibrant summer, residents and visitors alike can anticipate an almost guaranteed sunny backdrop by July. This consistent rise in sun chances throughout the warmer months not only makes July an ideal time for outdoor activities but also exemplifies Thessaloniki’s transition from the cooler season's uncertainty to the delightful embrace of Mediterranean sunshine.

Percentage of Sunny Days in July in Thessaloniki

The chart illustrates the percentage of sunny days in Thessaloniki throughout the year, with July 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 Thessaloniki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%51%51%51%58%66%79%80%53%43%31%49%
Data source: Thessaloniki July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Thessaloniki in July

In July, Thessaloniki basks in approximately 14 hours of daylight, making it one of the sunniest months of the year. Following a steady increase from 9 hours in January to 15 hours in June, daylight peaks in the summer before gently tapering off in August. This trend highlights a vibrant progression of longer days as spring gives way to summer, with the warmth and brightness invigorating the city’s atmosphere. As the seasons transition, the gradual reduction in daylight hours reminds us of the natural rhythm of time, shifting from the sun-soaked days of July to the more moderate light of autumn.

Average Daylight Hours in Thessaloniki for July

The chart illustrates the variation in daylight duration in Thessaloniki throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 57m13h 18m14h 27m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 17m
Data source: Thessaloniki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Thessaloniki

In July, Thessaloniki enjoys a gentle breeze with an average wind speed of 2.1 m/s (5 mph). This slight uptick from the previous months reflects a subtle trend of increasing wind as summer peaks. While the winds are not particularly strong, they offer a refreshing quality against the warm Mediterranean sun. Compared to August's dip to 1.9 m/s (4 mph), July stands out as one of the more favorable months for those seeking a comfortable outdoor experience. As the summer advances, the winds gradually soften, creating a tranquil atmosphere perfect for exploring the vibrant streets and coastal allure of this historic city.

Average July Wind Speed in Thessaloniki

The chart displays monthly wind speed patterns in Thessaloniki, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.02.32.02.32.02.1 m/s1.91.81.81.72.4
Data source: Thessaloniki July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Thessaloniki Compares to Other Months

The weather in Thessaloniki changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Thessaloniki and find detailed weather information for every month.

In July, Thessaloniki experiences warm and humid weather, with temperatures ranging from a mild 16°C (61°F) at night to a scorching high of 39°C (102°F) during the day, averaging around 26°C (79°F). Precipitation is relatively low, with about 52 mm (2.1 in) falling over approximately seven days. In contrast, January brings a stark chill, with temperatures dipping as low as -10°C (14°F) and averaging only 4°C (39°F), peaking at 18°C (65°F). January sees slightly more rainfall than July, with 58 mm (2.3 in) spread over about eight days, accompanied by a higher humidity level of 88%. For more insights into January weather, you can check Thessaloniki weather in January.

In comparing the weather of July and February, we see a striking contrast in temperatures and overall climate. July boasts a warm range with minimums of 16°C (61°F) and maximums reaching up to 39°C (102°F), making it the height of summer. In contrast, February presents a much cooler climate, with temperatures dipping as low as -5°C (23°F) and peaking at 20°C (68°F). Precipitation levels are relatively similar, with July seeing 52 mm (2.1 in) over 7 days and February recording 46 mm (1.8 in) over 8 days. Interestingly, February experiences higher humidity at 83%, compared to July's 60%. For more details about weather specifics in February, you can check out Thessaloniki weather in February.

In July, temperatures in Thessaloniki soar, with minimums around 16°C (61°F) and highs reaching up to a sweltering 39°C (102°F), resulting in an average temperature of 26°C (79°F). Despite the warmth, July experiences moderate precipitation of 52 mm over approximately 7 days, along with a humidity level of 60%.

In contrast, March presents a much cooler climate, with minimum temperatures dropping to -3°C (27°F) and an average of only 10°C (50°F), while highs can reach 25°C (77°F). This month sees higher precipitation levels at 84 mm over about 12 days and a humidity level of 81%. For more detailed information about the weather during March, you can check Thessaloniki weather in March.

When comparing the weather in July and April, it’s evident that July experiences significantly warmer temperatures, with an average of 26°C (79°F) and highs reaching up to 39°C (102°F). In contrast, April's temperatures are much cooler, averaging around 14°C (57°F) and peaking at 29°C (85°F). Despite July having slightly less rainfall at 52 mm (2.1 in) over 7 days, it also has lower humidity at 60%. April, on the other hand, sees a bit more precipitation at 57 mm (2.2 in) across 9 days and higher humidity levels at 71%. For more details on April's climate, visit Thessaloniki weather in April.

When comparing the weather in July and May, a notable difference in temperatures can be observed. July features a warmer climate with minimum temperatures of 16°C (61°F) and daily averages reaching 26°C (79°F), peaking at a scorching 39°C (102°F). In contrast, May has more moderate temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), peaking at 33°C (91°F). Additionally, July tends to be drier, experiencing 52 mm of precipitation over an average of 7 days, while May is slightly wetter with 77 mm of rainfall spread over 10 days, indicating higher humidity at 74%. For more detailed information on May’s weather, you can check Thessaloniki weather in May.

In comparing the weather between June and July, July experiences higher average temperatures, with a range from a minimum of 16°C (61°F) to a maximum of 39°C (102°F), while June ranges from 12°C (54°F) to 38°C (101°F). Precipitation is notably lower in July, with only 52 mm (2.1 in) over 7 days, compared to June's more substantial 100 mm (3.9 in) over 13 days. Humidity levels are relatively similar, with July averaging 60% and June slightly higher at 63%. For a more detailed look at June's climate, you can check Thessaloniki weather in June.

July and August in Thessaloniki present similar warm conditions, though with some noteworthy differences. July experiences a minimum temperature of 16°C and a maximum of 39°C, while August sees slightly lower minimums at 15°C and peaks at 40°C. Both months have an average temperature around 26°C, but August tends to be drier with slightly less precipitation (50 mm) over fewer days (5 days) compared to July's 52 mm over 7 days. Additionally, August offers lower humidity levels at 47%, providing a more comfortable feel during the heat. For more detailed insights, you can refer to Thessaloniki weather in August.

In comparing the weather between July and September, July typically presents a much warmer climate, with average temperatures reaching 26°C (79°F) and maximums soaring up to 39°C (102°F). In contrast, September sees cooler conditions, with average temperatures dropping to 22°C (72°F) and maximums at 35°C (95°F). Additionally, July experiences more precipitation, totaling 52 mm (2.1 in) over 7 days, whereas September has only 27 mm (1.1 in) of rain across 5 days. Humidity levels are relatively similar, with July at 60% and September slightly lower at 57%. For more specific details, you can check Thessaloniki weather in September.

July and October present distinct weather patterns that highlight the transition from summer to autumn. In July, temperatures soar with a minimum of 16°C (61°F) and an average of 26°C (79°F), reaching a sweltering maximum of 39°C (102°F). With 52 mm (2.1 in) of precipitation over 7 days, the month maintains a moderate humidity of 60%.

In contrast, October experiences a cooler climate, with temperatures decreasing to a minimum of 4°C (40°F), averaging 16°C (61°F) and peaking at 29°C (85°F). Though it sees slightly higher precipitation at 62 mm (2.5 in) over 6 days, humidity rises to 76%, contributing to a more brisk atmosphere. For further details, check Thessaloniki weather in October.

July and November present starkly contrasting weather patterns. In July, temperatures are warm, with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at a hot 39°C (102°F). The month experiences moderate humidity at 60% and relatively low precipitation totaling 52 mm (2.1 inches) over about 7 days. In contrast, November sees significantly cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F), while highs reach a milder 24°C (76°F). The precipitation increases to 80 mm (3.2 inches) occurring over 10 days, alongside higher humidity levels at 85%. For a closer look at weather specifics in this month, check Thessaloniki weather in November.

In comparing the weather of July and December, we see a dramatic shift in temperatures and conditions. July enjoys warm days with an average temperature of 26°C (79°F), peaking at a scorching 39°C (102°F), while December experiences much colder weather, with average temperatures hovering around 7°C (45°F) and nighttime lows dropping to -6°C (22°F). Precipitation is higher in December at 83 mm (3.3 in) over 9 days compared to July's 52 mm (2.1 in) over 7 days, and the humidity also rises significantly in December to 87% compared to July's 60%. For more detailed information, check out Thessaloniki weather in December.

Compare Thessaloniki's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Thessaloniki

July in Thessaloniki brings hot and vibrant weather, setting it apart from other months. With average temperatures soaring to 26°C (79°F) and peak highs reaching a sizzling 39°C (102°F), the heat truly defines this summer month. Unlike the cooler and wetter conditions experienced in spring and autumn, July enjoys relatively low precipitation, with only 7 rainy days throughout the month, contributing to a 60% humidity that can make the warmth feel even more intense. This dry spell invites both locals and tourists to indulge in the city's lively atmosphere, making it the perfect time to explore Thessaloniki's rich culture and stunning coastline. For more detailed insights on what to expect throughout the year, explore our comprehensive guide on Thessaloniki Climate.