Last updated: August 21, 2025
In Naantali, Finland, July offers a delightful mix of summer warmth and occasional showers. With temperatures soaring to a maximum of 31°C (89°F) and averaging a comfortable 18°C (64°F), visitors can enjoy a variety of outdoor activities. However, a minimum temperature of 6°C (44°F) reminds us to keep a light jacket handy for cooler evenings. Expect about 75 mm (3.0 in) of precipitation spread across 11 days, contributing to the area's lush greenery. The humidity level stands at a balmy 78%, adding to the vibrant, summery ambiance of this charming coastal town.
In Naantali, Finland, July brings a welcome warmth with temperatures that typically range from a minimum of 6°C (44°F) to a delightful maximum of 31°C (89°F), showcasing the peak of summer. The average temperature hovers around 18°C (64°F), providing an ideal setting for outdoor activities and exploration. This month stands out as a significant contrast to the bitterly cold winter months, where temperatures plummet below freezing. With the gradual rise in temperatures from the chill of January through to the vibrant heat of July, it’s clear that summer is a cherished season in Naantali, inviting both locals and visitors to bask in the sunshine and enjoy the beautiful coastal landscape.
In July, Naantali experiences a noticeable uptick in precipitation, with 75 mm (3.0 in) of rain falling over 11 days. This marks a significant increase compared to the preceding months, highlighting July as one of the wetter months of the year. The trend of rising precipitation continues into August, as rainy days become more frequent, suggesting that the summer months can bring unexpected downpours. With July's rainfall contributing to the lush surroundings, it plays a critical role in sustaining the vibrant landscape typical of the Finnish summer.
In Naantali, Finland, July's humidity stands at a moderate 78%, mirroring June's slightly lower levels. This summer month marks a key transition, as the humidity begins to rise again with August reaching 79%. Observing the year as a whole, a clear trend emerges: the winter months of January and February are notably damp with humidity peaking at 92% and 90%, respectively. As the seasons change from spring to summer, humidity levels steadily decline, reaching their lowest point in May at 77%. However, they gradually ascend as autumn approaches, highlighting a rhythmic pattern in Naantali’s climate that resonates with both residents and visitors alike.
In July, Naantali experiences its highest UV Index, bustling at a level 7 categorized as high, with a burn time of just 25 minutes. This peak mirrors the UV trends seen in June, where the index also reached a level of 7. As summer progresses, the intensity of the sun becomes more pronounced, reflecting a significant increase from the moderate levels recorded in March through May. In contrast, the UV Index begins to taper off in August, returning to a more moderate level of 5, signifying a gentle shift as the summer wanes. For more detailed and updated information, check the Naantali UV Index.
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In Naantali, Finland, July brings a delightful blend of sunshine, with approximately 490 hours of glorious daylight, making it one of the sunniest months of the year. This peak follows a steady climb from the meager 63 hours in January, highlighting a remarkable transition as spring blossoms into summer. After a bustling June with 494 hours of sunlight, July maintains a close parity, just slightly dipping yet still offering ample opportunities for outdoor adventures. As the days begin to shorten in August, dropping to 423 hours, the vibrant energy of summer livens the landscape, making July the ideal time to bask in the long, radiant days of the Finnish summer.
In Naantali, Finland, the prospects for sunny weather in July are quite promising, with a 57% chance of sunshine. This marks a slight increase from June's 56%, showcasing a trend where summer continues to deliver brighter days. Notably, July stands out as one of the sunniest months of the year, significantly outpacing the gloomier winter months, which see chances as low as 10% in January. As the summer unfolds, the likelihood of sun dips again in August to 33%, hinting at the transient nature of summer bliss. Overall, July in Naantali offers a delightful promise of sunshine, perfect for enjoying the vibrant outdoor life.
In Naantali, Finland, July stands out as a remarkable month for daylight, boasting 18 hours of radiant sunshine. Following a gradual increase from just 6 hours in January, the daylight duration reaches its peak during the summer months, with July holding the same luminous status as June. This abundant light not only enhances outdoor activities but also brings a vibrant energy to the community. As the month transitions to August, daylight begins to wane, dropping to 15 hours, signaling the onset of autumn. Overall, July serves as a delightful midpoint in the year, where the long days highlight the beauty of the Finnish summer.
In July, Naantali experiences a gentle breeze with an average wind speed of 3.5 m/s (8 mph), marking a slight uptick from the softer winds of June. This month transitions from early summer's calm, as wind speeds had dipped to their annual low in June, to a more moderate conditions leading into August. Generally, the data reveals a progressive rise in wind speed as summer gives way to autumn, with October showcasing the strongest winds at 5.3 m/s (12 mph). This pattern suggests a dynamic interplay between the warmer temperatures of summer and the approaching coolness of fall, making July a delightful month to embrace the serene yet invigorating winds of Naantali.
Weather in Naantali varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Naantali, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Naantali is characterized by a pleasant average temperature of 18°C (64°F), with maximums reaching as high as 31°C (89°F) and a relatively high humidity of 78%. However, this month also sees about 75 mm (3.0 in) of precipitation over approximately 11 days, indicating a mix of sunshine and occasional showers. Conversely, January presents a stark contrast, with much colder temperatures averaging around -2°C (29°F) and maximums only hitting 8°C (47°F). The frigid conditions bring about a minimum temperature of -21°C (-6°F), accompanied by 48 mm (1.9 in) of precipitation over 9 days, coupled with higher humidity levels at 92%. For more detailed insights, check out Naantali weather in January.
In July, the weather is significantly warmer with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F) and an average of 18°C (64°F). This warm summer month experiences higher precipitation with around 75 mm (3.0 in) over 11 rainy days and humidity levels at 78%. In contrast, February brings a stark chill, where temperatures can plummet to a low of -20°C (-4°F) and peak at only 7°C (44°F), averaging around -3°C (27°F). The precipitation in February is lighter at 42 mm (1.7 in) over 8 days, accompanied by a higher humidity of 90%. For more information on February weather, you can visit Naantali weather in February.
When comparing the weather in July and March, the differences are striking. July sees a much warmer climate with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F), while March is predominantly cold, with temperatures fluctuating between a frigid -23°C (-9°F) and a maximum of only 11°C (52°F). Additionally, July experiences higher humidity at 78% compared to March's 89%, even though the latter has lower precipitation levels at 44 mm (1.7 in) over 9 days versus July's 75 mm (3.0 in) over 11 days. For more detailed insights into weather trends in March, you can check Naantali weather in March.
When comparing the weather in July and April, it's clear that July tends to be significantly warmer. July features a temperature range with a minimum of 6°C (44°F), an average of 18°C (64°F), and a maximum of 31°C (89°F). In contrast, April has much lower temperatures, with a minimum of -9°C (16°F), an average of 4°C (39°F), and a maximum of 21°C (70°F). Precipitation is more frequent in July, averaging 75 mm (3.0 in) over 11 days, compared to April's milder 32 mm (1.3 in) over 9 days. Interestingly, while July's humidity is slightly lower at 78%, April's humidity is higher at 85%. For more specific details about the weather conditions in April, you can check Naantali weather in April.
When comparing the weather in July and May, July is significantly warmer, with average temperatures reaching 18°C (64°F) and a maximum of 31°C (89°F). In contrast, May has cooler temperatures, with an average of 10°C (49°F) and a maximum of 26°C (79°F). July also experiences more precipitation at 75 mm (3.0 in) over 11 days, whereas May sees less rainfall, totaling 44 mm (1.7 in) over 9 days. Humidity levels are similar in both months, with July slightly higher at 78% compared to May's 77%. For more details on May's climate, check out Naantali weather in May.
Comparing the weather in July and June, July typically experiences warmer temperatures, with minimum temperatures around 6°C (44°F) and maximums reaching up to 31°C (89°F). In contrast, June has cooler minimums starting at 3°C (38°F) and maximums peaking at 28°C (83°F). While both months share a similar humidity level of 78%, July is wetter, receiving 75 mm (3.0 in) of precipitation over 11 days, compared to June's 43 mm (1.7 in) over just 7 days. For more details about the conditions in June, you can check Naantali weather in June.
In comparing the weather between July and August, July experiences slightly warmer temperatures with an average of 18°C (64°F) and maximums reaching 31°C (89°F). In contrast, August sees a decrease in both average and maximum temperatures, with averages around 17°C (62°F) and a peak of 28°C (83°F). Precipitation is more pronounced in August, accumulating to 87 mm (3.4 in) over 14 days, slightly higher than July's 75 mm (3.0 in) over 11 days. The humidity remains fairly consistent, with July at 78% and August at 79%. For more detailed information about the weather trends specific to August, you can refer to Naantali weather in August.
In July, the weather is significantly warmer with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F), averaging around 18°C (64°F). The month experiences 75 mm (3.0 in) of precipitation over about 11 days, with a humidity level of 78%. In contrast, September sees a notable drop in temperature, with minimums dropping to -1°C (31°F) and a maximum of 23°C (73°F), averaging 12°C (54°F). Although precipitation is slightly lower at 72 mm (2.8 in) over 12 days, humidity increases to 86%. For more information on the specific weather conditions in September, visit Naantali weather in September.
In July, the weather is much warmer, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F), accompanied by an average temperature of 18°C (64°F). This month sees around 75 mm (3.0 in) of precipitation over approximately 11 days, and humidity levels are relatively high at 78%.
In contrast, October brings a significant drop in temperature, with lows reaching -5°C (23°F) and highs only reaching up to 17°C (62°F). The average temperature during this month is just 7°C (46°F). October experiences slightly more precipitation at 86 mm (3.4 in) over about 17 days, and humidity rises to 90%, creating a much chillier atmosphere. For more detailed insights into October weather, you can visit Naantali weather in October.
In July, the weather is characterized by warm temperatures, with average highs reaching 31°C (89°F) and a pleasant humidity of 78%. This month sees around 75 mm (3.0 in) of precipitation over approximately 11 days, making it a relatively wet summer period. In contrast, November brings a dramatic shift, as temperatures drop significantly, with average highs only reaching 13°C (56°F) and lows plummeting to -8°C (17°F). While November has slightly lower precipitation at 59 mm (2.3 in) across 12 days, the humidity is notably higher at 91%, giving the month a distinct crispness. For more details on the weather specifics, you can visit Naantali weather in November.
In July, the weather is warm and inviting, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F) and an average of 18°C (64°F). While July receives about 75 mm (3.0 in) of precipitation over 11 days, the humidity sits comfortably at 78%, making it a pleasant month for outdoor activities. In stark contrast, December brings the chill of winter, with temperatures plummeting to a minimum of -18°C (-1°F), an average of 0°C (32°F), and a maximum of 7°C (45°F). Precipitation increases slightly to 79 mm (3.1 in) over 15 days, accompanied by higher humidity at 89%, creating a different atmosphere entirely. For more detailed information about December weather, check Naantali weather in December.
July in Naantali is a vibrant departure from the chill of other months, marked by warmer temperatures and the peak of summer’s luxuriant sunshine. While daytime can soar up to a pleasant 31°C, evenings remain refreshingly cool, providing a delightful contrast. However, the month does bring its share of moisture, with occasional rain showers across about 11 days, resulting in a humidity of 78%. This equilibrium creates a unique environment, perfect for enjoying both the outdoor festivities and the magical atmosphere of the Finnish summer. For more detailed insights, explore the Naantali Climate page.