Last updated: August 21, 2025
Experience the charm of Naantali, Finland in June, where the temperature dances between 3°C (38°F) and a warm 28°C (83°F), with an inviting average of 16°C (61°F) that beckons outdoor adventures. The month brings a gentle 43 mm (1.7 in) of rain over 7 days, nurturing the lush landscapes and adding to the picturesque scene. With humidity levels around 78%, the air is refreshingly crisp, making it an ideal time to explore the beauty of this coastal gem. Whether soaking in the sun or enjoying the serene atmosphere, June in Naantali promises delightful experiences for all.
In June, Naantali, Finland, begins to shed its winter chill, welcoming warmer temperatures that usher in the joys of summer. The month opens with a minimum of 3°C (38°F), rising to an inviting average of 16°C (61°F), and peaks at a delightful 28°C (83°F). This gradual ascent from the lingering cold of earlier months is a clear indication of the transition to a vibrant and pleasant season, offering plenty of opportunities for outdoor activities. With each passing day, residents and visitors alike can bask in longer daylight hours and increasingly comfortable weather, making June a perfect time to explore Naantali’s beautiful landscapes and enjoy its rich cultural heritage.
In Naantali, Finland, June experiences a moderate precipitation level of 43 mm (1.7 in), consistent with the spring months that precede summer. This rainfall occurs over approximately 7 days, suggesting a shift towards drier conditions as the region transitions into July. Interestingly, the precipitation not only remains stable when compared to May but also hints at a more hopeful outlook for the summer, revealing the gradual increase in humidity and lushness that characterizes the season. As the year unfolds, July sees a significant rise in both precipitation amount to 75 mm (3.0 in) and the number of precipitation days to 11, marking the start of a wetter phase in Naantali's climate.
In Naantali, Finland, June marks a subtle shift in humidity levels, with an average of 78%, a slight decrease from May's 77%. This transition reflects a broader trend of decreasing humidity from the heavy moisture of winter, where January boasts a staggering 92%. As spring unfolds, humidity gradually tapers off, reaching its lowest point in the warmth of mid-summer in July, where it remains steady. The post-summer months see a resurgence in humidity, particularly in early autumn, when levels climb back to 86% by September. This pattern highlights the rhythmic ebb and flow of moisture throughout the year, creating a unique climate experience in Naantali.
As summer approaches in Naantali, Finland, the UV Index steadily climbs, reaching 7 in June, marking a transition into the high exposure category. This signifies a notable increase from the moderate levels observed in the previous months, where the burn time shrank to just 25 minutes for those soaking up the sun. Typically, May's moderate index of 5 served as a precursor to the more intense sunlight that June brings. As outdoor activities become more popular, it's crucial to stay informed about sun safety to fully enjoy the vibrant summer days ahead. For more details on UV levels throughout the year, visit Naantali UV Index.
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In June, Naantali basks in a delightful 494 hours of sunshine, highlighting the peak of the region's radiant summer. This month continues the upward trend from the previous months, with sunlight steadily increasing from just 63 hours in January to a remarkable 458 hours in May. Following June, the sun begins to set earlier as July records slightly less sunshine at 490 hours, but overall, the summer months create a vibrant atmosphere filled with warmth and light. As the days grow shorter in the subsequent months—August offering 423 hours and September 315 hours—the joyous essence of summer is unmistakably preserved in the hearts of Naantali's residents, inviting both locals and visitors to embrace the beauty of long, sunlit days.
In June, Naantali, Finland, enjoys a promising 56% chance of sunny weather, marking a notable increase compared to the earlier months of the year. As spring transitions into summer, the likelihood of sunshine rises significantly from 52% in April and peaks just slightly higher in July at 57%. This upward trend is a welcome change after the long, darker winter months, and it sets an optimistic tone for outdoor activities and explorations in this picturesque coastal town. With summer just around the corner, June stands out as a delightful time to soak in the natural beauty and vibrant atmosphere of Naantali.
In Naantali, Finland, the month of June marks a delightful peak in daylight duration, basking in nearly 18 hours of sunlight each day. This remarkable increase follows a gradual ascent from the 6 hours in January, allowing residents to embrace longer and brighter days as spring transitions into summer. The progression is evident as March and April witness a steady climb to 11 and 14 hours respectively, culminating in the longest days of the year. Following June, daylight begins to taper off with July still offering 18 hours, but then the gradual decline begins, dropping to 15 hours in August. This seasonal rhythm not only enhances outdoor activities but also fosters a sense of vitality as the natural landscape flourishes under the generous summer sun.
In June, Naantali experiences a gentle breeze, with an average wind speed of 3.3 m/s (7 mph), marking the year's lowest wind rates. This calmness is a noticeable shift from the slightly higher speeds in the spring months, where March and April dipped into 4.5 m/s and 4.1 m/s respectively. As the summer approaches, subsequent months like July and August bring a slight increase, settling at 3.5 m/s and 4.1 m/s, indicating a trend of increasing breeziness as the season matures. This seasonal variation not only adds to the charm of Naantali's picturesque summer but also reflects the dynamic nature of its coastal climate. As we transition into the latter part of the year, wind speeds rise again, culminating in a notable uptick in October to 5.3 m/s (12 mph), showcasing how Naantali breathes and changes with the seasons.
Weather in Naantali varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Naantali, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present starkly contrasting weather conditions. In June, temperatures typically range from a mild 3°C (38°F) at their lowest to a warm 28°C (83°F) at their highest, with an average of 16°C (61°F). The month sees about 43 mm (1.7 in) of precipitation over approximately 7 days, accompanied by a relatively comfortable humidity level of 78%. In contrast, January is characterized by much colder temperatures, with lows plunging to -21°C (-6°F) and a maximum of only 8°C (47°F), averaging around -2°C (29°F). It experiences slightly higher precipitation at 48 mm (1.9 in) over 9 days, with humidity peaking at 92%. For those interested in a detailed look at January conditions, you can find more information here: Naantali weather in January.
When comparing the weather in June and February, there is a stark contrast in temperatures and overall conditions. June boasts a much milder climate, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), while February experiences frigid conditions, where temperatures can drop as low as -20°C (-4°F). Both months see similar levels of precipitation, with June receiving 43 mm (1.7 in) over 7 days and February slightly lower at 42 mm (1.7 in) over 8 days. However, February has a higher humidity level at 90%, compared to June's 78%, contributing to the chill in the air. For more detailed information on Naantali's February weather, you can visit Naantali weather in February.
When comparing the weather in June and March, the differences are striking. June features a milder climate, with temperatures ranging from a chilly 3°C (38°F) at night to a pleasant 28°C (83°F) during the day, while March is much colder, with temperatures plummeting as low as -23°C (-9°F) and only reaching an average maximum of 11°C (52°F). Both months experience similar levels of precipitation, around 44 mm (1.7 in), but June sees it spread over fewer days (7) compared to March (9). Additionally, humidity levels are high in both months, with June at 78% and March slightly higher at 89%. For a more detailed look at the conditions in March, you can explore Naantali weather in March.
June and April present notably different weather patterns. In June, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F). This month also sees a moderate amount of precipitation at 43 mm (1.7 in) over about 7 days, accompanied by a humidity level of 78%. In contrast, April experiences cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 21°C (70°F), leading to an average of only 4°C (39°F). While April has slightly lower total precipitation of 32 mm (1.3 in), it lasts for 9 days and features higher humidity at 85%. For more detailed insights, you can visit Naantali weather in April.
In comparing the weather between May and June, we observe a noticeable warming trend as June features a minimum temperature of 3°C (38°F) and an average of 16°C (61°F), while May sees a lower minimum of -4°C (26°F) and an average of 10°C (49°F). Both months are similar in terms of maximum temperature, with June reaching up to 28°C (83°F) and May peaking at 26°C (79°F). Precipitation levels are quite comparable, with June receiving 43 mm (1.7 in) over 7 days and May having 44 mm (1.7 in) over 9 days, reflecting similar humidity levels at around 78% for June and 77% for May. For more detailed insights, you can visit Naantali weather in May.
June and July exhibit a noticeable shift in weather patterns, primarily characterized by rising temperatures and increased precipitation. In June, the temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 16°C (61°F). The month sees 43 mm (1.7 in) of precipitation over 7 days, coupled with a humidity level of 78%. In contrast, July experiences higher temperatures, with a minimum of 6°C (44°F), an average of 18°C (64°F), and a maximum of 31°C (89°F). However, it also brings increased rainfall, totaling 75 mm (3.0 in) over 11 days, while maintaining the same humidity level of 78%. For more specific details on July weather, you can check Naantali weather in July.
In June, temperatures in Naantali range from a chilly minimum of 3°C (38°F) to a pleasant maximum of 28°C (83°F), with an average of 16°C (61°F). The month sees around 43 mm (1.7 in) of precipitation over approximately 7 days, accompanied by a humidity level of 78%. In contrast, August experiences slightly warmer minimum temperatures starting at 6°C (43°F) and maintains a comparable maximum of 28°C (83°F), with an average of 17°C (62°F). However, this month has higher precipitation, totaling 87 mm (3.4 in) over about 14 days, and a slightly increased humidity of 79%. For more detailed information, you can check Naantali weather in August.
June typically offers warmer temperatures compared to September, with average highs reaching up to 28°C (83°F) and lows around 3°C (38°F). In contrast, September sees cooler temperatures, with average highs of 23°C (73°F) and even dipping to as low as -1°C (31°F). Additionally, June experiences less precipitation at 43 mm (1.7 in) over approximately 7 days, while September brings more rain, totaling 72 mm (2.8 in) across 12 days. The humidity also increases slightly in September, averaging 86% compared to June’s 78%. For more detailed weather information, check out Naantali weather in September.
June and October present contrasting weather patterns. In June, temperatures range from a mild 3°C (38°F) at night to a warm 28°C (83°F) during the day, with an average of 16°C (61°F). The month experiences relatively low precipitation, with about 43 mm (1.7 in) over 7 days and humidity at 78%. In stark contrast, October brings cooler temperatures, with nighttime lows dipping to -5°C (23°F) and daytime highs reaching only 17°C (62°F), averaging around 7°C (46°F). This month also sees significantly higher precipitation at 86 mm (3.4 in) over 17 days, along with increased humidity at 90%. For more details on October weather in Naantali, visit Naantali weather in October.
June and November present contrasting weather patterns, with June enjoying milder temperatures and more sunshine, while November ushers in colder conditions and increased precipitation. In June, the temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 28°C (83°F), accompanied by an average of 16°C (61°F) and a relatively low precipitation of 43 mm (1.7 in) over about 7 days. In stark contrast, November experiences much chillier weather, with temperatures dipping as low as -8°C (17°F) and averaging only 4°C (39°F). Additionally, November sees a higher precipitation rate of 59 mm (2.3 in) spread over 12 days, and it also comes with higher humidity levels at 91%. For a closer look at November weather specifics, you can refer to this link: Naantali weather in November.
In June, the weather is mild and pleasant, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). The month sees relatively low precipitation at 43 mm (1.7 in) over about 7 days, along with a humidity level of 78%. In contrast, December is significantly colder, with temperatures dropping to a minimum of -18°C (-1°F), averaging around 0°C (32°F), and peaking at 7°C (45°F). This month experiences much higher precipitation at 79 mm (3.1 in) spread over 15 days and increased humidity at 89%. For a detailed look at December weather in this region, you can visit Naantali weather in December.
As June arrives in Naantali, the weather experiences a delightful transformation, marking a significant departure from the colder months. With temperatures rising, this month boasts pleasantly warm days where the mercury can reach up to 28°C (83°F), while evenings remain refreshingly cool. The average temperature settles around 16°C (61°F), providing a balance that beckons outdoor activities. Although June does see about 43 mm (1.7 in) of precipitation over approximately 7 days, the lush greenery that emerges is well worth the occasional showers. With humidity levels hovering around 78%, the air feels invigorating, making it the perfect time to explore all that Naantali has to offer. For a deeper understanding of the weather patterns throughout the year, check out Naantali Climate.