Last updated: August 21, 2025
In June, Porvoo, Finland experiences a delightful blend of warm and cool weather, with maximum temperatures reaching up to 32°C (89°F), while the average hovers around 17°C (62°F). Visitors can expect a refreshing mix of conditions, with minimum temperatures dipping to 2°C (35°F) during the cooler nights. The month sees approximately 56 mm (2.2 in) of rainfall spread over 11 days, contributing to the region's lush greenery. High humidity levels at 74% create a comfortable atmosphere, making June an appealing time to explore the scenic beauty and charming architecture of this picturesque coastal town.
In June, Porvoo, Finland welcomes the warmth of summer with temperatures that reflect a significant shift from the frigid winter months. The minimum temperature rises to a mild 2°C (35°F), while the average temperature climbs to a pleasant 17°C (62°F), and highs can soar up to 32°C (89°F). This month marks a turning point, as the chill of earlier months gives way to sunshine and outdoor activities, making it an ideal time to embrace the beauty and vibrancy of this charming city. June's temperatures not only enhance the local landscape, but also invite residents and visitors alike to enjoy longer days filled with light and warmth.
In June, Porvoo experiences a slight uptick in precipitation, with an average of 56 mm (2.2 in) of rainfall spread over 11 days. This increase marks a transition into the wetter summer months, as the city prepares for the upcoming peak in July, which sees an even higher average of 71 mm (2.8 in). Interestingly, June's precipitation aligns closely with the overall trend observed in late spring, where rain levels hover around the 50 mm mark, creating a lush environment just in time for the lush greenery of summer. The steady frequency of precipitation days emphasizes a consistent pattern, contributing to the scenic landscapes that characterize Porvoo during this time of year.
In June, Porvoo, Finland experiences a decline in humidity, with levels dropping to 74%. This marks a noticeable shift from the previous months, where humidity remained consistently high, particularly in the winter with figures around 98% in January and 96% in February. As spring arrives, a gradual decrease begins, culminating in May at 75% before reaching its early summer low in June. Following this, July sees a slight uptick to 80%, suggesting a humidity rebound as the region transitions deeper into summer. Overall, June serves as a pivotal month in a distinctive seasonal cycle, highlighting Porvoo’s temperate maritime climate.
As summer approaches in Porvoo, Finland, the UV Index experiences a notable rise, particularly in June, where it reaches a high level of 7. This spike signals an increased need for sun protection, as the burn time decreases to just 25 minutes. Following a gradual ascent from the low levels seen in winter months, the index climbs from a mild UV Index of 1 in January and February to a moderate Index of 3 in March and 4 in April and May. This trend highlights the importance of adapting sun safety practices as the days grow longer and the sun becomes more intense. For a detailed overview of UV exposure in Porvoo throughout the year, check the Porvoo UV Index.
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In June, Porvoo, Finland basks in 491 hours of glorious sunlight, marking the peak of its vibrant summer days. This month showcases a remarkable increase in sunshine compared to the earlier months, rising from 451 hours in May and significantly outpacing the 361 hours recorded in April. Throughout the year, sunshine hours gradually ascend from a mere 52 hours in January, reflecting the region's transition from the darkness of winter to the brightness of summer. As July approaches, the sunny days slightly taper to 485 hours, but the warmth and light of June leave an indelible mark on the landscape, inviting both locals and visitors to embrace the enchanting charm of this historic town.
As spring transitions into summer, June brings a delightful shift in Porvoo's weather landscape, with sunny days increasingly on the horizon. With a 53% chance of sun, it marks a significant leap compared to the preceding months; after the gradual rise from a mere 5% in January to 44% in April, June offers the first real promise of sunny weather. This positive trend continues into July, which boasts an even higher chance at 57%, showcasing the vibrant allure of summer. However, as autumn sets in, the likelihood of sunny days begins to recede, dipping to 27% in August and continuing downward. Therefore, June is a particularly promising time for those seeking to soak up the sun in Porvoo, making it an ideal month for outdoor activities and exploration.
In June, Porvoo, Finland basks in an impressive 18 hours of daylight, reaching the peak of the year’s luminosity. This enchanting month showcases a remarkable trend of increasing daylight that begins in January with just 6 hours and steadily climbs month by month. By April, the days extend to 14 hours, and May welcomes an additional boost to 17 hours, setting the stage for the sunlit splendor of June. Following this radiant month, daylight begins to gradually taper off, with July still enjoying 18 hours before the gentle descent into the shorter days of late summer and autumn. The continuous increase from January to June serves as a vibrant reminder of the seasonal transformation that defines life in this picturesque Finnish city.
In June, Porvoo experiences some of its mildest winds of the year, with an average speed of just 2.7 m/s (6 mph). This marks a noticeable dip from the breezier conditions of early spring, where winds averaged around 4.0 m/s (9 mph) in March and 3.6 m/s (8 mph) in April. As the summer unfolds, the winds gradually begin to pick up again, reaching 3.1 m/s (7 mph) in July and increasing further into August. This gentle June breeze creates a serene atmosphere, perfect for enjoying the stunning waterfront views and lush landscapes that make Porvoo so enchanting during the summer months. While the wind may calm in June, the beauty of the Finnish summer is anything but still.
Weather in Porvoo varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Porvoo, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present stark contrasts in weather. In June, temperatures range from a minimum of 2°C (35°F) to a warm maximum of 32°C (89°F), with an average of 17°C (62°F). This month experiences about 56 mm (2.2 in) of precipitation over 11 days, paired with a humidity level of 74%. In contrast, January is characterized by much colder conditions, with temperatures dipping as low as -25°C (-13°F) and averaging around -3°C (27°F), peaking at 8°C (47°F). Precipitation in January is similar at 54 mm (2.1 in) over 11 days, but with a much higher humidity of 98%. For a closer look at the specific weather conditions in January, you can check out Porvoo weather in January.
In June, the weather shows a significant warmth with temperatures ranging from a chilly 2°C (35°F) at night to a pleasant average of 17°C (62°F) during the day, peaking at a maximum of 32°C (89°F). The month experiences moderate rainfall of 56 mm (2.2 in) over about 11 days, accompanied by a humidity level of 74%, making for a generally comfortable summer atmosphere.
In stark contrast, February is characterized by harsh cold, with temperatures dipping as low as -25°C (-13°F) and averaging around -4°C (25°F), only reaching a maximum of 8°C (46°F). While February sees slightly lower precipitation at 48 mm (1.9 in) over 10 days, the humidity is notably high at 96%, contributing to a damp, frigid environment. For more detailed insights into February's weather, you can visit Porvoo weather in February.
In comparing the weather between June and March, it's clear that these months present dramatically different conditions. June experiences milder temperatures, with a minimum of 2°C (35°F), an average of 17°C (62°F), and a maximum of 32°C (89°F), making it much warmer than March. Additionally, June has a lower average precipitation of 56 mm (2.2 in) over 11 days, compared to March’s 49 mm (1.9 in) over 12 days. However, March is characterized by much colder temperatures, ranging from a chilling minimum of -23°C (-10°F) to a maximum of 13°C (55°F), paired with higher humidity at 93%. For more details on March weather, visit Porvoo weather in March.
In comparing the weather of June and April, we can see a significant shift in temperatures and humidity levels. June boasts a minimum temperature of 2°C (35°F) and averages around 17°C (62°F), with highs reaching up to 32°C (89°F). In contrast, April starts off much colder, with a minimum of -14°C (7°F) and an average temperature of only 4°C (40°F), peaking at 21°C (70°F). While both months experience about 11 days of precipitation, June has slightly higher rainfall at 56 mm (2.2 in) compared to April's 48 mm (1.9 in). Additionally, June's humidity is lower at 74%, versus April's higher level of 87%, making June feel less damp. For a detailed look at April's weather, visit Porvoo weather in April.
June experiences warmer temperatures compared to May, with minimums rising from -4°C (26°F) in May to 2°C (35°F) in June, and average highs increasing from 29°C (84°F) in May to 32°C (89°F) in June. The average temperature in June reaches a comfortable 17°C (62°F), while May's average lingers at 11°C (51°F). Both months see similar levels of precipitation, with June recording 56 mm (2.2 in) over 11 days, slightly more than May's 50 mm (2.0 in) over 10 days. Humidity levels remain consistent throughout with June at 74% compared to May at 75%. For more detailed weather insights, check out Porvoo weather in May.
In June, the weather typically features a minimum temperature of 2°C (35°F) and an average of 17°C (62°F), with highs reaching 32°C (89°F). Despite relatively mild conditions, June sees about 56 mm (2.2 in) of precipitation over 11 days, resulting in a humidity level of 74%. In contrast, July experiences slightly warmer temperatures, with a minimum of 7°C (44°F), an average of 18°C (65°F), and similar maximum temperatures of 32°C (89°F). However, July also sees increased precipitation, totaling 71 mm (2.8 in) across 12 days, contributing to the higher humidity of 80%. For more detailed insights, you can check Porvoo weather in July.
In June, temperatures fluctuate from a cool minimum of 2°C (35°F) to a warm maximum of 32°C (89°F), with an average temperature of 17°C (62°F). The month experiences moderate precipitation with 56 mm (2.2 in) over 11 days and a humidity level of 74%.
In comparison, August sees a slight increase in minimum temperature at 6°C (43°F), while the average remains stable at 16°C (62°F) and maximum temperatures only drop slightly to 31°C (87°F). However, August is wetter, with 78 mm (3.1 in) of rainfall over 12 days, and higher humidity levels at 85%.
For more details, check out Porvoo weather in August.
In June, the weather is characterized by warmer temperatures, with averages reaching around 17°C (62°F) and highs of up to 32°C (89°F). However, it also experiences significant humidity of 74% and moderate rainfall, totaling 56 mm over approximately 11 days. In contrast, September ushers in cooler conditions, featuring an average temperature of 12°C (53°F) and a maximum of only 24°C (75°F). The month sees increased precipitation, with 63 mm over about 12 days, and a noticeable rise in humidity to 90%. For a more detailed look at the weather in September, check out Porvoo weather in September.
June and October offer distinctly different weather experiences. In June, temperatures range from a mild 17°C (62°F) on average, peaking at 32°C (89°F), making it a warm month with higher humidity at 74%. Rainfall is moderate, with around 56 mm (2.2 in) over approximately 11 days. In contrast, October brings much cooler temperatures, averaging just 7°C (44°F), with highs only reaching 17°C (64°F) and lows dropping to -5°C (23°F). The month is wetter, with 80 mm (3.2 in) of precipitation over about 15 days, and the humidity rises significantly to 94%. For more details, check Porvoo weather in October.
June and November present contrasting weather conditions. In June, temperatures range from a mild 2°C (35°F) at night to a warm maximum of 32°C (89°F), with an average of 17°C (62°F). Humidity is somewhat high at 74%, and the month sees about 56 mm (2.2 in) of precipitation spread over 11 days. In contrast, November brings significantly colder temperatures, with lows dipping to -8°C (18°F) and an average of only 3°C (37°F). The maximum temperature reaches a modest 12°C (54°F), while precipitation remains similar at 56 mm (2.2 in) but occurs over 12 days, accompanied by nearly 94% humidity. For more information, you can check Porvoo weather in November.
June and December present stark contrasts in weather. June typically boasts milder temperatures with a minimum of 2°C (35°F), an average of 17°C (62°F), and a maximum reaching 32°C (89°F), complemented by 56 mm (2.2 in) of precipitation over approximately 11 days and a humidity level of 74%. In contrast, December plunges into colder territory, with temperatures ranging from a chilling minimum of -20°C (-3°F) to an average of -1°C (30°F) and a maximum of 7°C (44°F). The month experiences a bit more precipitation at 73 mm (2.9 in) but over more days, totaling around 16, along with a notably high humidity of 96%. For a deeper understanding of the December climate, you can visit Porvoo weather in December.
In June, Porvoo transforms into a vibrant summer destination, showcasing a blend of warm temperatures and occasional rain. Unlike the cooler months, where temperatures linger in the low teens, June boasts an average of 17°C (62°F), providing ideal conditions for outdoor activities. However, with humidity levels reaching 74% and 11 days of precipitation, visitors should be prepared for dynamic weather. This mix of warmth and moisture differentiates June from other months, offering a unique experience for those exploring the charming landscapes of Porvoo. For more detailed information about the climate, view Porvoo Climate.