Last updated: April 14, 2025
Finland's climate presents a striking contrast between its frigid winter and mild summer. In January, temperatures can plunge to a chilling -35°C (-31°F) in Lapland, while July boasts warm peaks of 33°C (93°F) in Southwest Finland. Precipitation varies significantly throughout the year, with a low of 34 mm (1.3 in) in April, also in Southwest Finland, climbing to 102 mm (4.0 in) in August in Kainuu. Humidity levels fluctuate, averaging a minimum of 74% in June in Central Ostrobothnia and a staggering maximum of 101% in January in Kainuu, highlighting the diverse and dynamic weather patterns experienced across this remarkable country.
Finland's climate is characterized by distinct Köppen-Geiger climate classes, primarily featuring Dfb (humid continental climate) and Dfc (subarctic climate). Central regions, including Central Finland, Central Ostrobothnia, and Kainuu, experience the Dfc classification, marked by long, cold winters and mild summers. Meanwhile, areas like Kanta-Häme and Kymenlaakso showcase both Dfb and Dfc climates, revealing a mix of seasonal variation. Northern regions such as Lapland and North Karelia predominantly fall under the Dfc category, while southern locales, including Uusimaa and Southwest Finland, present a blend of both classifications, contributing to Finland's rich and diverse climate tapestry.
| Climate Zone | Description |
|---|---|
| Dfb | Humid continental climate with warm summers and cold winters. |
| Dfc | Subarctic climate with cold, long winters and short, mild summers. |
Finland experiences a remarkable temperature spectrum throughout the year, showcasing its diverse climate. January and February are notably frigid, with minimums plunging to -35°C (-31°F) in Lapland and -33°C (-27°F) in North Karelia, while the maximums struggle to reach 8°C (47°F) across various regions. As spring unfolds in March and April, temperatures begin to rise, peaking at a warm 22°C (72°F) in South Ostrobothnia by April, despite March still feeling the chill with lows around -31°C (-24°F). The transition to summer in May sees even more dramatic shifts, with highs soaring to 31°C (88°F) in North Karelia. The warmest months are July and August, where temperatures can reach up to 33°C (92°F), yet the air in Lapland remains refreshingly cool. As autumn approaches, the mercury dips again, with September maxing out at 25°C (76°F) in Satakunta. By November and December, the return of harsher conditions is evident, with December lows plunging to -33°C (-28°F) in Lapland, juxtaposed against milder highs, reflecting the dynamic nature of Finland's climate.
Precipitation patterns in Finland reveal a striking contrast between the seasons and regions. In the depths of winter, places like Ostrobothnia experience a relatively dry February with only 7 days of precipitation, while Kainuu sees a maximum of 16 days of rain or snow in December, highlighting the area's wintery conditions. As spring rolls in, Southwest Finland records a minimum of 34 mm of precipitation in April, signaling a gradual increase. The shift towards warmer months is marked by a significant spike in rainfall, with Kainuu experiencing its wettest month in August, accumulating as much as 102 mm—almost tripling the April totals. This data illustrates not only regional variability but also the seasonal transition from drier to wetter months across Finland, shaping the unique climate tapestry of the country.
Finland's humidity exhibits notable seasonal variability, with a marked contrast between summer and winter months. In June, Central Ostrobothnia experiences a minimum humidity of 74%, providing a refreshing atmosphere during the warmer season. Conversely, the depths of winter see Kainuu reaching an astonishing maximum humidity of 101% in January, indicative of the heavy moisture accumulation often associated with snow and ice. This stark range highlights Finland's unique climate dynamics, where crisp, cool air in the winter gives way to more comfortable, albeit still humid, conditions during the summer months. Whether you're enjoying the lush landscapes of Central Ostrobothnia or the snowy scenes of Kainuu, the humidity levels play a crucial role in shaping Finland's distinct seasonal experiences.
In examining the UV index trends across Finland during July, we observe notable differences between regions. In Lapland, the average daily maximum UV index reaches 6, while in Uusimaa, it climbs to 7. This variation highlights a rising trend in UV exposure as one moves from the northern expanses to the southern coastal areas, emphasizing the importance of sun safety measures particularly in southern Finland. As temperatures increase and summer activities peak, staying informed about these UV index levels becomes crucial for both residents and visitors aiming to enjoy the Finnish summer sun responsibly.
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In Finland, the sunshine duration reveals a dramatic shift across the seasons and different regions. For instance, in December, residents of Lapland experience a mere 6 hours of sunlight, highlighting the long, dark winters typical of the far north. Conversely, as winter fades and summer approaches, regions like Southwest Finland bask in 61 hours of sunlight in January, signaling the gradual return of brighter days. The transformation culminates spectacularly in June, when areas such as Paijat-Hame and Ostrobothnia stretch their daylight hours to 478 and 506 hours, respectively. This stark contrast showcases Finland's unique climatic rhythm, where the summer months burst with light, invigorating both the landscape and its inhabitants after the dormancy of winter.
In Finland, the likelihood of sunny weather varies dramatically throughout the year and from one region to another. For instance, in the depths of winter, the South Savo region sees a mere 1% chance of sunshine in January, casting a shadow over outdoor activities. However, as summer arrives, this trend reverses dramatically; in July, Kymenlaakso experiences a notable 58% likelihood of sunny days, inviting residents and visitors alike to bask in the warmth of the sun. This stark contrast highlights Finland's seasonal variability, encouraging residents to make the most of their fleeting summer sunshine.
Finland's daylight hours reveal a dramatic seasonal contrast, particularly evident in its northern regions. In December, North Ostrobothnia experiences a mere four hours of sunlight, highlighting the long, dark winter days that characterize much of the country. Conversely, as the summer solstice approaches in June, Lapland basks in a generous 23 hours of daylight. This remarkable variation not only underscores Finland's unique geographical position but also influences the rhythms of life, culture, and outdoor activities throughout the year.
In Central Finland, the climate showcases a striking contrast across the seasons, where winters can be harsh, with January temperatures plummeting to a frigid -30°C (-22°F) while averaging -5°C (23°F). As spring approaches, temperatures gradually climb, peaking at a comfortable 21°C (70°F) in April, which ushers in a vibrant array of blooms. Summers can be pleasantly warm, with highs reaching 33°C (92°F) in July and August, complemented by a moderate humidity that enhances the lush landscape. By autumn, the temperature starts to drop again, leading to a crisp atmosphere that witnesses colorful foliage before the onset of winter's chill. To dive deeper into the captivating climate of this region, visit Central Finland climate.
Experiencing a continental climate, Central Ostrobothnia, Finland, showcases dramatic seasonal contrasts. Winters are icy, with January temperatures plummeting to a chilling -29°C (-19°F), while the humidity hovers around an almost overwhelming 97%. As the seasons transition, summers arrive with radiant warmth, peaking at an inviting 33°C (91°F) in July, complemented by humidity levels that rise to 79%. Rainfall is present throughout the year, notably August, which sees the most at 94 mm (3.7 in), ensuring the landscape remains lush and vibrant. For more insights into the unique weather patterns of this region, visit Central Ostrobothnia climate.
The climate in Kainuu, Finland showcases a striking contrast between harsh winters and mild summers. January brings bone-chilling temperatures, often dipping to a frosty -34°C (-29°F), while the season retains a high humidity of 101%, creating a winter wonderland. As spring unfolds, temperatures gradually rise, peaking at a pleasant 20°C (68°F) by April, coinciding with an increase in rainfall that reaches its zenith in summer, where July averages 89mm (3.5 in) of precipitation. This seasonal transition is a cue for the vibrant landscape to flourish, making Kainuu a captivating place to experience the extremes of Finnish weather. For a deeper dive into the region's climate, visit Kainuu climate.
Kanta-Häme, Finland, experiences a diverse climate characterized by cold winters and mild summers. In the depths of January and February, temperatures plunge as low as -29°C (-20°F), with humidity levels often soaring to 97%, creating a chilly atmosphere that wraps the region in a frosty embrace. As spring unfolds, milder conditions bring delightful warmth, reaching up to 22°C (71°F) in April. This transition continues into the summer months, where temperatures can soar to 32°C (90°F) in July and August, accompanied by increased humidity that hovers around 80%. With precipitation peaking during the summer, Kanta-Häme’s climate offers a striking contrast throughout the year, ideal for those who appreciate the beauty of changing seasons. For more details, visit the Kanta-Häme climate.
Kymenlaakso, Finland, showcases a stark climate contrast throughout the year, with winter temperatures plunging as low as -29°C (-21°F) in February, while summers can soar to a pleasant 32°C (90°F) in July. High humidity levels, particularly in winter, often hover around 98%, enveloping the region in a chilly embrace. As the seasons transition, precipitation varies, peaking in August with 87 mm (3.4 in), which nourishes the lush landscapes. Autumn and spring provide mild, refreshing weather, creating an inviting atmosphere for outdoor exploration. Discover more about the fascinating Kymenlaakso climate and what it has to offer!
Lapland, Finland, showcases a dramatic climate that oscillates between extreme winters and surprisingly mild summers. In the heart of winter, temperatures can plummet to a chilling -35°C (-31°F), with January and December often recording 100% humidity amidst the snow-draped landscape. As spring approaches, the thermometer gradually climbs, offering average temperatures around 0°C (31°F) by April, while summer sees pleasant highs of up to 33°C (91°F) in July, making it a time for vibrant greenery and blooming wildflowers. However, with increased precipitation in the warmer months, visitors can expect a lush and lively backdrop by August, showcasing the region's stunning natural beauty. For a deeper dive into seasonal variations and weather patterns, explore the Lapland climate.
The climate in North Karelia, Finland, is characterized by its striking contrasts and dramatic seasonal changes. Winters can be brutally cold, with January and February temperatures plunging as low as -33°C (-27°F), while summer brings warmth and longer days, with average highs in July reaching up to 32°C (91°F). Humidity levels fluctuate throughout the year, peaking in the winter months at nearly 99%, contributing to the region's snowy landscapes. As for precipitation, July and August are the wettest months, averaging around 101 mm of rain, setting a vibrant backdrop for nature enthusiasts. For more detailed information, visit North Karelia climate.
North Ostrobothnia, Finland, experiences a polar climate characterized by long, harsh winters and mild summers. January and February are particularly frigid, with temperatures plunging to as low as -34°C (-28°F), while the average remains a chilling -7°C (20°F). As spring approaches, temperatures begin to rise, peaking in July with an average of 17°C (62°F) and maximums reaching 33°C (92°F). Precipitation is relatively steady throughout the year, with a notable increase in late summer, prompting lush greenery across the region. The unique blend of temperature and humidity—often around 99% in winter—creates a distinctive climate perfect for exploring the beauty of North Ostrobothnia climate.
Nestled in the heart of Finland, North Savo experiences dramatic seasonal shifts that shape its vibrant landscape. Winters are particularly intense, with January temperatures plunging to a chilly -33°C (-27°F), and the region cloaked in 99% humidity, allowing for picturesque snow-laden vistas. As spring unfolds, the average temperature rises, culminating in delightful May days that can flirt with 29°C (84°F), while summer brings warmth and a touch of humidity, with July hitting highs of 33°C (91°F). However, the lushness of summer is accompanied by significant precipitation, particularly in August, when rainfall reaches an impressive 96 mm (3.8 in). For a deeper dive into the dynamic weather patterns and climate nuances, visit North Savo climate.
The climate in Ostrobothnia, Finland offers a stark contrast between the frigid winters and the pleasantly warm summers. January and February are the coldest months, with temperatures dipping as low as -27°C (-16°F) and humidity often hovering around 94%. As spring approaches in March and April, the chill begins to lessen, giving way to milder averages, with highs reaching up to 22°C (72°F) in April. The summer months of July and August bring warmth, with temperatures peaking at 33°C (92°F) and increased precipitation, particularly in August. For a more detailed exploration of this captivating climate, visit Ostrobothnia climate.
Paijat-Hame, Finland, experiences a dramatic range of temperatures, from the icy -29°C (-20°F) in February to a warm 32°C (90°F) in July. Winters are notably frigid, with average temperatures hovering around -4°C (25°F) in January, coupled with high humidity levels that can reach a chilling 98%. As spring approaches, the thaw brings a swift transition to milder days, where April's average climbs to a pleasant 3°C (38°F). In contrast, summer embraces visitors with lush greenery and increased rainfall, peaking in July when precipitation reaches 79 mm (3.1 in). For a deeper look into this captivating climate, check out Paijat-Hame climate.
The climate in Pirkanmaa, Finland offers a fascinating range of seasonal extremes. Winters are notably cold, with January temperatures plunging as low as -29°C (-19°F), while heavy humidity—over 97%—creates a chilling atmosphere. As spring arrives, the temperatures gradually rise, peaking in pleasant May with averages around 10°C (49°F) and 56 mm of rainfall encouraging lush foliage. Summertime presents warm weather, with July reaching highs of 32°C (90°F), although the humidity can climb to 80%, making it feel even warmer. Experience the robust climate characteristics of this region through the year by exploring more at Pirkanmaa climate.
Satakunta, Finland experiences a striking contrast in climate throughout the year, with frigid winters and warm summers that mesmerize residents and visitors alike. The coldest months, January and February, see temperatures plummeting as low as -27°C (-17°F), while the summer months of June and July bring a delightful warmth, peaking at 33°C (91°F). With an average annual precipitation ranging from 42 mm (1.6 in) in the heart of winter to a humid 95 mm (3.7 in) in August, the region is a mosaic of changing weather patterns. Despite the chill, high humidity levels of around 90% in winter often create a unique, wintry atmosphere that enhances the scenic beauty of the landscapes. For a deeper look at this unique climate, visit Satakunta climate.
South Karelia, Finland, experiences a dynamic climate characterized by cold winters and pleasantly warm summers. January and February bring frosty temperatures, with lows plunging to -30°C (-22°F), while summer months like June and July boast averages around 18°C (64°F) and highs reaching 33°C (92°F). Precipitation varies throughout the year, with July and August being the wettest months, receiving up to 92 mm (3.6 in) of rain. The area's humidity is consistently high, particularly in winter, with January reaching a notable 98%, contributing to a crisp, refreshing atmosphere. For a more detailed look into the weather patterns, visit South Karelia climate.
The climate in South Ostrobothnia, Finland is characterized by its cold winters and mild summers, making it a region of striking contrasts. In the depths of winter, temperatures can plummet to as low as -30°C (-22°F) in January, while the summer months see a more pleasant average of 17°C (63°F) in July. This variability is accompanied by significant precipitation, peaking in August with 94 mm (3.7 in), ensuring lush greenery during the warmer months. Humidity remains high through winter, hovering around 96% in January and gradually declining to 74% by June, creating a crisp atmosphere. For more detailed insights into the region's weather patterns, visit South Ostrobothnia climate.
Nestled in the heart of Finland, South Savo experiences a dramatic seasonal climate that captivates visitors year-round. Winters can be harsh, with temperatures plummeting to a chilly -29°C (-20°F) in February, while summers delight with warm averages around 17°C (64°F) in July and occasional peaks touching 33°C (92°F). This region is not just about temperature; it’s also defined by its high humidity, particularly in the depths of winter, where it hovers around 98%. With an average of 81 mm (3.2 in) of rainfall in the warmest months, lush green landscapes emerge, offering a stunning contrast to the icy scenery of the colder months. For more detailed insights, explore the South Savo climate.
The climate in Southwest Finland showcases a striking contrast between the harsh winters and mild summers. January and February see temperatures plummet to minimums of -26°C (-15°F), while the average highs hover just above freezing, creating an atmosphere wrapped in lush, snowy landscapes. As spring approaches in April and May, temperatures gradually rise, peaking at a delightful 28°C (83°F) in May, along with frequent rain showers that nourish the vibrant flora. Summer months, particularly July, reach thrilling highs of 33°C (93°F), making it the warmest time of the year, with humidity that sustains the lush countryside. As the seasons shift again towards November and December, the chill returns, and the region is enveloped in a serene winter serenity, making the climate of Southwest Finland truly unique. Explore more about this captivating weather Southwest Finland climate.
Uusimaa, Finland experiences a dramatic climate that shifts from bitterly cold winters to pleasantly warm summers. In the depths of winter, January and February see temperatures plummet to an average of around -3°C (27°F), accompanied by high humidity levels of 94% and 96%, creating a frosty yet enchanting atmosphere. As spring unfolds in April and May, temperatures gradually rise, revealing highs of up to 29°C (85°F) by late May. The summer months, particularly June and July, bring warmth and the most precipitation, with rainfall peaking at 80 mm (3.2 in) in August. For a comprehensive look at Uusimaa's varied climate throughout the year, visit Uusimaa climate.
Finland's climate showcases a striking contrast between its frigid winters and mild summers, with temperatures plummeting to a chilling -35°C (-31°F) in January in Lapland and soaring to a balmy 33°C (93°F) in July in Southwest Finland. This remarkable temperature range underscores the country's diverse seasonal experiences. Rainfall patterns also reveal significant variability, ranging from a dry 34 mm (1.3 in) in April in Southwest Finland to a soggy 102 mm (4.0 in) in August in Kainuu. Additionally, humidity levels fluctuate dramatically, exhibiting lows of 74% in June in Central Ostrobothnia and reaching an extraordinary 101% in January in Kainuu. These trends highlight the extreme variability of Finland's climate, which offers both challenges and breathtaking beauty throughout the year.