Central Ostrobothnia Climate

Last updated: January 18, 2025

Central Ostrobothnia, Finland, is characterized by a Dfc Köppen-Geiger climate, which reflects its distinct seasonal variations. This region experiences extreme temperature fluctuations, with a harsh minimum plummeting to -30°C (-22°F) in March, while the summer peak can soar to a remarkable 33°C (92°F) in August. The average temperature hovers around 4°C (40°F), indicative of a climate that is both challenging and rich in biodiversity, shaping the lifestyle and activities of its inhabitants throughout the year.

Central Ostrobothnia temperature by month

In Central Ostrobothnia, Finland, temperature patterns exhibit a pronounced seasonal divide, with harsh winters giving way to warmer summers. January and February are characterized by frigid conditions, recording minimum temperatures that drop to -30°C (-22°F) and averaging around -6°C (21°F). As March arrives, slight warming begins, culminating in a peak max of 12°C (54°F). The transition into spring sees temperatures rising more markedly in April, where highs can reach 22°C (71°F). May signals the onset of summer, with averages climbing to 8°C (47°F) and maximums up to 29°C (84°F). The summer months of June and July are the warmest, boasting temperatures that can reach 33°C (91°F), before tapering off in August. By September, a gradual cooling trend resumes, leading into the colder months, with December ending the cycle with lows of -24°C (-11°F). This cyclical pattern highlights the region's pronounced seasonal shifts and the challenges of climate adaptation.

Monthly Temperatures in Central Ostrobothnia, Finland

The chart illustrates Central Ostrobothnia's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec222027364759625849403226
Data source: Central Ostrobothnia temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

Toholampi experiences a minimum temperature of -28°C (-18°F) in March and a maximum of 31°C (88°F) in August, as detailed in monthly temperatures in Toholampi. In comparison, Kannus has a slightly colder minimum of -30°C (-22°F) in March and a peak temperature of 32°C (90°F) in August, outlined in monthly temperatures in Kannus. Kokkola lies in between, with March's minimum at -29°C (-19°F) and a summer maximum of 32°C (90°F) in July, as noted in monthly temperatures in Kokkola.

Precipitation Patterns in Central Ostrobothnia

Central Ostrobothnia experiences a varied precipitation pattern throughout the year, with notable increases during the summer months. January and February are relatively dry, receiving 38 mm (1.5 in) and 40 mm (1.6 in) respectively, while precipitation remains consistent in March and April, both registering 40 mm (1.6 in) and 42 mm (1.6 in). As the region transitions into late spring, precipitation begins to rise, with May recording 60 mm (2.3 in). The late spring and summer months of June and July see a further uptick, culminating in a peak rainfall of 72 mm (2.8 in) in July, which is often accompanied by a marked increase in the number of rainy days.

August continues this trend with 94 mm (3.7 in), followed by September's 77 mm (3.0 in), as the region begins to prepare for the autumn season. October marks a significant increase in total precipitation at 86 mm (3.4 in), and while November and December taper off, they still contribute notably with 59 mm (2.3 in) and 49 mm (1.9 in), respectively. With rainfall frequency peaking at 15 days in August, Central Ostrobothnia's climate not only shapes the local flora and fauna but also dictates the cultural activities of its residents throughout the year.

Monthly Average Precipitation in Central Ostrobothnia, Finland

The average monthly precipitation in Central Ostrobothnia, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec384040426056729477865949
Data source: Central Ostrobothnia precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Central Ostrobothnia

In Central Ostrobothnia, Finland, sunshine duration exhibits a clear seasonal pattern, reflecting the dramatic changes in daylight experienced throughout the year. The winter months are marked by significantly reduced sunlight, with January providing merely 35 hours of sunshine, which drops even lower to 31 hours in December. As February approaches, a noticeable surge occurs, presenting 138 hours of sunshine. This upward trend continues into the spring, where March enjoys 268 hours, and April shines even brighter with 353 hours. The increasing warmth of approaching summer not only brings milder temperatures but also a substantial boost in sunlight.

Summer months peak in sunshine duration, with June leading the way at 505 hours, followed closely by July at 486 hours. This abundance of daylight supports vibrant ecosystems and outdoor activities, making these months particularly cherished by residents and visitors alike. However, as the season begins to transition into fall, sunshine hours gradually decline, dropping to 409 hours in August and further to 264 hours in September. By the time October arrives, only 166 hours of sunlight can be expected, culminating in the dimmest months of November and December, where hours once again fall below a hundred. This cyclical rhythm not only defines the climate of Central Ostrobothnia but also shapes the cultural and recreational life of its inhabitants.

Monthly Sunshine in Central Ostrobothnia, Finland

Monthly sunshine duration represents the total hours of direct sunlight Central Ostrobothnia receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec35h138h268h353h438h505h486h409h264h166h75h31h
Data source: Central Ostrobothnia sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Central Ostrobothnia UV Index Trends

The UV Index in Central Ostrobothnia, Finland, highlights significant seasonal variations in ultraviolet radiation exposure, directly influencing outdoor activities and health precautions. During the winter months of January and February, the UV Index remains low at 1, indicating minimal risk for harm and a safe burn time of 45 minutes. As spring arrives, the UV Index gradually rises, peaking at 3 in March and reaching 4 in April. This transition informs residents that moderate care is needed, particularly as the burn time decreases to 30 minutes during these months. By May, the Index elevates further to 5, underlining the necessity for protective measures during outdoor activities as summer approaches.

In June and July, the UV Index peaks at 6, categorized as high, which requires more vigilant sun safety practices due to a burn time of just 25 minutes. As summer wanes in August, the UV Index drops slightly to 5, but adequate precautions should still be taken, with a maintained burn time of 30 minutes. With the arrival of autumn, the UV Index decreases again to 3 in September and is further reduced to 2 in October. The colder months of November and December return to a low UV Index of 1, echoing the conditions experienced earlier in the year. Understanding these fluctuations is crucial for residents to protect themselves against potential sun damage while enjoying the beautiful Finnish outdoors.

Monthly Maximum UV Index for Central Ostrobothnia, Finland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Central Ostrobothnia. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Central Ostrobothnia UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Central Ostrobothnia

In Central Ostrobothnia, Finland, daylight duration fluctuates dramatically throughout the year, reflecting the region's high latitude. January offers only 5 hours of daylight, a mere whisper of sunlight that gradually increases to 8 hours in February as the days lengthen, signaling the gradual return of light. By March, daylight extends to 11 hours, and by April, it reaches a more substantial 15 hours. The arrival of May heralds even longer days with 18 hours of daylight, setting the stage for the approach of summer, when June boasts an impressive 20 hours of daylight, providing ample time for outdoor activities and social gatherings.

As summer transitions into autumn, daylight begins to recede, with July experiencing a slight decrease to 19 hours. In August, daylight continues to diminish, offering 16 hours as days shorten further into September with 12 hours. October brings a more significant reduction to 9 hours, followed by November with 6 hours of daylight, and finally December, where daylight slips to just 4 hours. This cyclical pattern of daylight variation not only shapes the natural environment and ecosystems but also influences the daily lives and cultural practices of the residents, highlighting a beautiful yet challenging aspect of life in Central Ostrobothnia.

Average Monthly Daylight Hours in Central Ostrobothnia, Finland

This chart shows the total daylight hours Central Ostrobothnia receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec340h517h709h904h1098h1227h1154h968h774h582h394h274h
Data source: Central Ostrobothnia daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Central Ostrobothnia's Popular Destinations

Halsua, Finland experiences a subarctic climate characterized by long, cold winters and short, mild summers. January temperatures can plummet to a minimum of -27°C (-17°F), while July peaks at around 31°C (88°F). Precipitation is fairly distributed throughout the year, with a notable increase in late summer, peaking at 94 mm (3.7 in) in August. Sunshine hours vary significantly, with a substantial increase from just 34 hours in January to a peak of 500 hours in June. For more detailed information, see Halsua climate.

Kaelviae, Finland experiences a diverse climate characterized by cold winters and mild summers. January and February see minimum temperatures dropping as low as -28°C (-18°F), while July can peak at a warm 32°C (90°F). Precipitation ranges from 37 mm in January to 98 mm in August, with summer months receiving the highest rainfall. Sunshine hours increase significantly from 35 in January to a peak of 506 in June, providing a vibrant summer atmosphere. For more details on the climate, visit Kaelviae climate.

The climate in Kannus, Finland, features cold winters and mild summers. January temperatures can plunge to as low as -29°C (-19°F), while July sees averages around 17°C (63°F), with maximums reaching 32°C (90°F). Precipitation peaks in August at 101 mm (4.0 in), contributing to a relatively humid summer, and sunshine is abundant during the long days of June, with 514 hours of sunlight. Conversely, January offers only 35 hours of sunshine, highlighting the stark contrast between seasons. For more details, visit Kannus climate.

Kaustinen, Finland experiences a starkly varied climate throughout the year. Winters are harsh, with average January temperatures around -5°C (23°F) and heavy snowfall, while summer months see warmer averages of 17°C (62°F) to 15°C (59°F) in July and August, respectively. Precipitation is notable, peaking in August with 92 mm (3.6 in) and generally increasing toward the late summer. Sunshine hours gather momentum from winter's low of 35 hours in January to a peak of 506 hours in June. For more detailed information, visit Kaustinen climate.

Kokkola, Finland experiences a diverse climate with distinct seasons. Winter months, particularly January and February, can be extremely cold with minimum temperatures reaching -28°C (-18°F) and an average of -6°C (22°F). The summer months, especially June and July, are much milder with average temperatures around 17°C (63°F) and highs of 32°C (90°F). Precipitation peaks in August with 95 mm (3.7 in), while sunshine hours are greatest in June, totaling 507 hours. For more detailed weather trends, visit Kokkola climate.

Lestijaervi, Finland experiences a stark climate characterized by cold winters and warm summers. January and February are the coldest months, with temperatures ranging from -29°C to 6°C, while July often sees highs around 31°C. Precipitation varies throughout the year, peaking in August at 94 mm, contributing to lush summer greenery. Sunshine is abundant in the summer months, particularly in May and June, with over 400 hours of sunlight, while winter months receive significantly less, underlining the seasonal contrast. For more detailed information, visit Lestijaervi climate.

Lohtaja, Finland experiences a diverse climate marked by cold winters and mild summers. January and February are particularly frigid, with average temperatures around -6°C (21°F) and minimal sunshine, while July sees warmer temperatures peaking at 33°C (91°F) and ample sunshine. Precipitation is fairly consistent throughout the year, with the wettest months being July and August, receiving up to 92 mm (3.6 in). The transition from winter to summer brings a notable increase in daylight, peaking in June with over 500 hours of sunshine. For more detailed information, visit Lohtaja climate.

Perho, Finland experiences a stark continental climate with cold winters and mild summers. January temperatures can plummet to -28°C (-19°F), while July sees averages around 16°C (62°F). Precipitation peaks in late summer and autumn, particularly in August with 95 mm (3.7 in). The sunshine hours vary significantly, from a mere 30 hours in December to a maximum of 494 hours in June, contributing to the short and bright summer days. For more detailed information, visit Perho climate.

Toholampi, Finland experiences a diverse climate with cold winters and mild summers. January temperatures can plummet to a minimum of -27°C, while July peaks at a comfortable 31°C. Precipitation varies throughout the year, with the wettest month, August, receiving 91 mm of rain. Sunshine increases from a mere 34 hours in January to a high of 500 hours in June. For more detailed information, visit Toholampi climate.

Ullava, Finland, experiences a subarctic climate characterized by cold winters and mild summers. January and February are particularly harsh, with average temperatures plummeting to around -6°C (22°F) and -7°C (21°F), respectively. As spring arrives, temperatures begin to rise, peaking in July with averages of 17°C (62°F). Precipitation is fairly consistent throughout the year, with August being the wettest month at 92 mm (3.6 in) of rainfall. For more detailed information on weather patterns, visit Ullava climate.

Veteli, Finland experiences a cold, continental climate with significant seasonal variations. Winter temperatures frequently drop below freezing, with January and February seeing minimums around -26°C (-14°F). As spring transitions into summer, average temperatures rise, peaking in July at about 17°C (62°F). Precipitation is most abundant in late summer and autumn, particularly in August with 92 mm (3.6 in). For more detailed information on weather patterns, visit Veteli climate.

Conclusion

In conclusion, Central Ostrobothnia, Finland, presents a striking example of how latitude and seasonal shifts dictate the region's climate, temperature, sunshine duration, UV Index, and daylight hours. The stark contrasts between long, sun-drenched summers and short, dark winters profoundly influence both the natural environment and the lifestyle of its inhabitants. Understanding these climatic nuances is essential for residents and visitors alike, as it informs daily activities, recreational opportunities, and health precautions throughout the year. By appreciating the beauty and challenges of this unique climate, one can fully embrace the diverse experiences that Central Ostrobothnia has to offer.

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