Last updated: August 21, 2025
May in Kalajoki, Finland welcomes the onset of warmer days, showcasing a maximum temperature that can soar to a delightful 27°C (80°F). However, don’t let the peaks fool you; the average temperature hovers around a brisk 8°C (47°F), with nighttime lows dropping to a chilled -5°C (24°F). While residents and visitors alike may bask in the sunshine, precipitation makes its presence felt with about 55 mm (2.2 in) spread across 8 days of the month. The air is palpable with a relatively high humidity level of 80%, creating a refreshing yet slightly damp atmosphere, perfect for those who appreciate the serene beauty of early summer in this coastal town.
In Kalajoki, Finland, May marks a significant transition as the region shakes off the lingering chill of winter. With minimum temperatures hovering around -5°C (24°F) and an average of 8°C (47°F), the month ushers in a palpable warmth compared to its frigid predecessors. The average maximum climbs impressively to 27°C (80°F), reflecting the blossoming growth and vibrant energy of spring. This upward trend is a welcome change from the winter months, where temperatures regularly plummet below zero. As daylight stretches longer and nature comes alive, May is a month of refreshing possibilities in this northern locale.
May marks a notable shift in precipitation for Kalajoki, Finland, with 55 mm (2.2 in) of rain, highlighting a transition into the wetter summer months. This increase represents a 14% rise compared to April's 39 mm, emphasizing May as a time when the landscape comes alive. With rainfall distributed over about 8 days, the month balances the need for moisture with ample dry spells, paving the way for blooming flora. This trend continues into June and July, where precipitation peaks, suggesting that May serves as a pivotal bridge toward the more intense rainy season ahead.
In Kalajoki, Finland, May brings a noticeable shift in humidity levels, settling at 80%, which marks a significant decrease from the winter months where humidity often hovers above 90%. This transition signals the arrival of milder conditions as spring progresses, with the moisture levels gradually declining through June. In fascinating contrast to the heightened humidity of the earlier months, May acts as a bridge to the more temperate summer ahead, where June's levels drop further to 76%. As the year unfolds, it becomes clear that while Kalajoki experiences high humidity during the winter and early spring, late spring ushers in a refreshing change, paving the way for the warmer and slightly drier days of summer.
In Kalajoki, Finland, the UV Index begins to rise noticeably in May, reaching a moderate 5. This increase heralds the onset of warmer days, with a burn time of just 30 minutes for fair-skinned individuals. The trend from earlier months shows a gradual ascent in UV exposure, moving from a low index of 1 in January and February to a moderate level that encourages sun protection awareness. As May transitions into the sunnier summer months, a higher UV Index makes it essential to stay informed and take precautions to enjoy the beautiful outdoors safely. For more detailed information, check out the Kalajoki UV Index.
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In Kalajoki, Finland, May marks a significant peak in sunshine, boasting 450 hours of brilliant daylight. This delightful increase follows the steady ascent from the darker winter months, where January sees a mere 36 hours of sun. As spring unfolds, each month brings more light, culminating in May's vibrant glow that heralds the approaching summer. With sunshine hours continuing to climb in June to 515 hours, the trend reflects the joyous transition from the chilly confines of winter to the warm embrace of summer. However, as the seasons shift, we witness a gradual decline, with August offering 430 hours and September seeing a notable drop to 291 hours, reminding us of the fleeting nature of daylight as the year progresses.
In Kalajoki, Finland, the likelihood of sunny weather in May is around 33%, reflecting a moderate chance of clear skies as spring unfolds. This percentage follows a noticeable trend of increasing sunshine from the depths of winter, where the chance of sun in January lingers at a mere 7%. As the months progress, there is a steady rise in sunny days, peaking in the summer months of June and July, which boast chances of 50% and 53%, respectively. However, just as winter gradually loosens its grip, May's sunshine probability dips slightly from the previous month of April, where the sunshine chance reaches 47%, reminding us that while spring is in full swing, it still wields a hint of unpredictability. Overall, May serves as a transitional month, embracing warmth and vibrant daylight, even as it balances the lingering chill of the previous seasons.
In Kalajoki, Finland, May marks a significant turning point in daylight duration, showcasing a sharp increase to an impressive 18 hours of sunlight. This surge follows the steady ascent from 5 hours in January to 15 hours in April, indicating a welcomed transition from the dark winter months. As spring blossoms, the longer days of May not only enrich the landscape but also enhance outdoor activities, inviting locals and visitors alike to revel in the beauty of the vibrant Finnish wilderness. This trend continues into June, peaking at a remarkable 20 hours of daylight, before gradually tapering off in the summer's later months. The progressive extension of daylight in May beautifully heralds the arrival of summer, embodying the essence of life waking up after a long, cold hibernation.
In Kalajoki, Finland, the month of May experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), slightly lower than the preceding months. Following a gradual increase in wind speeds through the colder months, March peaks at 4.1 m/s (9 mph) before tapering off. While April brings a mild 3.5 m/s (8 mph), May settles into a more tranquil rhythm, indicative of the transition into summer. The wind speeds during this time reflect a consistent yet serene pattern, contributing to the calm and inviting atmosphere of late spring, which contrasts with the more robust gusts of October at 4.4 m/s (10 mph). Overall, May provides a refreshing yet subdued wind experience, emblematic of the gradual warming trends as the region prepares for the summer months ahead.
Weather in Kalajoki varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kalajoki, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns, highlighting the shift between seasons. In May, temperatures range from a chilly -5°C (24°F) to a warm 27°C (80°F), with an average of 8°C (47°F) and relatively moderate precipitation of 55 mm (2.2 in) over 8 days, coupled with a humidity level of 80%. In contrast, January is much colder, with temperatures hitting a low of -28°C (-18°F) and only reaching a maximum of 6°C (44°F), resulting in an average temperature of -5°C (22°F). Although January experiences lower precipitation at 36 mm (1.4 in) over 9 days, the humidity is notably higher at 99%. For those interested in detailed weather statistics, please visit Kalajoki weather in January.
When comparing the weather in May and February, there's a stark contrast in temperature and overall conditions. May experiences a much wider temperature range, with minimums around -5°C (24°F) and maximums reaching up to 27°C (80°F), averaging 8°C (47°F). This month also sees significantly less precipitation at 55 mm (2.2 in) over 8 days, alongside a humidity level of 80%. In contrast, February remains frigid, with minimum temperatures plunging to -27°C (-16°F) and maximums only reaching 6°C (43°F), averaging -7°C (20°F). The precipitation is slightly lower at 39 mm (1.5 in), yet humidity is notably higher at 97%. This highlights a drastic shift from the cold, high-humidity winter of February to the milder, more variable weather of May. For a more in-depth look, check out Kalajoki weather in February.
In comparing the weather of May and March, it's evident that May experiences significantly milder temperatures, with a minimum of -5°C (24°F) and an average of 8°C (47°F), contrasting sharply with March's colder climate, which features a minimum of -28°C (-19°F) and an average of -3°C (27°F). May also reaches much higher maximum temperatures, peaking at 27°C (80°F), while March only climbs to a maximum of 10°C (50°F). Precipitation is slightly higher in May at 55 mm (2.2 in) over 8 days, compared to March's 37 mm (1.5 in) over 10 days. Additionally, while May has a humidity of 80%, March maintains a higher level of 93%. For a more detailed look at March's weather, you can visit Kalajoki weather in March.
May experiences significantly milder temperatures compared to April, with minimums around -5°C (24°F) and an average of 8°C (47°F), in contrast to April's lows of -13°C (9°F) and average of 2°C (36°F). The maximum temperatures in May can reach up to 27°C (80°F), while April peaks at 20°C (68°F). Precipitation is slightly higher in May at 55 mm (2.2 in) over 8 days, compared to April's 39 mm (1.5 in) over 7 days. Despite this, May has a lower humidity of 80% compared to April's 86%. For a more detailed look into April’s weather, check out Kalajoki weather in April.
May and June present a notable transition in weather patterns. In May, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 27°C (80°F), with an average of 8°C (47°F). The month sees about 55 mm (2.2 in) of precipitation over 8 days, accompanied by a relatively high humidity level of 80%. Conversely, June warms up with temperatures starting at a minimum of 0°C (32°F) and peaking at 30°C (86°F), yielding a higher average of 14°C (58°F). Rainfall remains similar, at 53 mm (2.1 in), also over 8 days, but with slightly reduced humidity at 76%. For more detailed insights, check out Kalajoki weather in June.
May and July present contrasting weather conditions, reflecting the transition from spring to summer. In May, temperatures range from a chilly -5°C (24°F) at night to a comfortable 27°C (80°F) during the day, with an average of 8°C (47°F). The month sees around 55 mm (2.2 in) of precipitation over approximately 8 days, coupled with high humidity at 80%. In contrast, July experiences warmer temperatures, with minimums of 3°C (38°F) and maximums reaching 33°C (91°F), resulting in an average of 17°C (63°F). The precipitation increases slightly to 68 mm (2.7 in) over 11 days, with humidity remaining relatively stable at 79%. Overall, July offers a warmer and more humid experience compared to the cooler and more variable weather of May. For more details on July's climate, check out Kalajoki weather in July.
The weather in May showcases a transitional phase with temperatures ranging from a chilly minimum of -5°C (24°F) to a pleasant maximum of 27°C (80°F), averaging around 8°C (47°F). With 55 mm (2.2 in) of precipitation over about 8 days, the humidity stands at 80%, contributing to a fresh and cool atmosphere. In contrast, August brings warmer temperatures with a minimum of 2°C (35°F) and a maximum of 33°C (92°F), averaging 15°C (59°F). This month experiences more rainfall, totaling 87 mm (3.4 in) spread over 15 days, with a slight increase in humidity to 83%. For more detailed information on August weather in this region, check Kalajoki weather in August.
May and September present distinct weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of -5°C (24°F) to a maximum of 27°C (80°F), with an average of 8°C (47°F). The month experiences about 55 mm (2.2 in) of precipitation over 8 days and maintains a humidity level of 80%. In contrast, September has slightly milder temperatures, with a minimum of -3°C (26°F) and a maximum of 23°C (75°F), averaging at 10°C (50°F). It is also wetter, with around 75 mm (3.0 in) of rainfall across 12 days and higher humidity at 89%. For a more detailed look at what to expect, check out Kalajoki weather in September.
In the month of May, temperatures range from a chilly -5°C (24°F) at night to a warm 27°C (80°F) during the day, with an average temperature of 8°C (47°F). This month experiences moderate precipitation of 55 mm (2.2 in) over approximately 8 days, coupled with a humidity level of 80%. In contrast, October brings cooler temperatures, with nighttime lows dipping to -14°C (8°F) and daytime highs reaching only 19°C (67°F), averaging around 5°C (41°F). The precipitation in October increases to 81 mm (3.2 in) over about 14 days, and humidity levels also rise to 94%. For more insights into October's weather, visit Kalajoki weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a chilly -5°C (24°F) at the minimum to a pleasant maximum of 27°C (80°F), with an average of 8°C (47°F). This month experiences around 55 mm (2.2 in) of precipitation over 8 days, coupled with a humidity level of 80%. In stark contrast, November sees much colder temperatures, with a minimum of -18°C (0°F) and an average of 1°C (33°F), peaking at only 10°C (51°F). Precipitation slightly increases to 58 mm (2.3 in), occurring over 11 days, and the humidity rises to a notable 94%. For more detailed insights about November, you can visit Kalajoki weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -5°C (24°F) to a warm average of 8°C (47°F), peaking at a pleasant 27°C (80°F). The month sees moderate precipitation of 55 mm (2.2 in) over approximately 8 days, with a humidity level around 80%. On the other hand, December brings much colder temperatures, with a minimum dipping to -22°C (-8°F) and an average of -3°C (27°F), only rising to a maximum of 5°C (42°F). Precipitation in December is slightly lower at 48 mm (1.9 in), but occurs over more days (12 days), and the humidity climbs to a high 98%, making the cold feel even more biting. To explore more details about December weather, visit Kalajoki weather in December.
As May unfolds in Kalajoki, the weather takes on a distinct character, transitioning from the lingering chill of winter to the vibrant warmth of early summer. Temperatures rise, reaching a pleasant maximum of 27°C, significantly warmer than the preceding months, while the average temperature nudges up to a mild 8°C. Precipitation occurs on about eight days, but with a total of only 55 mm, it’s lighter than what many might expect for spring. This balance of warmth and humidity—hovering at a comfortable 80%—makes May a delightful month for outdoor activities and enjoying the beauty of nature. For a comprehensive overview of the climatic patterns in this region, visit Kalajoki Climate.