Last updated: August 21, 2025
April in Oulu, Finland, showcases a striking transition as winter reluctantly yields to spring. With maximum temperatures peaking at 14°C (57°F), the city experiences an average of 1°C (34°F), while the chill persists with minimums dropping to -13°C (9°F). April also brings about 38 mm (1.5 in) of precipitation over seven days, contributing to the awakening landscape. Coupled with a high humidity level of 87%, this month is a reminder of nature's shift, as Oulu emerges from the grips of winter, creating a unique blend of cool and fresh spring air.
As April unfolds in Oulu, Finland, a distinct transition from winter's chill to the gentle embrace of spring becomes evident. The month begins with nighttime temperatures dipping to a brisk -13°C (9°F), but by day, the average climbs to a refreshing 1°C (34°F), peaking at a pleasant 14°C (57°F). This notable shift not only marks a significant improvement from the previous months, where freezing temperatures dominated, but also signals the awakening of nature. With each passing day, the sun's warm rays begin to melt the lingering snow, inviting the vibrant colors of spring to emerge and breathe life back into the landscape. April in Oulu is truly a month of transformation, bridging the gap between the harshness of winter and the warmth of the approaching summer.
April in Oulu, Finland, sees a slight dip in precipitation with 38 mm (1.5 in) of rain spread over 7 days. This marks a subtle decline from the previous months, as both January and February recorded higher totals of 40 mm (1.6 in). The month's relatively low rainfall hints at the transition toward drier late-spring conditions, setting the stage for May's increase to 49 mm (1.9 in). As Oulu bids farewell to April, the city begins to embrace the gradual warmth of summer, with rainfall becoming more frequent and abundant in the following months.
As spring unfolds in Oulu, Finland, April marks a notable shift in the region's humidity levels, dipping to 87% from the high of 95% recorded in March. This gradual decrease corresponds with the warming temperatures of the season, signaling a transition towards drier months ahead. Following the peak winter humidity of 100% in January and 98% in February, April's figures indicate a refreshing change as nature awakens, making way for the upcoming milder conditions of May, which sees humidity further decrease to 81%. This pattern suggests that while Oulu grapples with the lingering chill of early spring, the promise of warmer, dryer days is just around the corner, enhancing the region's appeal as it shakes off the wintry grip.
As spring unfolds in Oulu, Finland, the UV Index trends reveal a notable shift in sun exposure. While the year begins with a low UV Index of 1 in January through March, April sees an increase to 3, marking the transition to a moderate exposure category. This change indicates a shorter burn time of 30 minutes, prompting residents and visitors to be more mindful of sun protection as they enjoy the longer daylight hours. As May approaches, the UV Index continues to rise, signaling a season where outdoor activities become even more enticing. For more insights on UV levels throughout the year, check out Oulu UV Index.
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As April arrives in Oulu, sunshine takes center stage, basking the city in 364 hours of radiant light—an impressive leap from March's 269 hours. This vibrant increase marks a noticeable shift towards brighter days, setting the tone for the delightful month of May, which boasts an even more generous 454 hours of sunlight. The gradual ascent from the bleakness of winter, with January's mere 33 hours, emphasizes nature's rejuvenation as spring unfolds. Each month builds upon the last, revealing a clear and inviting trend towards longer days, encouraging residents and visitors alike to embrace the warmer and more luminous atmosphere that Oulu offers as it blossoms into spring.
In April, Oulu, Finland transitions from the lingering chill of winter to a more promising start of spring, with a 43% chance of sunny weather. This marks a slight decrease from March's 45%, indicating that while the days are getting brighter, they are not yet fully basking in sunlight. The trend reveals a seasonal pattern where the likelihood of sunshine begins to rise from January’s meager 6% through the early months, peaking in the summer months, especially in July with 56%. As April approaches, residents can expect the atmosphere to gradually shift towards longer, more luminous days, setting the stage for the brighter moments that will follow in May and June.
As April unfolds in Oulu, Finland, residents revel in the dramatic increase in daylight, basking in 15 hours of sunlight—a notable leap from just 11 hours in March. This transition is part of a beautiful progression, where the onslaught of winter gradually gives way to the longer, brighter days of spring. Following the trend, May will bring even more light, peaking at 18 hours, before the summer solstice gifts Oulu with an astonishing 21 hours of daylight in June. The gradual lengthening of days not only lifts spirits but also ignites the local landscape with vibrant life, marking a jubilant shift as nature awakens from its long slumber and sets the stage for the lush beauty of summer.
As April sweeps into Oulu, Finland, the winds offer a gentle transition from the more brisk gusts of earlier months. With an average wind speed of 3.4 m/s (8 mph), April showcases a slight dip from March's peak of 4.0 m/s (9 mph), indicating a pause before the winds pick up speed again in October. This month’s conditions remain relatively stable, echoing the mildness seen in both January and December. Notably, while April doesn’t quite capture the intensity of late winter winds, it still maintains a refreshing breeze that hints at the impending warmth of spring. With wind patterns returning to the averages of earlier months, April in Oulu embodies a tranquil yet dynamic essence, gently guiding the city towards brighter days ahead.
Weather in Oulu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oulu, focusing on differences in temperature, rainfall, humidity, and UV levels.
April's weather offers a significant contrast to that of January. While January experiences much colder temperatures with a minimum of -32°C (-25°F) and an average of -7°C (19°F), April sees a notable warming trend, with temperatures ranging from a minimum of -13°C (9°F) to a maximum of 14°C (57°F). Precipitation levels remain similar in both months, with April receiving 38 mm over 7 days, compared to January's 40 mm over 10 days. Additionally, humidity levels drop from the persistent 100% in January to a more moderate 87% in April, making the latter month feel more bearable despite its chill. For a deeper dive into the specifics of January's weather in Oulu, check out Oulu weather in January.
When comparing the weather in April and February, notable differences emerge. April tends to be much milder, with average temperatures hovering around 1°C (34°F), contrasting sharply with February's colder average of -8°C (17°F). April experiences a minimum temperature of -13°C (9°F) and a maximum of 14°C (57°F), while February can plunge to -25°C (-14°F) for its minimum and only reach a maximum of 5°C (42°F). Additionally, both months see similar precipitation, with April receiving 38 mm (1.5 in) over around 7 days and February slightly higher at 40 mm (1.6 in) over 9 days. However, February's humidity is notably higher at 98%, compared to April's 87%. For more detailed insights, you can explore Oulu weather in February.
In comparing the weather of April to March, there is a noticeable shift towards milder conditions. April experiences a minimum temperature of -13°C (9°F) and an average of 1°C (34°F), with a maximum rising to 14°C (57°F). In contrast, March is significantly colder, with temperatures dipping as low as -26°C (-15°F) and averaging -4°C (25°F), peaking at only 7°C (45°F). While both months see a similar amount of precipitation, with April receiving 38 mm (1.5 in) over 7 days and March slightly more at 41 mm (1.6 in) over 11 days, April's humidity is somewhat lower at 87% compared to March's 95%. For a more detailed look at March conditions, visit Oulu weather in March.
April and May present a notable transition in weather patterns. In April, temperatures range from a chilly minimum of -13°C (9°F) to a maximum of 14°C (57°F), with an average of about 1°C (34°F). The month experiences around 38 mm (1.5 in) of precipitation over approximately 7 days, accompanied by high humidity at 87%. In contrast, May witnesses a significant warming trend, with temperatures ranging from a minimum of -6°C (21°F) to a comfortable maximum of 27°C (80°F) and an average of 7°C (45°F). Although May sees slightly more precipitation at 49 mm (1.9 in) over 8 days, the humidity lowers to 81%, signaling the arrival of spring. For more detailed information, check out Oulu weather in May.
April and June present a stark contrast in weather patterns. In April, temperatures are much cooler, with an average low of -13°C (9°F) and a maximum of only 14°C (57°F). The month sees around 38 mm (1.5 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 87%. In comparison, June experiences a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 29°C (85°F), averaging 14°C (58°F). Although June has slightly higher precipitation at 60 mm (2.4 in) over about 9 days, the overall humidity decreases to 77%. For a closer look at what June has to offer, check out Oulu weather in June.
April and July present strikingly different weather conditions. In April, temperatures swing from a chilly minimum of -13°C (9°F) to an average of 1°C (34°F) and a maximum of 14°C (57°F), accompanied by high humidity at 87%. The month typically sees about 38 mm (1.5 in) of precipitation over approximately 7 days. In contrast, July offers a significant warm-up, with temperatures ranging from a minimum of 4°C (39°F) to an average of 17°C (63°F), peaking at a maximum of 32°C (90°F). The humidity decreases to 79%, and precipitation amounts to 73 mm (2.9 in) falling over 11 days. For more details on July weather, you can visit Oulu weather in July.
In April, the weather in Oulu can be quite chilly, with temperatures ranging from a minimum of -13°C (9°F) to a maximum of 14°C (57°F) and an average of around 1°C (34°F). This month also sees significant humidity at 87% and an average of 38 mm (1.5 inches) of precipitation over approximately 7 days.
In contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 1°C (34°F) to a high of 31°C (88°F), averaging 14°C (58°F). However, it is wetter, with 91 mm (3.6 inches) of rainfall spread over 14 days and a slightly lower humidity level of 84%. For a more detailed perspective on August weather, you can check Oulu weather in August.
April and September present quite contrasting weather conditions. In April, temperatures typically range from a chilly minimum of -13°C (9°F) to a mild maximum of 14°C (57°F), with an average of just 1°C (34°F). The month experiences about 38 mm (1.5 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 87%. In comparison, September features a more moderate temperature range, with minimums around -4°C (24°F) and maximums reaching 24°C (75°F), resulting in a pleasant average of 10°C (49°F). However, it sees increased precipitation of 71 mm (2.8 in) spread across 13 days, and humidity slightly rises to 90%. For more detailed insights on the weather in September, visit Oulu weather in September.
April and October present distinct contrasts in weather despite their proximity in the calendar year. In April, temperatures range from a chilly minimum of -13°C (9°F) to a mild maximum of 14°C (57°F), with an average of around 1°C (34°F). The month experiences approximately 38 mm (1.5 in) of precipitation over about 7 days, accompanied by high humidity levels at 87%. In contrast, October features slightly warmer temperatures, with a minimum of -12°C (10°F), an average of 4°C (40°F), and a maximum reaching 18°C (64°F). However, it also brings more precipitation, totaling 81 mm (3.2 in) across roughly 15 days, along with increased humidity at 95%. For more specific details on October weather, you can check Oulu weather in October.
April and November present distinct weather patterns, reflecting the transition from spring to winter. In April, temperatures range from a minimum of -13°C (9°F) to a maximum of 14°C (57°F), with an average temperature of 1°C (34°F). The month experiences about 38 mm (1.5 in) of precipitation over approximately 7 days, accompanied by a relatively lower humidity level of 87%. In contrast, November is significantly colder, with temperatures dipping to a minimum of -18°C (0°F) and an average of -1°C (31°F), peaking at 9°C (49°F). This month also sees increased precipitation, totaling 62 mm (2.4 in) over 13 days, coupled with a higher humidity of 95%. For more details, visit Oulu weather in November.
April and December present contrasting weather conditions. In April, temperatures range from a low of -13°C (9°F) to a high of 14°C (57°F), with an average around 1°C (34°F). The month sees about 38 mm (1.5 in) of precipitation over roughly 7 days, and humidity levels are at 87%. In stark contrast, December experiences much colder weather, with temperatures varying from a minimum of -24°C (-12°F) to a maximum of 4°C (40°F), averaging -5°C (24°F). This month also has higher precipitation at 58 mm (2.3 in) and spans approximately 14 days, alongside notably high humidity at 99%. These differences highlight the transition from the tail end of winter to the early signs of spring. For more detailed information on December weather, visit Oulu weather in December.
As April arrives in Oulu, it marks a notable transition from the lingering chill of winter to the first whispers of spring. While daytime temperatures can reach a pleasant 14°C, the average still hovers around 1°C, hinting at the cooler nights that follow. This month typically brings a mix of rain and melting snow, with about 38 mm of precipitation spread across seven days, contributing to a humid atmosphere at 87%. Compared to the harsher conditions of winter months, April offers an inviting though variable climate that encourages outdoor exploration amidst the budding scenery. For a deeper understanding of Oulu's climate, visit Oulu Climate.