Last updated: August 21, 2025
In April, Uusikaupunki, Finland experiences a striking transition as winter gives way to spring. The temperature fluctuates between a maximum of 18°C (65°F) and a minimum of -7°C (19°F), highlighting the variability characteristic of this time of year. With an average temperature of 4°C (39°F), residents witness the slow thawing of the landscape. However, the month isn’t without its showers, accumulating approximately 29 mm (1.2 in) of precipitation over 8 days, contributing to the lush revival of nature. Humidity levels peak at a brisk 85%, indicating moist air typical of early spring. As Uusikaupunki begins to bloom, April offers a refreshing glimpse of the seasonal changes to come.
As winter relinquishes its grip, April in Uusikaupunki heralds a refreshing transformation with temperatures gradually warming up. The month begins with a chill, featuring minimums around -7°C (19°F), yet quickly rises to an average of 4°C (39°F), finally peaking at a pleasant 18°C (65°F) on warmer days. This significant shift marks a stark departure from the depths of winter, where temperatures often plummeted to -21°C (-6°F) in March. April's mild climate encourages the emergence of spring, inviting residents and visitors alike to enjoy the blossoming landscape, making it a delightful time to experience the natural beauty of this Finnish town. The promise of warmth and longer days sets the stage for the vibrant summer months ahead.
April in Uusikaupunki, Finland, marks a transitional period in precipitation patterns, as the amount of moisture received dips to 29 mm (1.2 in) across approximately 8 days. This decline from the wetter months of March and May highlights a brief reprieve before the anticipated spring blooms. Notably, April's precipitation serves as a precursor to the summer surge, where rainfall will sharply increase in the following months, peaking in July with 67 mm (2.6 in). The trend illustrates a gradual shift from the colder, snow-laden seasons to more temperate and variable weather, setting the stage for the lush growth of late spring and early summer.
In April, Uusikaupunki experiences a noticeable shift in humidity, with levels dropping to 85% as winter gives way to spring. This decline follows a gradual decrease from a high of 92% in January, reflecting the transitional nature of the season. As temperatures begin to rise, the relatively lower humidity paves the way for more pleasant outdoor experiences, setting the stage for the warmer months ahead. Following April, humidity continues to decrease, reaching its annual low of 77% in May before slightly rising again in the summer months. This trend highlights a pattern where humidity gradually recedes as spring unfolds, leading to a drier atmosphere that many welcome after the chill of winter.
In April, Uusikaupunki experiences a notable increase in the UV Index, reaching 4, which falls into the moderate exposure category. This marks a shift from the lower levels seen in the winter months of January through March, signaling the onset of brighter and sunnier days. With a burning time of just 30 minutes, it becomes essential for residents and visitors alike to take precautions while enjoying the outdoors. As spring unfolds, this upward trend in UV exposure continues into May, where the index peaks at 5, further emphasizing the need for sun protection. For more details on UV levels throughout the year, explore Uusikaupunki UV Index.
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In Uusikaupunki, Finland, April shines with a remarkable 366 hours of sunlight, marking a significant leap from the preceding months. This surge heralds the arrival of spring, as the city transitions from the long, dark winter days characterized by just 62 hours in January and 160 hours in February. As daylight hours increase, residents and visitors alike bask in the warmth of longer days, paving the way for an even brighter May with 460 hours. The trend continues into the summer months, where June peaks at 496 hours, showcasing the region's vibrant and invigorating atmosphere. As the seasons shift, the gradual decline in sunlight after July reminds us of nature's cyclical rhythm, yet each hour of sunshine enhances the beauty of this charming coastal town.
As April rolls into Uusikaupunki, Finland, residents can look forward to a notable increase in the chance of sunny weather, with 53% likelihood—an uplifting shift from the early winter months. This month marks a significant turning point, where the sun starts to emerge more frequently after the long, dark days of winter. Compared to March's 39%, April's sunny prospects hint at the gradual warming trend, foreshadowing a delightful transition into the milder spring months ahead. Following April, sun chances peak in June and July with 55% and 60%, respectively, creating a season that celebrates longer, brighter days. Overall, April is a promising month, signaling the arrival of spring and a break from the cloudier skies of previous months.
As spring unfolds in Uusikaupunki, Finland, April brings a delightful increase in daylight duration, where the hours of sunshine expand to a rejuvenating 14 hours. This marks a substantial jump from March's 11 hours, signaling the shift toward longer days that are characteristic of the approaching summer months. Following the steady climb from January's mere 6 hours, the daylight in April reflects a vibrant renewal of life and warmth, inviting residents to embrace outdoor activities. This upward trend continues into May and June, peaking at 19 hours, before gradually tapering off in the later summer and fall months. Each hour gained is a step into the lush vitality of spring and an anticipation of the long, bright days ahead.
In Uusikaupunki, Finland, April welcomes a noticeable shift in the winds, with an average speed of 4.7 m/s (11 mph). This increase follows March's stronger gusts of 5.4 m/s (12 mph), hinting at the brisk energy of springtime. While the winds are slightly calmer than those in the earlier spring month, they are still refreshing compared to the milder summer months ahead, where speeds taper off to 4.0 m/s (9 mph) in May. Observing the trend, April serves as a transitional bridge, preparing residents and visitors alike for the gentle breezes of summer while still showcasing the robust spirit of the season's arrival.
Weather in Uusikaupunki varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Uusikaupunki, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns in Uusikaupunki. In April, temperatures begin to rise, with a range from a chilly -7°C (19°F) at night to a more comfortable 18°C (65°F) during the day, averaging around 4°C (39°F). Precipitation is relatively low at 29 mm (1.2 in) over 8 days, and humidity hovers at 85%. In contrast, January is much colder, with temperatures dipping as low as -17°C (1°F) and averaging -1°C (31°F), peaking at just 8°C (46°F). This month also sees higher precipitation, totaling 45 mm (1.8 in) across 10 days, while humidity is slightly higher at 92%. For a closer look at January's weather specifics, visit Uusikaupunki weather in January.
April's weather offers a noticeable improvement over February's chill, with temperatures ranging from a low of -7°C (19°F) to a high of 18°C (65°F), compared to February's frigid lows of -19°C (-2°F) and highs of just 7°C (44°F). While both months experience precipitation on about eight days, April brings a lighter total of 29 mm (1.2 in) versus February's 40 mm (1.6 in). The humidity remains similar, hovering around 85% in April compared to 90% in February, suggesting a slightly drier feel as spring approaches. For more detailed information, you can visit Uusikaupunki weather in February.
April's weather marks a significant transition from the chill of March. While March experienced colder temperatures with a minimum of -21°C (-6°F) and an average of 0°C (33°F), April sees a rise, with temperatures ranging from a minimum of -7°C (19°F) to a more comfortable average of 4°C (39°F) and a maximum of 18°C (65°F). Precipitation also shifts slightly; March recorded 41 mm (1.6 in) over 9 days, whereas April has less rainfall at 29 mm (1.2 in) across 8 days. Both months exhibit high humidity levels—89% in March compared to a slightly lower 85% in April—creating a damp atmosphere as winter gives way to spring. For more details on March weather, check out Uusikaupunki weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -7°C (19°F) to a pleasant maximum of 18°C (65°F), with an average temperature of 4°C (39°F). With 29 mm (1.2 in) of precipitation across about eight rainy days and high humidity at 85%, April can feel quite damp and brisk. In contrast, May warms up, featuring a minimum of -2°C (30°F) and a maximum of 23°C (73°F), with an average temperature of 9°C (48°F). Precipitation slightly increases to 38 mm (1.5 in) over seven days, but the humidity drops to 77%, leading to a more comfortable and milder experience. For more detailed insights, check Uusikaupunki weather in May.
The weather in April and June presents a notable contrast in both temperature and humidity levels. April experiences cooler temperatures, ranging from a minimum of -7°C (19°F) to a maximum of 18°C (65°F), with an average of just 4°C (39°F). The month sees a higher humidity level of 85% and approximately 29 mm (1.2 in) of precipitation spread over 8 days. In comparison, June warms up significantly, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (81°F) and an average temperature of 15°C (59°F). Despite a slight increase in precipitation to 40 mm (1.6 in) over 7 days, the humidity drops to 78%. For more details on weather conditions in June, visit Uusikaupunki weather in June.
April and July present distinct contrasts in weather patterns. In April, temperatures range from a chilly minimum of -7°C (19°F) to a maximum of 18°C (65°F), with an average of 4°C (39°F). The month experiences about 29 mm (1.2 in) of precipitation over approximately 8 days, paired with a high humidity level of 85%. In contrast, July boasts much warmer temperatures, with a minimum of 9°C (48°F), an average of 17°C (64°F), and a peak of 30°C (86°F). Precipitation in July increases to 67 mm (2.6 in) over about 10 days, yet humidity drops slightly to 78%. For more on the July climate, you can check Uusikaupunki weather in July.
April and August present striking contrasts in weather patterns. In April, temperatures range from a chilly minimum of -7°C (19°F) to a mild maximum of 18°C (65°F), with an average temperature of 4°C (39°F). The month experiences an average of 29 mm (1.2 in) of precipitation over 8 days, coupled with high humidity at 85%. In contrast, August boasts warmer temperatures, with minimums of 7°C (45°F) and maximums reaching up to 28°C (82°F), averaging 17°C (62°F). There is also more rainfall in August, totaling 73 mm (2.9 in) over 12 days, though humidity is relatively lower at 79%. For more details, check out Uusikaupunki weather in August.
In April, the weather is characterized by cooler temperatures, with averages around 4°C (39°F) and a maximum of 18°C (65°F), while the minimum can drop as low as -7°C (19°F). The month features 29 mm (1.2 in) of precipitation over about 8 days, accompanied by high humidity levels at 85%. In contrast, September presents milder conditions with an average temperature of 13°C (55°F), peaking at 23°C (73°F) and a minimum of 2°C (35°F). However, it is also wetter, receiving 71 mm (2.8 in) of precipitation over approximately 12 days, and humidity remains slightly elevated at 86%. The transition from the chill of April to the more temperate September can be noted distinctly in these weather patterns. For more details, check the Uusikaupunki weather in September.
April weather exhibits a chilly yet transitional climate, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 18°C (65°F) and averaging around 4°C (39°F). It experiences relatively low precipitation of 29 mm (1.2 in) over about 8 days, accompanied by humidity levels of 85%. In contrast, October brings cooler conditions with temperatures typically between -4°C (25°F) and 17°C (62°F), averaging around 8°C (46°F). It is significantly wetter, with 90 mm (3.5 in) of precipitation spread across approximately 17 days, and humidity rises to 90%. This makes October feel more damp and overcast compared to the sporadic warmth of April. For a closer look at the October climate, you can check this link: Uusikaupunki weather in October.
In comparing the weather of April and November, both months experience similar minimum temperatures, with lows dipping to -7°C (19°F). However, April generally enjoys a milder maximum temperature, averaging 18°C (65°F), compared to November's cooler high of 13°C (56°F). Precipitation levels are also noteworthy; April receives 29 mm (1.2 in) over approximately 8 days, while November sees a significant increase with 59 mm (2.3 in) over about 12 days, contributing to a higher humidity level of 91%. For more detailed insights, you can visit Uusikaupunki weather in November.
April and December present strikingly different weather conditions. In April, temperatures range from a minimum of -7°C (19°F) to a comfortable maximum of 18°C (65°F), with an average of 4°C (39°F). The month sees about 29 mm (1.2 in) of precipitation over roughly 8 days, and humidity levels hover around 85%. In contrast, December features a much colder climate with temperatures ranging from -16°C (3°F) to a maximum of only 7°C (45°F), averaging 1°C (33°F). Precipitation in December is higher at 77 mm (3.0 in), occurring over 14 days, while humidity rises slightly to 89%. For a more detailed comparison, check out Uusikaupunki weather in December.
As April unfolds in Uusikaupunki, the weather brings a notable shift compared to the chill of winter months. While daytime temperatures can reach a pleasant 18°C, the nights still hold onto the winter's chill with lows dipping to -7°C. This transitional month experiences an average temperature of 4°C, serving as a bridge from the cold grip of early spring to warmer days ahead. Rainfall, while minimal at 29 mm over about eight days, complements the high humidity of 85%, creating a fresh and invigorating atmosphere. As this month progresses, Uusikaupunki begins to shed winter's layers, suggesting the promise of milder weather on the horizon. For a deeper dive into the climate patterns, visit Uusikaupunki Climate.