Last updated: August 27, 2025
April in Sundsvall, Sweden showcases a striking transition as winter yields to spring, with temperatures ranging from a brisk -14°C (7°F) to a pleasant 21°C (70°F). The average temperature hovers around 3°C (38°F), inviting a mix of chilly mornings and milder afternoons. Despite an overall mild trend, 30 mm (1.2 in) of precipitation falls over 8 days, contributing to the region's lush awakening. With humidity levels at a notable 86%, the air carries a fresh, crisp essence, perfect for those eager to embrace the delightful changes of the season.
In April, Sundsvall experiences a significant transition as winter gives way to spring. Temperatures start to rise, with nighttime lows around -14°C (7°F) and daytime highs soaring to a warm 21°C (70°F). The average temperature settles at 3°C (38°F), marking a noticeable increase from March's chill. This month signals the end of frost, inviting the first hints of greenery as nature awakens. With each passing day, residents embrace the warmth, enjoying the longer sunshine hours and the promise of milder weather ahead.
April in Sundsvall, Sweden, showcases a notable shift in precipitation patterns as the region transitions into spring. With 30 mm (1.2 in) of rain falling over approximately 8 days, this month experiences a decline in moisture compared to the preceding months of winter. The decrease from March's 45 mm (1.8 in) hints at a gradual warming trend, further emphasized by the impending melt of winter snow. As the days grow longer and sunnier, April's milder conditions pave the way for blooming flora, making it a pivotal month in the seasonal cycle. This drop in precipitation foreshadows the upcoming wetter months, particularly as late spring ushers in the heavy rains of June and July.
In April, Sundsvall experiences a welcome shift as humidity levels drop to 86%, marking a significant decline from the winter months when humidity peaked at an impressive 97% in January. This trend continues into the subsequent months, as May sees even lower humidity at 80%, ushering in a drier atmosphere just in time for spring. As the year progresses, the humidity continues to fluctuate, with July and August seeing a slight uptick back to 80% and 86% respectively, likely influenced by warmer temperatures. By the time autumn arrives in September, humidity rises again to 89%, but overall, April serves as a pivotal month when the environment begins its transition towards a drier climate.
In April, Sundsvall experiences a noticeable increase in UV exposure, with the UV Index rising to 4, categorized as moderate. This marks a shift from the low levels seen in the earlier months, January through March, where the Index remained at 1. The burn time during this period tightens to 30 minutes, highlighting the importance of sun protection as spring unfolds. As we transition towards the sunnier months ahead, it's essential to remain vigilant about UV exposure, especially with May’s Index climbing to 5. For more detailed information on UV levels throughout the year, visit Sundsvall UV Index.
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As winter's grasp loosens, April bursts forth with a remarkable 366 hours of sunshine in Sundsvall, Sweden, marking a turning point toward brighter days. This significant increase from 266 hours in March heralds the arrival of spring, energizing the landscape and uplifting spirits. The month stands out not only for its vibrant sunshine but also for its clear trend of increasing daylight that will continue through the summer months. With sunlight peaking at 499 hours in July, April serves as a delightful prelude to the sun-soaked days ahead, as nature awakens and the days grow longer. The gradual transition from the dim, chilly days of winter to the vibrant warmth of spring is truly a spectacle to behold, making Sundsvall an enticing destination during this transformative month.
As spring awakens in Sundsvall, the likelihood of sunny weather sees a promising rise in April, reaching 46%—a significant increase from the previous months. This upward trend reflects a shift from the dreariness of winter, with February and March only offering 34% and 38% chances of sunshine, respectively. April stands out as a turning point, marking the first month where the odds of basking in sunlight surpasses the 40% threshold. Following this, the probabilities dip slightly in May but remain relatively optimistic throughout the summer months, with July peaking at 51%. Thus, April not only signals the arrival of brighter days but also hints at the sunny potential that lies ahead in the warmer seasons.
As spring unfolds in Sundsvall, Sweden, daylight gradually extends its embrace, offering a refreshing shift from the darkness of winter. By April, the city basks in 14 hours of daylight, a significant leap from the 11 hours seen in March. This trend marks the beginning of longer days that peak in the summer months, reaching a remarkable 19 hours of sunlight in June. The transition from April into May showcases an additional increase, inviting residents to enjoy the vibrant awakening of nature. However, as the year progresses into the latter months, daylight begins its steady decline, ultimately culminating in just 5 hours by December. This rhythmic cycle of light not only highlights the changing seasons but also enriches the daily lives of Sundsvall’s inhabitants and encourages a deeper connection with the natural world.
As the chill of winter begins to fade, April in Sundsvall brings a mild and steady breeze with an average wind speed of 3.8 m/s (8 mph)—a refreshing echo of the slightly stronger gusts experienced in March. This consistent wind speed marks a transition into spring, where the warmth of May sees a decline to 2.9 m/s (6 mph). The trend highlights a peak in windiness at the cusp of spring, making April an invigorating time for outdoor activities, as nature awakens and blossoms. The gentle winds of April not only invite exploration but also set the stage for the calmer breezes of the approaching summer months, crafting a perfect balance in Sundsvall's ever-changing climate.
Weather in Sundsvall varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sundsvall, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January exhibit stark contrasts in weather conditions. In January, temperatures can plummet as low as -28°C (-18°F), with an average of -5°C (24°F) and a maximum reaching only 8°C (47°F). Meanwhile, April brings milder weather, with temperatures ranging from a minimum of -14°C (7°F) to an average of 3°C (38°F) and a maximum of 21°C (70°F). Precipitation is also more abundant in January, totaling 55 mm (2.1 in) over about 9 days, compared to April's 30 mm (1.2 in) over 8 days. Additionally, January has a higher humidity level of 97% compared to April's 86%, contributing to a generally colder and more damp atmosphere. For more detailed insights, you can check Sundsvall weather in January.
When comparing the weather in April and February, it is evident that April experiences a significant rise in temperatures. In April, the minimum temperature is -14°C (7°F), while the average temperature reaches 3°C (38°F), and the maximum can reach up to 21°C (70°F). In contrast, February is notably colder, with temperatures dropping to a minimum of -22°C (-7°F), an average of -5°C (23°F), and a maximum of just 8°C (47°F).
Precipitation also varies between the two months; April sees about 30 mm (1.2 in) of rain over 8 days, whereas February has more precipitation at 44 mm (1.7 in), also spread over 8 days. Additionally, February has a higher humidity level at 95%, compared to April's 86%. For a detailed look at February's weather, visit Sundsvall weather in February.
April's weather marks a noticeable transition from the chill of March, with temperatures rising significantly from a minimum of -23°C (-10°F) in March to a milder -14°C (7°F) in April. The average temperature also climbs to 3°C (38°F) in April, compared to March's average of -1°C (30°F). While March experiences slightly more precipitation at 45 mm (1.8 in) over 9 days, April sees less moisture with 30 mm (1.2 in) across 8 days and a decrease in humidity from 92% to 86%. For a more detailed comparison, you can check Sundsvall weather in March.
April and May present noticeable differences in weather patterns. April experiences temperatures ranging from a chilly minimum of -14°C (7°F) to a comfortable maximum of 21°C (70°F), with an average of just 3°C (38°F). It sees a total precipitation of 30 mm (1.2 in) over 8 days and maintains a high humidity level of 86%. In contrast, May showcases a milder climate, with temperatures varying from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), and an average temperature of 9°C (48°F). The month receives slightly more rainfall at 37 mm (1.5 in) over 9 days, yet the humidity decreases to 80%. For more detailed information about the weather in May, you can check this link: Sundsvall weather in May.
April's weather is characterized by its chilly temperatures, with a minimum of -14°C (7°F) and an average of only 3°C (38°F), creating a significant contrast to June's much warmer climate. In June, temperatures rise dramatically, reaching a pleasant average of 15°C (58°F) and peaking at a maximum of 32°C (90°F). While April experiences less precipitation at 30 mm (1.2 in) over 8 days, June sees an increase to 57 mm (2.3 in) over 9 days, accompanied by lower humidity levels of 76%. For those interested in more specifics about June weather in Sundsvall, refer to this link: Sundsvall weather in June.
April weather is characterized by colder temperatures, with a minimum of -14°C (7°F) and an average of just 3°C (38°F), while July brings much warmer conditions, featuring a minimum of 4°C (40°F) and an average temperature of 16°C (61°F). Precipitation is relatively low in April at 30 mm (1.2 in) over 8 days, compared to July, which sees a significant increase to 77 mm (3.0 in) spread across 11 days. Furthermore, the humidity is moderately high in both months, but slightly higher in April at 86%, compared to July's 80%. For more detailed information about July's climate, you can check out Sundsvall weather in July.
April and August represent two distinct seasons, both showcasing varying weather patterns. In April, temperatures range from a brisk -14°C (7°F) at their lowest to a milder 21°C (70°F) at their peak, with an average of 3°C (38°F). The month sees about 30 mm (1.2 in) of precipitation spread over 8 days, coupled with a high humidity level of 86%. In contrast, August offers a more temperate climate, with temperatures fluctuating between 2°C (36°F) and 27°C (82°F) and an average of 15°C (59°F). It experiences greater precipitation at 74 mm (2.9 in) over 13 days, while still maintaining the same humidity level of 86%. For more detailed insights, you can check Sundsvall weather in August.
April and September present a noticeable contrast in weather patterns. In April, temperatures range from a chilly minimum of -14°C (7°F) to a comfortable maximum of 21°C (70°F), with an average of 3°C (38°F). Although precipitation is relatively low at 30 mm (1.2 in) over 8 days, humidity remains high at 86%. In comparison, September features milder temperatures, with a minimum of -2°C (29°F) and an average of 10°C (51°F), but it can still reach a maximum of 21°C (71°F). However, this month experiences higher precipitation at 64 mm (2.5 in) over 13 days, and humidity increases slightly to 89%. For more detailed insights about September weather, you can visit Sundsvall weather in September.
April and October present notable differences in weather conditions. In April, temperatures fluctuate from a chilly minimum of -14°C (7°F) to a mild maximum of 21°C (70°F), with an average around 3°C (38°F). The month receives about 30 mm (1.2 in) of precipitation over approximately 8 days, accompanied by high humidity levels at 86%. In contrast, October experiences cooler temperatures, ranging from a minimum of -8°C (18°F) to a maximum of 20°C (68°F), with an average temperature of 5°C (42°F). This month is significantly wetter, with around 89 mm (3.5 in) of precipitation spread over 14 days, and humidity increases to 93%. For more detailed information, you can refer to Sundsvall weather in October.
April and November present distinct weather patterns in terms of temperature and humidity. In April, temperatures range from a chilly -14°C (7°F) at night to a pleasant 21°C (70°F) during the day, with an average temperature of 3°C (38°F). The month sees about 30 mm (1.2 in) of precipitation across approximately 8 days, while humidity hovers at 86%. In contrast, November is colder overall, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 13°C (56°F) and an average of 0°C (32°F). Precipitation increases to 47 mm (1.9 in) over about 10 days, and humidity rises to 94%. For a more detailed look at the weather conditions during this month, visit Sundsvall weather in November.
When comparing the weather in April and December, it's clear that there is a significant contrast in temperatures and conditions. April sees a minimum temperature of -14°C (7°F) and an average of 3°C (38°F), culminating in a pleasant maximum of 21°C (70°F), along with relatively low precipitation of 30 mm (1.2 in) over 8 days and a humidity level of 86%. In contrast, December presents a much colder climate, with minimum temperatures dropping to -22°C (-7°F) and an average around -3°C (27°F), peaking at a maximum of 7°C (46°F). December also experiences higher precipitation at 76 mm (3.0 in) across 13 days, coupled with a higher humidity level of 96%. For those interested in exploring the specifics of December weather, you can find more information at Sundsvall weather in December.
April in Sundsvall ushers in a transition from the biting chill of winter to the promise of spring, showcasing a remarkable variety in weather. While temperatures begin to rise, peaking around a pleasant 21°C (70°F), the lingering frost can still surprise with lows dipping to -14°C (7°F). This month also sees increased precipitation with about 30 mm spread across 8 days, contributing to the playful dance of rain and early blossoms. Despite the humidity hovering at a considerable 86%, April stands out for its blend of cool and warmer days, marking a shift that is more vibrant than the drab winter months. For a deeper understanding of how Sundsvall's climate evolves, visit Sundsvall Climate.