April Weather in Sonderborg, Denmark

Last updated: October 30, 2025

April in Sonderborg, Denmark brings a delightful mix of spring warmth and occasional showers. Average temperatures hover around a cool 8°C (46°F), with daytime highs reaching up to 23°C (74°F), while nights can dip as low as -2°C (29°F). This month sees 37 mm (1.5 in) of precipitation spread across 8 days, contributing to the lush, blooming landscape and a refreshing humidity of 84%. Whether you're enjoying the sunny stretches or the tranquil rainy spells, April offers a unique and vibrant atmosphere in Sonderborg.

April Temperature in Sonderborg

In April, Sonderborg, Denmark, experiences a notable shift as winter recedes and spring unfolds. Temperatures during this month showcase a marked increase, with average temperatures rising to 8°C (46°F), while daytime highs can reach a mild 23°C (74°F), creating a welcoming atmosphere for outdoor activities. The minimum temperature settles around -2°C (29°F), hinting at the lingering chill of early spring nights. This progressive warmth serves as a stark contrast to the biting cold of January and February, where temperatures often plummeted below freezing. As nature awakens, the pleasant April climate invites both locals and visitors to enjoy the blossoming landscapes and vibrant events that characterize this enchanting time of year.

April Weather in Sonderborg: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sonderborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonderborg, April typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (74°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec383740465362646458524540
Data source: Temperature data for Sonderborg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sonderborg

In April, Sonderborg, Denmark experiences a noticeable dip in precipitation, with only 37 mm (1.5 in) of rainfall falling over 8 days. This marks a decrease compared to the wetter months preceding it, as both January and February recorded higher totals of 48 mm (1.9 in) and 57 mm (2.3 in) respectively. Following a trend of increasingly wet conditions during the spring, March saw an increase with 63 mm (2.5 in) across a similar number of rainy days. April’s lower precipitation serves as a brief respite before the arrival of May, which typically brings more rain, further shifting the seasonal balance. This seasonal ebb and flow underscores the region's dynamic weather pattern, highlighting April as a transitional month toward the wetter summer ahead.

April Precipitation Trends in Sonderborg

The chart displays monthly precipitation patterns in Sonderborg, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sonderborg, April typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec485763386361677765824960
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sonderborg

As April arrives in Sonderborg, Denmark, the humidity begins to dip slightly to 84%, a refreshing change following the consistently high levels experienced in the winter months. This marks a gradual transition from the 89% humidity of January, easing down as spring unfolds. The trend highlights a steady decline in humidity through the months, moving from a peak in winter to a more moderate level as summer approaches. May further reduces this to 79%, indicating a shift towards drier conditions that will continue into the summer months. Overall, April serves as a pivotal point, bridging the wet chill of spring with the warmer, more stable atmosphere of the season ahead.

April Average Humidity in Sonderborg

This chart illustrates the average monthly humidity levels in Sonderborg, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sonderborg is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sonderborg

As April arrives in Sonderborg, Denmark, the UV Index rises to 5, marking a shift into the moderate exposure category. This increase signals a transition from the lower indices of winter, where burn times were notably longer, to a more cautious approach to sun exposure as days grow longer and sunnier. With a burn time of just 30 minutes, it's essential for sun-seekers to be mindful and protect their skin when enjoying the outdoors. The trend highlights the importance of adapting to changing UV levels, as May will bring an even higher index of 6. For more detailed insights, check the Sonderborg UV Index for safe sun practices.

Maximum UV Index Levels in Sonderborg for April

The chart shows the monthly maximum UV Index (UVI) for Sonderborg in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Sonderborg typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765321
Data source: Sonderborg April UVI data generated using information from the Copernicus Climate Change Service.

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.

April Sunshine in Sonderborg

As April unfolds in Sonderborg, Denmark, the town basks in an impressive 362 hours of sunshine, marking a significant leap from the earlier months. The steady increase in daylight hours is evident as winter's grip loosens; January's mere 101 hours of sunshine quickly gives way to February's 180 hours and March's 251 hours. This upward trend peaks in April, paving the way for even brighter days in May and June, where sunshine exceeds 400 hours. The transition from the darker winter months to the vibrant spring is palpable, inviting residents and visitors alike to savor the warmth and joy that longer days bring.

Monthly Sunshine Duration in Sonderborg: April Highlighted

The April sunshine duration represents the total number of hours Sonderborg experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec101h180h251h362h414h430h440h401h314h250h154h116h
Data source: Sonderborg April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sonderborg During April

As April unfolds in Sonderborg, Denmark, residents and visitors alike can embrace a notable shift in the weather, with the chance of sunny days rising dramatically to 50%. This marks a significant increase from the preceding months, where the likelihood hovered around just 19% in January and gradually climbed to 36% by March. Such trends indicate that spring is in full swing, bringing a welcome respite from the winter gloom. Interestingly, while clouds tend to return with the arrival of May, April stands out as a bright spot in the early months of the year, encouraging outdoor activities and the enjoyment of the blossoming scenery.

Percentage of Sunny Days in April in Sonderborg

The chart illustrates the percentage of sunny days in Sonderborg throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sonderborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%37%50%23%34%30%37%28%26%17%22%
Data source: Sonderborg April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sonderborg in April

As spring awakens in Sonderborg, Denmark, April shines brightly with a notable increase in daylight, boasting 14 hours of sunlight. This uplifting surge follows the gradual ascent from 11 hours in March, reflecting the region’s transition into the longer days of the warmer months. As the year progresses towards summer, daylight continues to expand, peaking in June with 17 hours. The pattern reveals a vibrant seasonal rhythm, with each month stepping up from the brief sunlight of winter to the lush, illuminated days of spring and summer, making April a delightful precursor to the longer evenings that follow.

Average Daylight Hours in Sonderborg for April

The chart illustrates the variation in daylight duration in Sonderborg throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 51m9h 41m11h 53m14h 9m16h 10m17h 15m16h 40m14h 50m12h 39m10h 25m8h 22m7h 15m
Data source: Sonderborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Sonderborg

As April arrives in Sonderborg, Denmark, the wind continues to whisper its tale, boasting an average speed of 4.7 m/s (10 mph), a pace consistent with the preceding months. Following a slight fluctuation through the winter and early spring, where wind speeds danced between 4.6 m/s and 5.1 m/s, April's breezy embrace mirrors January’s calmness, providing an invigorating backdrop for the emerging blooms. Interestingly, the trend reveals a gentle cooling of winds as the year progresses; by summer in June, the average dips to 3.6 m/s (8 mph), offering a serene contrast to the vibrant energy of spring. As we move through the months, it becomes clear that April serves as a transitional moment – where the winds remind us of the lingering chill while also heralding the warmth to come.

Average April Wind Speed in Sonderborg

The chart displays monthly wind speed patterns in Sonderborg, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.75.14.64.7 m/s4.43.64.14.64.05.14.64.9
Data source: Sonderborg April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Sonderborg Compares to Other Months

Weather in Sonderborg varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sonderborg, focusing on differences in temperature, rainfall, humidity, and UV levels.

April generally offers a more moderate climate compared to January. With temperatures ranging from a low of -2°C (29°F) to a pleasant high of 23°C (74°F), April experiences a significant increase in warmth, averaging around 8°C (46°F). In contrast, January suffers from much colder temperatures, with a minimum of -9°C (15°F) and an average of only 3°C (38°F), peaking at 11°C (53°F).

In terms of precipitation, January sees slightly more rain at 48 mm (1.9 in) over 11 days, compared to April's 37 mm (1.5 in) across 8 days. Moreover, April has a lower humidity level at 84%, while January's humidity hovers around 89%. For further insights on January weather, you can check Sonderborg weather in January.

April generally offers a milder climate compared to February, with average temperatures rising from February’s chill of 3°C (38°F) to a more pleasant 8°C (46°F). While February experiences colder nights with lows reaching -14°C (7°F) and a maximum of only 14°C (58°F), April’s temperatures can vary greatly, peaking at a warm 23°C (74°F). Additionally, precipitation is slightly lower in April, with 37 mm over 8 days, compared to February's 57 mm over 12 days. Humidity is also high in both months, but April’s 84% feels more comfortable than the 88% recorded in February. For a detailed outlook on February weather, you can visit Sonderborg weather in February.

April and March present contrasting weather patterns. In April, temperatures show a noticeable increase, with a minimum of -2°C (29°F) and an average of 8°C (46°F), peaking at 23°C (74°F). This is a significant improvement compared to March, where temperatures range from a minimum of -8°C (19°F) to a maximum of 16°C (60°F) with an average of only 4°C (40°F). Additionally, April experiences less precipitation at 37 mm (1.5 in) over 8 days, while March sees higher rainfall totaling 63 mm (2.5 in) across 12 days. Humidity levels are similar in both months, with April at 84% and March slightly higher at 87%. For more detailed insights into March weather, you can visit Sonderborg weather in March.

April and May offer distinct shifts in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 23°C (74°F), with an average temperature of 8°C (46°F). The month experiences about 37 mm (1.5 in) of precipitation over 8 days, accompanied by high humidity at 84%. In contrast, May sees a gradual warming trend with minimum temperatures rising to 1°C (35°F) and maximums reaching 25°C (77°F), resulting in an average of 12°C (54°F). However, May is slightly wetter, with 63 mm (2.5 in) of rainfall over 11 days and a humidity level of 79%. For those interested in more detailed insights, visit Sonderborg weather in May.

In April, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 23°C (74°F), with an average of 8°C (46°F). The month experiences a fair amount of rainfall, totaling 37 mm (1.5 in) over about 8 days, accompanied by high humidity at 84%. In contrast, June sees a more pleasant temperature spectrum, with minimums at 7°C (46°F) and maximums reaching up to 28°C (83°F), averaging around 17°C (62°F). This month is slightly wetter, with precipitation totaling 61 mm (2.4 in) across 11 days, though humidity drops to 75%. For a closer look at what to expect, check out Sonderborg weather in June.

April and July present contrasting weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 23°C (74°F), with an average of 8°C (46°F). The month experiences about 37 mm (1.5 in) of precipitation spread over 8 rainy days, coupled with a high humidity of 84%. In contrast, July offers milder conditions, where temperatures start at 9°C (48°F) and can reach up to 31°C (87°F), with an average of 18°C (64°F). Rainfall increases to 67 mm (2.6 in) across 12 days, though humidity drops to a more comfortable 76%. For more detailed information on July weather, visit Sonderborg weather in July.

April and August present contrasting weather conditions. In April, temperatures can vary significantly, ranging from a chill of -2°C (29°F) at night to a cozy 23°C (74°F) during the day, with an average of 8°C (46°F). The month sees about 37 mm (1.5 in) of precipitation over approximately 8 days, accompanied by high humidity levels at 84%. In contrast, August enjoys milder mornings with a minimum of 8°C (46°F) and can reach up to 32°C (89°F) during the warmer days, averaging 18°C (64°F). However, it is also wetter, with precipitation totaling 77 mm (3.0 in) across roughly 13 days, and slightly lower humidity at 77%. For more information, you can check Sonderborg weather in August.

April and September present contrasting yet enjoyable weather conditions. In April, temperatures range from a chilly -2°C (29°F) at night to a pleasant 23°C (74°F) during the day, with an average of 8°C (46°F). Rainfall is moderate at 37 mm (1.5 in) across about 8 days, and the humidity remains high at 84%. By September, however, the climate shifts to milder conditions with temperatures starting from a minimum of 5°C (42°F), rising to an average of 15°C (58°F) and reaching a maximum of 27°C (80°F). Rainfall increases slightly to 64 mm (2.5 in) over approximately 11 days, although the humidity remains constant at 84%. For a detailed look at September weather, you can visit Sonderborg weather in September.

April and October in Sonderborg present distinct weather patterns, although they share some similarities in temperature extremes. April typically sees a minimum temperature of -2°C (29°F) and an average of 8°C (46°F), while October starts slightly warmer with a minimum of 1°C (34°F) and an average of 11°C (52°F). Both months can reach a maximum of 23°C (74°F), but October features significantly more precipitation at 82 mm (3.2 in) over 14 days compared to April's 37 mm (1.5 in) over 8 days. Additionally, October's humidity is slightly higher at 87%, compared to April's 84%. For a more detailed view of October weather, visit Sonderborg weather in October.

April and November present contrasting weather patterns, with April generally being milder during the day, showcasing temperatures that range from a minimum of -2°C (29°F) to a maximum of 23°C (74°F). The average temperature in April is about 8°C (46°F), accompanied by 37 mm (1.5 in) of precipitation over eight days, while humidity hovers at around 84%. In contrast, November brings cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 17°C (63°F), leading to an average of 7°C (45°F). This month experiences slightly more precipitation at 49 mm (1.9 in) over 11 days, coupled with higher humidity at 88%. For more specifics on this month, visit Sonderborg weather in November.

April and December showcase stark contrasts in weather. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 23°C (74°F), with an average of 8°C (46°F). There is a moderate amount of precipitation at 37 mm (1.5 in) over approximately 8 days, accompanied by relatively high humidity at 84%. In contrast, December brings colder conditions, with temperatures dipping lower, ranging from a minimum of -14°C (8°F) to a maximum of only 11°C (52°F), leading to an average of 4°C (40°F). Additionally, December experiences more rainfall, totaling 60 mm (2.4 in) spread over 13 days, and a slightly higher humidity of 87%. For more details about December weather in the region, you can visit Sonderborg weather in December.

Compare Sonderborg's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Sonderborg

April in Sonderborg marks a notable transition from the harshness of winter to the budding warmth of spring. While temperatures can climb to a pleasant 23°C (74°F), the average remains a cool 8°C (46°F), reminding us that cool breezes can linger. Unlike the wetter months that precede it, April brings a moderate 37 mm of precipitation over approximately 8 days, allowing for a refreshing mix of sunshine and rain that nurtures the blooming landscape. As humidity sits at 84%, this month signifies a shift where winter's chill is gradually replaced by the vibrant signs of new life. For a deeper dive into the climate of this charming Danish town, visit Sonderborg Climate.