April Weather in Vianden, Luxembourg

Last updated: August 21, 2025

April in Vianden, Luxembourg brings a delightful mix of seasonal changes, with temperatures ranging from a brisk -3°C (26°F) to a warm 26°C (78°F). The month averages a pleasant 9°C (48°F), making it an appealing time to explore the area's natural beauty. While residents can expect 41 mm (1.6 in) of precipitation over 9 days, the humidity level hovers around a comfortable 84%, adding a fresh touch to the spring air. Whether you're wandering through picturesque landscapes or enjoying local festivities, April's weather in Vianden offers an invigorating experience perfect for outdoor adventures.

April Temperature in Vianden

In April, Vianden, Luxembourg experiences a refreshing shift as winter gives way to spring. The temperatures begin to rise, with minimums around -3°C (26°F) and averages climbing to 9°C (48°F), while daytime highs can reach a pleasant 26°C (78°F). This month marks a noticeable trend towards milder weather, offering a welcome respite from the colder months of January through March. As nature awakens, visitors can expect invigorating days that celebrate the return of warmth, making it an ideal time for outdoor adventures in this picturesque locale. With such a significant rise in temperature, April truly heralds the arrival of a vibrant spring in Vianden.

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

The chart illustrates April temperature patterns in Vianden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vianden, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec343741485463646457504138
Data source: Temperature data for Vianden generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Vianden

April in Vianden, Luxembourg, sees a noticeable shift in precipitation dynamics, with only 41 mm (1.6 in) of rain accumulating over 9 days—a reduction compared to the previous months. This marks a significant decline from the wetter conditions of March, which delivered 82 mm (3.2 in) over 16 days. The lighter rains of April hint at the arrival of spring, as the landscape begins to rejuvenate with blooming flora. Following a trend of fluctuating monthly precipitation, April's milder conditions signal a transitional phase, paving the way for May's anticipated return to higher precipitation levels, echoing previous months more closely at around 73 mm (2.9 in). This pattern illustrates the unique climatic character of Vianden as it bridges the cooler, wetter early months of the year into a more temperate spring.

April Precipitation Trends in Vianden

The chart displays monthly precipitation patterns in Vianden, 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 Vianden, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7273824173767770637564114
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Vianden

In April, Vianden, Luxembourg experiences a notable drop in humidity, with levels reaching 84%, down from 88% in March. This gradual decrease marks the transition into the spring months, as humidity levels continue to decline toward more moderate figures in May, where it sits at 81%. The trend of lower humidity during this time provides a refreshing contrast to the winter months, characterized by consistently high humidity levels above 90%. As spring unfolds, residents and visitors can enjoy a more comfortable atmosphere, setting the stage for the vibrant beauty that the season brings.

April Average Humidity in Vianden

This chart illustrates the average monthly humidity levels in Vianden, 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 Vianden is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Vianden

As April unfolds in Vianden, Luxembourg, residents and visitors notice a significant increase in the UV Index, rising to 6, which indicates a high exposure category. This marks a shift from the earlier months, where the index remained at more moderate levels. The burn time decreases to just 25 minutes, highlighting the need for sun protection during outdoor activities. With May approaching, the UV Index will continue to climb, reaching 8, signaling that the sun's intensity is on the rise and caution is essential. April serves as a reminder that as spring blossoms, so does the importance of sun safety—keep an eye on the UV levels! For more insights, visit Vianden UV Index.

Maximum UV Index Levels in Vianden for April

The chart shows the monthly maximum UV Index (UVI) for Vianden 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 Vianden typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Vianden 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 Vianden

As spring awakens in Vianden, Luxembourg, April shines brightly with an impressive 347 hours of sunshine, heralding the arrival of warmer days. This month marks a significant leap from the 250 hours recorded in March, creating a vibrant atmosphere that invites residents and visitors alike to enjoy the outdoors. The upward trend continues into May and June, where sunshine peaks, reaching 381 and 401 hours, respectively, promising a delightful continuation of pleasant weather. Interestingly, as summer approaches, sunlight remains abundant, showcasing the region's charm, before gently descending into the cooler months of autumn and winter. This progression not only highlights April's role as a pivotal moment in the seasonal transition but also sets the stage for the joyous, sun-drenched days ahead.

Monthly Sunshine Duration in Vianden: April Highlighted

The April sunshine duration represents the total number of hours Vianden 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h188h250h347h381h401h404h378h311h225h165h104h
Data source: Vianden April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vianden During April

As winter fades and spring emerges, April in Vianden, Luxembourg, offers a promising 46% chance of sunny weather. This marks a notable increase from the preceding months; March sees a respectable 42%, while February lags behind at 31%. The warmth of spring is palpable, and with the likelihood of sun peaking in April, this month serves as a gentle reminder of brighter days ahead. However, as we transition into May and prepare for summer, the chance of sunny weather dips back to 30%, and the fluctuating patterns underscore the unpredictability of Luxembourg’s climate. Embrace April’s inviting sunshine, as it lays the foundation for a delightful spring experience!

Percentage of Sunny Days in April in Vianden

The chart illustrates the percentage of sunny days in Vianden 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 Vianden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%31%42%46%30%30%33%28%38%27%17%12%
Data source: Vianden April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vianden in April

As the days grow longer in April, Vianden experiences a delightful leap in daylight, reaching an average of 13 hours. This marks a significant increase from 11 hours in March and sets the stage for even longer days ahead, peaking in June with 16 hours. The gradual increase from 8 hours in January to April’s bright hours showcases the vibrant transition from winter's grasp to the lively embrace of spring. With daylight steadily extending through May and June, residents and visitors alike can look forward to the invigorating warmth and extended outdoor opportunities, all blossoming beautifully with the spring season.

Average Daylight Hours in Vianden for April

The chart illustrates the variation in daylight duration in Vianden throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 36m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Vianden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Vianden

As April graces Vianden, Luxembourg, the average wind speed settles at a mild 3.4 m/s (8 mph), reflecting a slight dip from the breezier months of earlier spring. This gentle zephyr contrasts with the more vigorous winds experienced in both January and May, which boast averages of 4.0 m/s (9 mph) and 4.2 m/s (9 mph), respectively. The trend suggests that while the winter months start strong and the early summer days bring renewed gusts, April serves as a transitional breath—a perfect moment for leisurely strolls through Vianden's picturesque streets, where the softer winds whisper promises of blooming flowers and the vibrancy of spring.

Average April Wind Speed in Vianden

The chart displays monthly wind speed patterns in Vianden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.83.83.4 m/s4.22.63.03.32.43.73.03.5
Data source: Vianden April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Vianden Compares to Other Months

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

April and January offer distinctly different weather experiences. In April, temperatures range from a chilly minimum of -3°C (26°F) to a pleasant maximum of 26°C (78°F), with an average temperature of 9°C (48°F). This month sees less precipitation than January, with 41 mm (1.6 in) over about 9 days, accompanied by a humidity level of 84%. In contrast, January features much colder conditions, with temperatures ranging from -14°C (8°F) to a maximum of 11°C (52°F), resulting in an average of only 1°C (35°F). It also has higher precipitation at 72 mm (2.8 in) over 12 days and an even greater humidity of 91%. For more details, you can refer to Vianden weather in January.

In comparing the weather between April and February, April brings milder temperatures with an average of 9°C (48°F), peaking at 26°C (78°F), while February is colder, with an average of just 3°C (37°F) and a maximum of 18°C (65°F). February experiences more substantial precipitation, totaling 73 mm (2.9 in) over 12 days, compared to April's 41 mm (1.6 in) spread over 9 days. Additionally, February has slightly higher humidity levels at 90%, while April's humidity averages around 84%. For a more detailed look at February's climate specifics, you can check Vianden weather in February.

In comparing the weather of April and March, we can see a noticeable shift in temperatures and precipitation patterns. April boasts a more comfortable average temperature of 9°C (48°F), rising to a maximum of 26°C (78°F), while March experiences chillier conditions with an average of 5°C (42°F) and a maximum of only 21°C (70°F). Despite April's milder temperatures, it receives less precipitation, totaling 41 mm (1.6 in) over 9 days, compared to March's 82 mm (3.2 in) spread across 16 days. Additionally, April's humidity is slightly lower at 84%, compared to March's 88%, indicating a more pleasant atmosphere as spring progresses. For a detailed look at March weather, you can explore Vianden weather in March.

April and May display a notable transition in weather patterns. April tends to have slightly cooler temperatures, with averages around 9°C (48°F) and a maximum of 26°C (78°F), while May sees a rise in warmth, with an average of 12°C (54°F) and highs reaching 30°C (86°F). However, May also experiences increased precipitation, accumulating 73 mm (2.9 in) over 14 days compared to April's 41 mm (1.6 in) over 9 days. Humidity remains relatively high in both months, at 84% in April and slightly lower at 81% in May. For more details on May weather specifically, visit Vianden weather in May.

In April, temperatures range from a chilly minimum of -3°C (26°F) to a comfortable maximum of 26°C (78°F), with an average of 9°C (48°F). The month sees around 41 mm (1.6 in) of precipitation spread over approximately 9 days, contributing to a relatively high humidity of 84%. In contrast, June offers warmer weather, with a minimum temperature of 6°C (43°F) and an average of 17°C (63°F), peaking at 32°C (90°F). However, it also experiences higher rainfall with 76 mm (3.0 in) over 13 days, keeping humidity levels slightly lower at 82%. For more detailed information, you can explore Vianden weather in June.

April weather tends to be cooler with a minimum temperature of -3°C (26°F) and an average of 9°C (48°F), while July offers milder conditions, featuring a minimum of 6°C (44°F) and an average of 18°C (65°F). The maximum temperatures in April can reach up to 26°C (78°F), whereas July sees higher extremes, peaking at 37°C (99°F). Precipitation is more pronounced in July, with 77 mm (3.0 in) falling over 11 days compared to April's 41 mm (1.6 in) over 9 days. Both months have relatively high humidity levels, with April at 84% and July slightly lower at 82%. For a closer look at July conditions, you can check Vianden weather in July.

April weather is characterized by a significant range in temperatures, with a minimum of -3°C (26°F) and a maximum of 26°C (78°F), averaging around 9°C (48°F). This month experiences light precipitation, totaling 41 mm (1.6 in) over about 9 days and a high humidity level of 84%. In contrast, August offers much warmer temperatures, with a minimum of 5°C (41°F), an average of 18°C (64°F), and highs reaching up to 34°C (93°F). Precipitation increases to 70 mm (2.7 in), spread across about 14 days, and humidity remains slightly lower at 80%. For more insights into August weather, you can explore Vianden weather in August.

April and September present contrasting weather patterns as spring transitions into autumn. In April, temperatures range from a brisk minimum of -3°C (26°F) to a mild average of 9°C (48°F), peaking at a warm 26°C (78°F). The month sees about 41 mm (1.6 in) of precipitation, spread across 9 days, with humidity levels around 84%. In contrast, September offers a more temperate climate, with minimum temperatures of 3°C (37°F), an average of 14°C (57°F), and maximums reaching 32°C (90°F). Precipitation increases slightly to 63 mm (2.5 in) over the same number of days, while humidity remains comparable at 83%. For a closer look at specific conditions, you can check out Vianden weather in September.

April and October present distinct weather patterns, reflecting the transition between seasons. In April, temperatures can drop as low as -3°C (26°F) and reach a warm maximum of 26°C (78°F), with an average temperature of 9°C (48°F). The month sees approximately 41 mm (1.6 in) of precipitation over 9 days, accompanied by a relatively high humidity level of 84%.

In contrast, October experiences slightly milder temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (75°F), averaging around 10°C (50°F). However, this month also brings more precipitation, with about 75 mm (3.0 in) over 11 days and a higher humidity of 89%. For more specific information on October weather, visit Vianden weather in October.

April and November present contrasting weather patterns, showcasing the transition between spring and autumn. In April, temperatures range from a minimum of -3°C (26°F) to a maximum of 26°C (78°F), with an average of 9°C (48°F) and a relatively moderate humidity of 84%. The month sees approximately 41 mm (1.6 in) of precipitation over about 9 days. In contrast, November experiences cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 18°C (65°F), averaging around 5°C (41°F). This month is also wetter, with about 64 mm (2.5 in) of rain over 12 days and a higher humidity level of 91%. For a closer look at the specific conditions in November, you can check Vianden weather in November.

April and December exhibit quite contrasting weather patterns. In April, temperatures show a significant range, with a minimum of -3°C (26°F) and a maximum of 26°C (78°F), resulting in a mild average of 9°C (48°F). The month experiences relatively lower precipitation at 41 mm (1.6 in) over about 9 days, paired with a humidity level of 84%. In contrast, December is considerably colder, with average temperatures peaking at 3°C (38°F) and dipping to a minimum of -5°C (23°F). It also sees much more rainfall, totaling 114 mm (4.5 in) across 19 days, and higher humidity levels at 93%. For more detailed information, you can check Vianden weather in December.

Compare Vianden's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Vianden

As April in Vianden ushers in the warmth of spring, it stands out with its fluctuating temperatures and noticeable shift from the chill of winter. With daytime highs reaching a pleasant 26°C and an average of 9°C, the month brings a refreshing change, though some nights can still get quite brisk, dipping to -3°C. Rainfall, at 41 mm over about nine days, adds a touch of greenery to the beautiful landscapes, while the humidity remains relatively high at 84%, reminding us of the coming summer. Overall, April serves as a gentle transition, contrasting sharply with the colder months and laying the foundation for the lushness of late spring and summer. For a deeper dive into the weather patterns, visit Vianden Climate.