Climate and monthly weather forecastVianden, Luxembourg
Climate and monthly weather forecast
The climate of Vianden
Nestled within the heart of Europe, Vianden, Luxembourg is situated in a dominantly Marine west coast climate following the Köppen climate classification. The specific classification is known as "Cfb", depicting warm summers. The annual temperature fluctuates moderately from -1.8°C (28.8°F) to 20.9°C (69.6°F), providing mild to warm weather throughout the year. No month goes without some precipitation, ensuring a healthy level of humidity all year round.Reviewing the yearly climate, from January to December, temperatures progressively rise before gradually decreasing again. Highest temperatures occur from June to August, with the mercury rising up to 20.8°C (69.4°F), while the lowest ones are registered in the winter months, dropping to -1.8°C (28.8°F). Rainfall distribution remains fairly consistent, ranging from a low of 37mm (1.46") to a high of 76mm (2.99"), with no pronounced dry months. Deviating slightly, the greatest rainfall is observed in June and December, whereas April sees the least amount.
When it comes to sunshine duration, Vianden does experience noticeable differences throughout the months. Longer daylight hours from 13.8 to 16.3 hours and higher sunshine duration from 7.3 to 8.7 hours are seen from April to August, highlighting the brighter summer months. On the contrary, November and December see the shortest days, with daylight hours dipping to 9.1 and 8.2 hours respectively.
The best time to visit Vianden
For tourists seeking comfortable weather coupled with more hours of daylight, the period from late spring to early summer, specifically May through July, emerges as an ideal time to visit Vianden. In these months, they can enjoy average maximum temperatures ranging between 15.6°C (60.1°F) to 20.8°C (69.4°F) and relatively low rainfall from 37mm (1.46") to 56mm (2.2"). Additionally, these months also boast remarkable daylight hours, notably 15.4 to 16.3 hours, and maximum sunshine duration close to 8 hours.The worst time to visit Vianden
Contrastingly, the period from November to January could be challenging for the visitors. While Vianden does not witness extreme weather, these months report the lowest temperatures, dipping to -1.8°C (28.8°F). Furthermore, the daylight hours are shortest, merely reaching 9.1 to 8.2 hours, coupled with the least sunshine. Heavy rainfall, reaching as much as 76mm (2.99"), and considerable snowfall within 86mm (3.39") to 90mm (3.54"), also characterize this period.Spring weather in Vianden
With the arrival of spring in Vianden, the weather starts showing signs of warmth from March to May. The temperatures exhibit a decent rise in this season, averaging between 8.1°C (46.6°F) during March to a comfortable 15.6°C (60.1°F) by May. Rainfall remains moderate, within 54mm (2.13") to 56mm (2.2"), coupled with lesser snowfall, dwindling from 41mm (1.61") in March to nearly negligible by May. With daylight hours increasing steadily from 11.9 to 15.4 hours and sunshine duration ascending from 5.1 to 7.6 hours, spring in Vianden offers a welcome break from the winters.Summer weather in Vianden
Summer, occurring from June to August, brings forth the warmest weather in Vianden. The city basks in the glow of maximum temperatures hovering between 19°C (66.2°F) and 20.9°C (69.6°F). While rainfall does see a slight increase, peaking to 69mm (2.72") in June, daylight hours remain plentiful, ranging from 15.9 to 16.3 hours. Consequently, maximum sunshine duration is registered in these months, touching the highest at 8.7 hours in July.Autumn weather in Vianden
Autumn months of September through November see a gradual decrease in temperatures, falling from 17.4°C (63.3°F) in September to 7.3°C (45.1°F) by November. Rainfall distribution during these months swings from a low of 38mm (1.5") to a rise of 54mm (2.13") by November. Daylight becomes progressively shorter, dropping from 12.6 to 9.1 hours, and sunshine duration also experiences a fall, declining from 7.2 to 3.1 hours.Winter weather in Vianden
Winters in Vianden, from December to February, are characterized by the year's lowest temperatures and increased precipitation. The mercury plunges to -1.8°C (28.8°F) during the winter months. Rainfall ranges from 51mm (2.01") to 76mm (2.99"), and snowfall also sees a surge, increasing from 28mm (1.1") in December to a high of 90mm (3.54") in February. Daylight hours shortest of the year are witnessed during this season, decreasing to 8.2 hours in December.Weather in January
The beginning of the year in Vianden, Luxembourg, is characterized by a chilly ambiance with substantial snowfall of 76mm (2.99"), the second highest in the year, spanning over an average of 9.7 days. The winter season pervades the atmosphere with consistently colder temperatures and reduced daylight hours. Weather in January »Weather in February
Following a wintry start to the year in January, February continues with the trend of cold weather and more snowfall, though less prevalent this time around. While temperatures remain consistently low, daylight hours gradually start to increase, signaling the nearing arrival of spring. Weather in February »Weather in March
The weather in March marks a transition point in the Vianden weather cycle. There is a noticeable change in the climate parameters as winter makes space for the spring season. Cloud cover continues to decrease leading to an increment in sunshine hours. Weather in March »Weather in April
April weather in Vianden, Luxembourg, shifts significantly from that of March, with a noticeable increase in average high and low temperatures at 13.1°C (55.6°F) and 3.7°C (38.7°F), respectively. As the spring season sets in, more consistent and longer periods of daylight grace the city. Weather in April »Weather in May
Vianden, Luxembourg, in the month of May, ushers in a warm and welcoming atmosphere. An escalation in temperatures is observed in comparison to the prior month, indicative of summer's impending arrival. Conditions become decidedly sunnier, with increased daylight hours, though occasionally interspersed with bouts of rainfall as remnants of spring. Weather in May »Weather in June
As summer arrives in Vianden, Luxembourg, June is distinguished by its generously warm atmosphere, making it an ideal time for outdoor pursuits. Temperatures continue the upward trend seen in May, further increasing the warmth. The city receives the most extended hours of daylight in the year, while the rainfall reduces slightly, resulting in an overall dry climate. Weather in June »Weather in July
July in Vianden, Luxembourg, witnesses the highest average high temperature of the year at 20.8°C (69.4°F). It represents the peak of summer with the most eminent temperatures, maximum UV index, and the longest hours of sunshine. Weather in July »Weather in August
In contrast to July, the city of Vianden, Luxembourg, in August, starts to experience a slight dip in temperature as it gets ready to bid adieu to the summer season. The change is however marginal, keeping the climate for the most part warm, with carrying overs of the heat wave from July. Weather in August »Weather in September
September in Vianden, Luxembourg, signifies the dawn of autumn. As the leaves start to change color, the temperature starts dropping, showcasing a significant fall from the summer high. Sunshine hours continue to decrease, yet stay longer than the winter months. Weather in September »Weather in October
October in Vianden, Luxembourg, carries forth the autumn spirit initiated by September. Temperatures continue to cool down as the city prepares to enter winter, reverting closer to the figures seen at the start of the year. The daylight hours continue to decrease, but sunshine is still plentiful throughout the month. Weather in October »Weather in November
November in Vianden, Luxembourg, marks the transition from autumn to winter. As autumn leaves make way for winter snow, the city witnesses a considerable drop in temperatures. The overall weather turns cooler compared to October, and daylight hours further retreat. Weather in November »Weather in December
In the city of Vianden, Luxembourg, December brings back the winter ambiance, coming full circle from January. The temperatures descend considerably, with an average low temperature hitting a chilly -0.3°C (31.5°F). Snowfall, similar to the trend seen at the start of the year, makes a comeback, with accumulation measuring up to 86mm (3.39") over an average of 8.1 days. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Vianden, Luxembourg
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.5°C).
The months with the highest average low temperature are July and August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure
Vianden, Luxembourg
- Average pressure in January:
1017.3mbar - Average pressure in February:
1016.1mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.7mbar - Average pressure in August:
1015.9mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1013.8mbar - Average pressure in December:
1017.8mbar
The months with the highest atmospheric pressure are September and December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed
Vianden, Luxembourg
- Average wind speed in January:
15.6km/h - Average wind speed in February:
16.2km/h - Average wind speed in March:
15.3km/h - Average wind speed in April:
12.2km/h - Average wind speed in May:
11.6km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.7km/h - Average wind speed in August:
10km/h - Average wind speed in September:
10.5km/h - Average wind speed in October:
12.2km/h - Average wind speed in November:
14km/h - Average wind speed in December:
15.9km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity
Vianden, Luxembourg
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).
Average rainfall
Vianden, Luxembourg
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days
Vianden, Luxembourg
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
15.3 days - Average rainfall days in December:
15.4 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (11.1 days).
Average snowfall
Vianden, Luxembourg
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Vianden, Luxembourg
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Vianden, Luxembourg
- Average daylight in January:
8h and 42min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 24min - Average daylight in June:
16h and 18min
- Average daylight in July:
15h and 54min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 6min - Average daylight in December:
8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 18min - Average sunshine in May:
7h and 36min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
8h and 42min - Average sunshine in August:
8h and 36min - Average sunshine in September:
7h and 12min - Average sunshine in October:
4h and 42min - Average sunshine in November:
3h and 6min - Average sunshine in December:
2h and 36min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days
Vianden, Luxembourg
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
7.2 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
13 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is June (7.2 days).
Average UV index
Vianden, Luxembourg
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Vianden, Luxembourg
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility
Vianden, Luxembourg
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, October, November and December (7km).








