Climate and monthly weather forecastWiltz, Luxembourg
Climate and monthly weather forecast
The climate of Wiltz
Residing in the northwestern region of Luxembourg, Wiltz is distinctly characterized by a Cfb Köppen climate categorization, more commonly designated as Marine West Coast, warm summer. Varied weather conditions distributed evenly through the year define the climate of Wiltz. A shoulders season from march to June and September to November, indicates relatively mild temperatures and adequate rainfall. Temperatures exceeding 20°C (68°F) are a common occurrence during the peak summers from June to August.Wiltz's climate cycles through a clear gradient of temperatures throughout the year, with averages fluctuating from a bitingly chilly -1.8°C (28.8°F) in winter months, upto a pleasantly warm 20.9°C (69.6°F) in the height of summer. Rainfall in this region is a common incident, presenting itself in every month, with precipitation peaking at 76mm (2.99") in December and taking a slight dip to a minimum of 37mm (1.46") in April. Snowfall, although not a constant companion, does make its appearance known, with January and December being the fairytale months with snow cover going up to 90mm (3.54") and 86mm (3.39") respectively.
Unique weather patterns manifest themselves in Wiltz, particularly when considering sunshine durations. Despite the prevalent cloud cover varying from 44% to 76%, daylight hours range from a minimum of 8.2 hours in December gradually increasing to a maximum of 16.3 hours in June. This makes for bright sunny days in the peak of summer. The pressure fluctuates marginally, sticking close to an average of 1016 mb throughout the year.
The best time to visit Wiltz
Reflecting on parameters such as temperature, rainfall, and sunshine hours, the recommended period for a visit to Wiltz would be from June to August. During these months, temperatures maintain at around 20°C (68°F) creating pleasant conditions perfect for outdoor activities. Furthermore, these months are characterized by extended daylight hours, reaching up to 16.3 hours in June. Thus, this time of the year provides ample opportunity to soak in the sights and experiences that Wiltz has to offer.The worst time to visit Wiltz
Contrarily, the period between December and February might not be the ideal time for a visit. The thermometer's reading spirals down to low temperatures between -1.8°C (28.8°F) to 3.3°C (37.9°F) during these months. Additionally, December records the highest rainfall at 76mm (2.99"), adding to the overall chilly conditions.Spring weather in Wiltz
Spring, which extends from March to May, in Wiltz sees an increase in temperatures from 8.1°C (46.6°F) to 15.6°C (60.1°F). Additionally, daylight hours intensify, growing to a plentiful 15.4 hours by May. This season, however, does experience frequent rainfall, with April recording the lowest average rainfall for the year at 37mm (1.46").Summer weather in Wiltz
Warm summer conditions prevail in Wiltz from June to August, with temperatures peaking at 20.9°C (69.6°F) in the month of July and August. Coinciding with this, the months also account for the longest daylight durations reaching a maximum of 16.3 hours in June, making it ideal for outdoor explorations.Autumn weather in Wiltz
Wiltz experiences Autumn from September to November with temperatures dropping progressively from 17.4°C (63.3°F) to 7.3°C (45.1°F). Rainfall during this season sees an uptick, with November reporting an average of 54mm (2.13").Winter weather in Wiltz
During the winter months from December to February, the weather in Wiltz turns quite cold, with average temperatures ranging from -1.8°C (28.8°F) to 3.3°C (37.9°F). Moreover, these months also witness shorter daylight hours, reducing to a mere 8.2 hours by December. This season sees quite a bit of snowfall, with January being the snowiest month with an average snowfall reaching 90mm (3.54").Weather in January
January in Wiltz, Luxembourg, tends to be a snowy month with the city experiencing snowfall for about 9.7 days. It serves as the coldest month, an emblematic arrival of winter, with decreased daylight hours causing the city to fall into a shorter day, longer night rhythm. Weather in January »Weather in February
Shifting into February, the weather in Wiltz continues its winter journey. Despite the continuation of cold weather, snowfall slightly decreases compared to January. The city experiences a relative increase in daylight hours, marking the gradual approach towards spring. Weather in February »Weather in March
By March, Wiltz starts transitioning from winter to early spring. Average temperatures rise and the city bears witness to decreased snowfall and an overall increase in rainfall. An increased daylight duration is evident, setting the stage for blooming flora in the coming months. Weather in March »Weather in April
In April, Wiltz bids farewell to winter as warmer temperatures pave the way for spring. The bare trees start to fill with green leaves, boosting devotions to outdoor spaces. Boosting such trends, snowfall occurrences become nearly unseen. Weather in April »Weather in May
May in Wiltz is a manifestation of spring in all its glory. It provides a clear transition from spring to early summer in terms of temperature, light, and precipitation. Noticeably, the city experiences the longest sunshine duration of approximately 7.6 hours per day. Weather in May »Weather in June
Entering June, the city of Wiltz welcomes summer with open arms. The daylight duration reaches its peak and temperatures, both high and low, continue to escalate. Summer showers are an erratic companion to the sunny days, increasing soil moisture and fuelling lush green landscapes. Weather in June »Weather in July
July is the heart of summer in Wiltz, treating its residents to warm days and plenty of sunlight. The temperature manages to maintain a comfortable range, offering optimal conditions for exploring the city’s summer attractions. The percentage of relative humidity decreases to 82%, the lowest of the year. Weather in July »Weather in August
August, although still technically summer, carries the first signs of the upcoming fall season in Wiltz. A minor drop in temperature fails to disrupt summer outdoor activities. However, humidity increases slightly, filling the cityscape with a muggy feel. Weather in August »Weather in September
September signifies the arrival of autumn in Wiltz, with temperatures beginning to tread on the lower side. Tree canopies begin to change their colours, adding a unique charm to the city's palette. Correspondingly, daylight hours decrease as the nights start to grow longer. Weather in September »Weather in October
October continues the march towards winter, with Wiltz's weather turning significantly cooler. Foliar decadence transforms the city into hues of yellow and orange, offering residents and visitors a taste of true autumn. Rainfall decreases relative to September, fostering favourable conditions for enjoying the fall-inspired environment. Weather in October »Weather in November
November marks the urgent approach of winter in Wiltz. With plenty of overcast days, it emanates an ambiance of the impending winter. Chilly temperatures become the norm, preparing the city for the winter season. As another indicator of the seasonal transition, snowfall resumes after being absent since May. Weather in November »Weather in December
December welcomes winter back to Wiltz. Frosty temperatures settle in, and the snowfall reappears with increasing frequency. As expected, outdoor activities shift as locals partake in winter sports or retreat by cozy indoor fireplaces. Weather in December »Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest month is January, with an average high-temperature of 2.5°C (36.5°F) and an average low-temperature of -1.8°C (28.8°F).
Throughout the year, there are 189.4 rainfall days, and 645mm (25.39") of precipitation is accumulated.
Months with snowfall in Wiltz are January through May, October through December.
In Wiltz, during the entire year, snow falls for 36.3 days and aggregates up to 327mm (12.87") of snow.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall in Wiltz, Luxembourg. Snow falls for 9.5 days and accumulates 90mm (3.54") of snow.
The least humid month in Wiltz, Luxembourg, is April, with an average relative humidity of 79%.
The month with the least rainfall in Wiltz is April, when the rain falls for 15.3 days and typically collects 37mm (1.46") of precipitation.
June through September are months without snowfall in Wiltz.
The month with the longest days is June, with an average of 16h and 18min of daylight.
July has the most sunshine of the year in Wiltz, with an average of 8.7h of sunshine.
The month with the highest UV index in Wiltz is July, with an average maximum UV index of 5.
August, with average temperatures reaching a high of 20.9°C (69.6°F) and a low of 11.1°C (52°F), is the warmest month.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Wiltz, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The most humid month in Wiltz, Luxembourg, is December, with an average relative humidity of 93%.
December is the month with the most rainfall in Wiltz. Rain falls for 15.4 days and accumulates 76mm (2.99") of precipitation.
The month with the shortest days is December, with an average of 8h and 12min of daylight.
The month with the least sunshine in Wiltz, Luxembourg, is December, with an average of 2.6h of sunshine.
Average temperature
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, Luxembourg
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).
Average rainfall
Wiltz, Luxembourg
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, 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
Wiltz, Luxembourg
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, October, November and December (7km).
