Climate and monthly weather forecastWasserbillig, Luxembourg

Climate and monthly weather forecast

The climate of Wasserbillig

Positioned in the heartland of Luxembourg, Wasserbillig features a climate classified as Cfb under the Köppen climate classification, widely known as a marine west coast, warm summer climate.

Throughout the year, the temperature dynamics in Wasserbillig presents a spread from a low -1.3°C (29.7°F) to a peak of 22.7°C (72.9°F). The chilly grasp of winter reaches its coldest in January with temperatures plummeting down to -1.3°C (29.7°F), while in contrast, July offers the warmest embrace with the mercury soaring to 22.7°C (72.9°F).

Rain clouds frequently loom over Wasserbillig, with an aggregate of 479mm (18.86") distributed across an average of 159.7 days in a year. Rainfall varies from a low of 25mm (0.98") in July to a high of 69mm (2.72") in December. In comparison, snowfall is relatively less frequent with an annual total of 214mm (8.43") spread over 28 days. The heaviest snow is seen in January and December, each accounting for 66mm (2.6").

In terms of humidity, the atmosphere carries a relative humidity of between 76% and 91%. Significantly, sunshine is not a rare commodity with sunlight shining down for an average of 6.8 hours per day, ranging from a minimum of 3.1 hours in December to a maximum of 9.8 hours in July.

The best time to visit Wasserbillig

Venturing to Wasserbillig between May and August is arguably ideal. During these months, the temperatures are comfortably warm, oscillating between 16.8°C (62.2°F) and 22.6°C (72.7°F), perfect for outdoor activities. There is an abundance of sunshine, particularly from June to August, with an average of 9.5 hours per day. Furthermore, despite being a time when noble rain showers are still present, they are comparatively less frequent and lower in volume.

The worst time to visit Wasserbillig

Visitors should be cautious of travelling to Wasserbillig during the winter months from December to February. During this period, temperatures generally plunge to between -1.3°C (29.7°F) to 4.5°C (40.1°F), creating an inhospitable chill. Coupled with the least sunshine, only about 3 hours per day, and the heaviest rainfall, the weather conditions could be less than ideal for outdoor activities or sight-seeing.

Spring weather in Wasserbillig

As spring descends upon Wasserbillig from March to May, the weather begins to transition, casting away the residual cold of winter. Temperatures rise gradually from 9.1°C (48.4°F) in March to a mild 16.8°C (62.2°F) in May. Although rainfall is quite frequent, recording 44mm (1.73") in March and peaking to 54mm (2.13") in May, the increase in daylight hours, between 11.9 hours in March to 15.4 hours in May, makes for pleasing conditions.

Summer weather in Wasserbillig

Possessing a warm summer marine west coast climate, Wasserbillig experiences summers that are comfortably warm from June to August, with temperatures oscillating between 20.1°C (68.2°F) and 22.6°C (72.7°F). The humidity shows a downward trend during this period, registering an average of 77%. Consequently, the weather conditions are generally comfortable, with an average of 9.5 hours of sunshine a day. Rainfall also sees a reduction during this period, making it delightful for outdoor activities.

Autumn weather in Wasserbillig

The descent of autumn from September to November sees a steady decline in temperatures, from a moderately warm 18.5°C (65.3°F) in September to a cool 7.9°C (46.2°F) by November. Rainfall starts to increase, peaking at 48mm (1.89") in November. However, the daylight hours decrease progressively from 12.6 hours to 9.1 hours. Despite the reduction in daylight, the number of sunshine hours remains relatively constant, making this period conducive for activities requiring less intensive sun exposure.

Winter weather in Wasserbillig

Winters in Wasserbillig, spanning December to February, are mostly cold with temperatures dropping sharply down to between -1.3°C (29.7°F) to 4.5°C (40.1°F). Snowfall is more pronounced during this season, reaching a peak of 66mm (2.6") in December and January. With the sun emerging for only about 3 hours a day and a significant increase in rainfall, winters could be challenging for outdoor activities.

Weather in January

The year commences in Wasserbillig with a predominantly numbing atmosphere as temperatures dip down to -1.3°C (29.7°F). January’s biting weather dictates the need for heavier, layered clothing. It's generally a damp, cloudy time in this Luxembourg town, which often shivers under the impact of periodic snowfalls. Weather in January »

Weather in February

February ushers in marginal improvement in the temperature, rising to 4.3°C (39.7°F) during the day. Still, the grip of winter persists, as temperatures refuse to budge much above freezing, especially during nights. Luzembourg's Wasserbillig remains shrouded in a blanket of persistent clouds through much of this month. Weather in February »

Weather in March

In March, the snowfall decreases to 23mm (0.91"), signalling the slow retreat of winter. The mercury inches up slightly, and the landscape starts undergoing a transformation, as winter weakens its grasp on Wasserbillig and spring quietly inches in. Weather in March »

Weather in April

April witnesses the official arrival of spring in Wasserbillig with noticeably pleasant temperatures reaching up to 14.2°C (57.6°F). The floral bloom accompanying the warming weather adds to the town's charm. The frequency of rain increases, contributing to the vibrant spring palette, as well as a moderately high humidity level. Weather in April »

Weather in May

May signals the start of a progressive shift in Wasserbillig's weather towards warmer conditions as the daily average temperature reaches 16.8°C (62.2°F). Luxembourgers enjoy the environs in their resplendent beauty, a result of favourable this climatic state. Weather in May »

Weather in June

Summer officially sets in Wasserbillig in June, with temperatures escalating to a comfortable 20.1°C (68.2°F). Indeed, noticeably warmer and longer sunlight-filled days become a characteristic feature of this month. The pleasant weather condition encourages outdoor activities and recreational pursuits. Weather in June »

Weather in July

July, the hottest month of the year, brings with it balmy weather conditions with temperatures reaching peak summer levels of 22.7°C (72.9°F). Watersports and outdoor activities gain momentum, thanks to the town's highest ultraviolet index of 5. Weather in July »

Weather in August

In August, the weather remains virtually unvaried with peak temperatures hovering around 22.6°C (72.7°F). The last month of summer maintains the warmth and vibrancy established earlier. Despite a slight return of the cloud cover, there is no significant decline in the daylight hours, enabling continued enjoyment of outdoor activities. Weather in August »

Weather in September

September heralds the arrival of Fall in Wasserbillig, with daily temperatures regressing to 18.5°C (65.3°F). The encompassing weather begins to cool down, signalling the end of summer. Longer hours of sunshine persist, even as the humidity levels slightly rise. Weather in September »

Weather in October

October in Wasserbillig sees a sharper drop in temperature, descending to 13.5°C (56.3°F), which brings a chill in the air. Early signs of winter begin to manifest, with the adoption of warmer clothing becoming necessary. The punchier winds and a perceptibly reduced daylight duration further contribute to the colder clime. Weather in October »

Weather in November

November witnesses the onset of winter, with temperatures plunging to 7.9°C (46.2°F). A substantial drop in temperature comes hand in hand with the receding daylight hours. Typically, November sees constant cloud coverage and surges in relative humidity, backing the establishment of the colder season. Weather in November »

Weather in December

Winter holds the town firmly in its clutch in December, with temperatures dipping down to 4.5°C (40.1°F) during daytime and barely rising above freezing in the night. Snowfall returns to Wasserbillig, reaching a higher level of 66mm (2.6"), matching the intensity of January. Weather in December »

Frequently asked questions

January, characterized by an average high temperature of 3.1°C (37.6°F) and a low temperature of -1.3°C (29.7°F), is generally the coldest month.

Throughout the year, there are 170 rainfall days, and 516mm (20.31") of precipitation is accumulated.

Months with snowfall are January through April, October through December.

The months with the most snowfall are January and December, with an average 66mm (2.6") of accumulated snow.

In Wasserbillig, during the entire year, snow falls for 28.8 days and aggregates up to 214mm (8.43") of snow.

The months with the lowest UV index in Wasserbillig are January, February, November and December, with an average maximum UV index of 2.

April and August, with an average relative humidity of 76%, are the least humid months.

May through September are months without snowfall in Wasserbillig, Luxembourg.

June has the longest days of the year, with an average of 16h and 12min of daylight.

The months with the highest UV index in Wasserbillig are June and July, with an average maximum UV index of 5.

July registers as the month with the average highest temperatures, reaching 22.7°C (72.9°F) at its peak and 12°C (53.6°F) at the lowest.

The month with the least rainfall is July, when the rain falls for 11.4 days and typically collects 25mm (0.98") of precipitation.

With an average of 9.8h of sunshine, July has the most sunshine of the year.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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.

December is the most humid month, with an average relative humidity of 91%.

The month with the most rainfall is December, when the rain falls for 17.1 days and typically aggregates up to 69mm (2.72") of precipitation.

With an average of 8h and 12min of daylight, December has the shortest days of the year.

December has the least sunshine of the year, with an average of 3.1h of sunshine.

Average temperature
Wasserbillig, Luxembourg

The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°C).

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure
Wasserbillig, Luxembourg

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed
Wasserbillig, Luxembourg

The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity
Wasserbillig, Luxembourg

The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).

Average rainfall
Wasserbillig, Luxembourg

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).

Average rainfall days
Wasserbillig, Luxembourg

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).

Average snowfall
Wasserbillig, Luxembourg

The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days
Wasserbillig, Luxembourg

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Wasserbillig, Luxembourg

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days
Wasserbillig, Luxembourg

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).

Average UV index
Wasserbillig, Luxembourg

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Wasserbillig, Luxembourg

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility
Wasserbillig, Luxembourg

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).