Climate and monthly weather forecast
Belval, Luxembourg

Climate and monthly weather forecast

The climate of Belval

In the world of climate categorization, Belval, Luxembourg holds the rank of Cfb per the Köppen Climate Classification. This represents a Marine west coast climate with warm summers. Navigating through the diverse climate of this region necessitates an understanding of the varying weather patterns all-year-round.

Evidently, temperatures hit their peak in the seventh month of the year. July has an average high temperature reaching up to 22.8°C (73°F). The trend gradually descends into the colder period, with January being the coldest month with temperatures plummeting to as low as -0.9°C (30.4°F). These figures display the significant contrast between the warmth of the summer months and the chilling cold of winter.

Setting sights on rainfall patterns, it appears the region receives substantial levels of precipitation throughout the year. The month of December stands apart, recording the highest amount with 75mm (2.95") of rainfall on average. Conversely, it seems April is the month with the least rainfall, charting merely 39mm (1.54") on average.

In terms of humidity, Belval's tends towards the higher end of the spectrum. The highest relative humidity is typically in December and January at 91% and 90% respectively, while the lowest occurs in July and August, hovering around the 76% mark.

The best time to visit Belval

Analyzing the above data, it becomes clear that the most amiable period to visit Belval falls between May and August. These months bring forth warmer temperature ranges, varying from 16.8°C (62.2°F) to 22.8°C (73°F). Accompanied by lower moisture levels, as humidity during this season ranges from 76% to 83% which makes for generally pleasant conditions. Furthermore, these months boast extended daylight hours, with sunshine gracing Belval for anywhere from 15.4 hours to 16.2 hours per day.

The worst time to visit Belval

On the flip side of the season cycle, the span from November to February is perceived as the least attractive period for tourists. The weather during this timeframe can be rather severe with high temperatures merely reaching into the positive digits, from 3.4°C (38.1°F) to 4.6°C (40.3°F), while the low temperatures can plunge below freezing point. This chilly period also tends to have higher humidity values, with the relative humidity ranging from 86% to 91%.

Spring weather in Belval

Turning calendar pages into the Spring season, from March to May, Belval witnesses a transition phase. The temperature during these months begins to climb from an average high of 9.3°C (48.7°F) in March to 16.8°C (62.2°F) in May. Paired with increasing sunshine hours from 11.9 hours to 15.4 hours, the springtime in Belval indicates the departure of chilling cold and the arrival of pleasant warmth.

Summer weather in Belval

When summer arrives from June to August, Belval greets this period with delightfully warm temperatures, offering an average high between 20.3°C (68.5°F) in June and 22.8°C (73°F) in August. Rainfall activity happens to be a tad higher during this season, too, with precipitation ranging from 64mm (2.52") to 69mm (2.72") in June and July.

Autumn weather in Belval

Autumn in Belval, from September to November, ushers in gradual cooling. The average high temperature dips from 18.5°C (65.3°F) in September to 8°C (46.4°F) in November. Simultaneously, the amount of daylight and sunshine hours gradually decreases from September to November, from 12.6 hours to 9.1 hours and from 8 hours to 3.5 hours respectively.

Winter weather in Belval

Making way for the Winter season from December to February, a trend of falling temperatures is observable. The average high temperature minimizes to 3.4°C (38.1°F) in January, and the average low temperature reducing to -0.9°C (30.4°F). Meanwhile, snowfall is prevalent during this time, particularly in December and January with snow rates of 84mm (3.31") and 85mm (3.35") respectively. The amount of daylight is also at its lowest, averaging only between 8.3 hours to 9.1 hours per day.

Weather in January

Weather in Belval Luxembourg, reaches an apex in January, an absolute harsh winter with the high temperature peaking at 3.4°C (38.1°F) and dipping to almost negative values in the nighttime at -0.9°C (30.4°F). The biting chill permeates every corner of the city as snowfall is at a yearly high, with the city blanketed in white. Weather in January »

Weather in February

February brings a marginal but noticeable relief from the frosty January, with temperatures slightly rising but still lingering near the zero-degree mark. The heavy snow from January gradually decreases, making the streets more accessible. Weather in February »

Weather in March

With March arriving on the calendar, the typical winter weather in Belval begins to thaw. A significant increase in temperature is observed, with the high reaching 9.3°C (48.7°F) and the low at 1.8°C (35.2°F), which is quite mild compared to earlier months. Weather in March »

Weather in April

April brings true spring weather to Belval, with a noticeable increase in temperature. LSU students often enjoy after-class walks as the high reaches a pleasant 14.3°C (57.7°F) with the low not falling beneath 4.6°C (40.3°F), thereby shaking off the winter chill thoroughly. Weather in April »

Weather in May

May marks the advent of warmer weather as summer approaches in Belval. The city is awash with abundant greenery, vibrant flowers, and growing trees against the backdrop of a bright sky. With an increase in temperature, May starts to feel like early summer, but a dip in temperature at night keeps a nice balance. Weather in May »

Weather in June

June in Belval signals the arrival of summer, and the weather becomes distinctly hotter. Daytime temperatures can reach a peak of 20.3°C (68.5°F), while at night, the mercury does not fall below 10.3°C (50.5°F). This range characterizes a warm yet comfortable climate in the city. Weather in June »

Weather in July

July is the hottest month in Belval with a high temperature soaring to 22.7°C (72.9°F) and a record low at 12.3°C (54.1°F). Despite being the peak of summer, with clear skies and long daylight hours, the significant drop in humidity compared to preceding months brings relief. Weather in July »

Weather in August

August continues the warmth and brightness of summer but with diminutive variability in the temperature, reaching a high of 22.8°C (73°F) and a low of 12.6°C (54.7°F). Typically, clear skies and sunshine dominate the city's weather, coupled with marginally lower daylight hours compared to the past few months. Weather in August »

Weather in September

September sparks the onset of autumn in Belval. The temperature begins to cool, with a high of 18.5°C (65.3°F) and a low of 9.5°C (49.1°F), indicating chillier nights. The leaves start changing color, providing a picturesque scenery in parks and streets. Weather in September »

Weather in October

October in Belval brings a perfect palette of autumn colors. The temperature continues to drop, triggering a crisp chill in the air. Rainfall levels are on par with September, and the city experiences shorter daylight hours. This shift to a colder, darker environment portrays a classic autumn ambience. Weather in October »

Weather in November

November sees the advent of winters in Belval, with temperatures dropping substantially. Cold winds sweep the city accompanied by a high level of humidity, signalling the impending winter. Beautifully gloomy weather dominates this month, often making the city seem like a scene straight out of a storybook. Weather in November »

Weather in December

December is one of the coldest months in Belval, with temperatures averaging between 8°C (46.4°F) and 0.5°C (32.9°F). The onset of the holiday season, coupled with substantial rainfall of 75mm (2.95"), sets a characteristic festive mood in the city. Weather in December »

Frequently asked questions

What is the coldest month in Belval?
Belval's January weather, with an average high temperature of 3.4°C (38.1°F) and an average low temperature of -0.9°C (30.4°F), tends to be the coldest of the year.
How many days does it rain in Belval?
Throughout the year, in Belval, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.
When does it snow in Belval?
Months with snowfall in Belval, Luxembourg, are January through May, October through December.
What is the snowiest month in Belval?
January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 85mm (3.35") of snow.
How many days does it snow in Belval?
In Belval, Luxembourg, during the entire year, snow falls for 32.5 days and aggregates up to 279mm (10.98") of snow.
When is the lowest UV index in Belval?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Belval?
April is the month with the least rainfall. Rain falls for 14.2 days and accumulates 39mm (1.54") of precipitation.
When it does not snow in Belval?
In Belval, Luxembourg, snow does not fall in June through September.
When are the longest days in Belval?
The month with the longest days in Belval, Luxembourg, is June, with an average of 16h and 12min of daylight.
When is the highest UV index in Belval?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What month has the most sunshine in Belval?
July has the most sunshine of the year in Belval, Luxembourg, with an average of 9.5h of sunshine.
What part of the year is the hottest in Belval?
August brings the highest temperatures in Belval, Luxembourg, with an average high of 22.8°C (73°F) and an average low of 12.6°C (54.7°F).
What is the least humid month in Belval?
The least humid month is August, with an average relative humidity of 76%.
When is Daylight Saving Time (DST) in Belval?
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.
What is the most humid month in Belval?
The most humid month in Belval is December, with an average relative humidity of 91%.
What is the wettest month in Belval?
The month with the most rainfall in Belval is December, when the rain falls for 17 days and typically aggregates up to 75mm (2.95") of precipitation.
What is the month with the shortest days in Belval?
The month with the shortest days in Belval, Luxembourg, is December, with an average of 8h and 12min of daylight.
What is the month with the least sunshine in Belval?
December has the least sunshine of the year in Belval, with an average of 2.9h of sunshine.
Average temperature - Belval, Luxembourg
Average temperature
Belval, Luxembourg

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure - Belval, Luxembourg
Average pressure
Belval, Luxembourg

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed - Belval, Luxembourg
Average wind speed
Belval, Luxembourg

The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity - Belval, Luxembourg
Average humidity
Belval, Luxembourg

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

Average rainfall - Belval, Luxembourg
Average rainfall
Belval, Luxembourg

The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).

Average rainfall days - Belval, Luxembourg
Average rainfall days
Belval, Luxembourg

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).

Average snowfall - Belval, Luxembourg
Average snowfall
Belval, Luxembourg

The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days - Belval, Luxembourg
Average snowfall days
Belval, Luxembourg

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Belval, Luxembourg
Average daylight / Average sunshine
Belval, 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 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days - Belval, Luxembourg
Average sunshine days
Belval, Luxembourg

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).

Average UV index - Belval, Luxembourg
Average UV index
Belval, 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 visibility - Belval, Luxembourg
Average visibility
Belval, 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).

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