Climate and monthly weather forecastMertzig, Luxembourg

Climate and monthly weather forecast

Weather in January

January, like December, in Mertzig, Luxembourg, is an icy winter month, with temperature in the range of an average low of -1.3°C (29.7°F) and an average high of 2.7°C (36.9°F). In Mertzig, the lowest average temperatures are observed in January, with a high of 2.7°C (36.9°F) and a low of -1.3°C (29.7°F). Weather in January »

Weather in February

February, the last month of the winter in Mertzig, is also a wintry month, with temperature in the range of an average low of -1.2°C (29.8°F) and an average high of 3.9°C (39°F). As Mertzig welcomes February, the average high-temperature records at a still wintry 3.9°C (39°F), marking an insignificant deviation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Mertzig, is a chilly month, with temperature in the range of an average low of 1.1°C (34°F) and an average high of 8.4°C (47.1°F). In Mertzig, the average high-temperature in March slightly rises, from a cold 3.9°C (39°F) in February, to a chilly 8.4°C (47.1°F). Weather in March »

Weather in April

April in Mertzig, Luxembourg, is a moderate spring month, with an average temperature ranging between min 4°C (39.2°F) and max 13.3°C (55.9°F). With the transition into April, Mertzig experiences a subtle uplift in average high-temperatures, adjusting from a chilly 8.4°C (47.1°F) in March to a moderate 13.3°C (55.9°F). Weather in April »

Weather in May

May, the last month of the spring in Mertzig, is another refreshing month, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 6.3°C (43.3°F). May records an average high-temperature of a still refreshing 15.9°C (60.6°F), indicating a minor variation from the preceding month. Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Mertzig, Luxembourg, with an average temperature fluctuating between 10°C (50°F) and 19.2°C (66.6°F). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a moderate 15.9°C (60.6°F) in May to a comfortable 19.2°C (66.6°F). Weather in June »

Weather in July

July is an agreeable summer month in Mertzig, Luxembourg, with an average temperature ranging between min 11.6°C (52.9°F) and max 21.6°C (70.9°F). Mertzig, Luxembourg, notes an average high-temperature of a pleasant 21.6°C (70.9°F) in July, displaying minor variation from June. Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in Mertzig, Luxembourg, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 21.7°C (71.1°F). Mertzig, Luxembourg, experiences its highest temperatures in August, with an average peak of 21.7°C (71.1°F) and a low of 11.8°C (53.2°F). Weather in August »

Weather in September

September, the first month of the autumn in Mertzig, is also an enjoyable month, with an average temperature fluctuating between 8.5°C (47.3°F) and 17.5°C (63.5°F). With the arrival of September, Mertzig experiences a modest decline in average high-temperatures, transitioning from a pleasant 21.7°C (71.1°F) in August to an enjoyable 17.5°C (63.5°F). Weather in September »

Weather in October

October, like September, in Mertzig, Luxembourg, is a cool autumn month, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 5.8°C (42.4°F). In the transition to October, Mertzig observes a minor drop in the average high-temperature, shifting from a refreshing 17.5°C (63.5°F) in September to a cool 12.8°C (55°F). Weather in October »

Weather in November

November, the last month of the autumn in Mertzig, is also a frosty month, with an average temperature fluctuating between 7.5°C (45.5°F) and 2.5°C (36.5°F). November is characterized by a reduction in the average high-temperature, from a fresh 12.8°C (55°F) in October to a frosty 7.5°C (45.5°F). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mertzig, Luxembourg, with an average temperature ranging between max 4.1°C (39.4°F) and min 0.1°C (32.2°F). A moderate decline in average high-temperatures is noted in December, moving from a chilly 7.5°C (45.5°F) in November to an icy 4.1°C (39.4°F). Weather in December »

Frequently asked questions

Mertzig's temperature records reveal January as the coldest month, marked by average highs of 2.7°C (36.9°F) and lows of -1.3°C (29.7°F).

In Mertzig, during the entire year, the rain falls for 190.3 days and collects up to 626mm (24.65") of precipitation.

January through May, October through December are months with snowfall in Mertzig, Luxembourg.

The month with the most snowfall in Mertzig, Luxembourg, is January, when snow falls for 8.2 days and typically aggregates up to 78mm (3.07") of snow.

In Mertzig, Luxembourg, during the entire year, snow falls for 30.3 days and aggregates up to 249mm (9.8") of snow.

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

The months with the lowest humidity in Mertzig, Luxembourg, are April and August, with an average relative humidity of 79%.

April is the month with the least rainfall in Mertzig, Luxembourg. Rain falls for 14.5 days and accumulates 36mm (1.42") of precipitation.

June through September are months without snowfall in Mertzig, Luxembourg.

With an average of 16h and 18min of daylight, June has the longest days of the year.

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

July has the most sunshine of the year in Mertzig, with an average of 9.3h of sunshine.

August stands out as Mertzig's warmest month, with temperatures ranging between an average high of 21.7°C (71.1°F) and a low of 11.8°C (53.2°F).

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 92%.

December is the month with the most rainfall in Mertzig. Rain falls for 16.8 days and accumulates 70mm (2.76") of precipitation.

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

December has the least sunshine of the year in Mertzig, Luxembourg, with an average of 2.9h of sunshine.

Average temperature
Mertzig, Luxembourg

The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure
Mertzig, Luxembourg

The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed
Mertzig, Luxembourg

The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity
Mertzig, Luxembourg

The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (79%).

Average rainfall
Mertzig, Luxembourg

The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days
Mertzig, Luxembourg

The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).

Average snowfall
Mertzig, Luxembourg

The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Mertzig, Luxembourg

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Mertzig, Luxembourg

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).

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days
Mertzig, Luxembourg

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).

Average UV index
Mertzig, 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, March, November and December (UV index 2).

Average cloud cover
Mertzig, Luxembourg

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility
Mertzig, Luxembourg

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