July weather forecast
Luxembourg

July is the warmest month in Luxembourg, marking the height of the summer season. The average temperatures in July typically range from 15°C (59°F) to 26°C (78.8°F). Luxembourg City and other regions of the country also experience this summertime warmth, with only slightly cooler temperatures in the elevated regions such as the Oesling.

Rainfall in July is typically low, with an average of 50mm (1.97"). Despite the lower precipitation, the occasional summer thunderstorm can occur. However, the general weather pattern remains predominantly sunny and dry, allowing for a vibrant display of Luxembourg's flora and fauna.

Comparatively, July is warmer than June, and it also offers the longest daylight hours of the year, with sunset often occurring as late as 9 p.m. The absence of fog and predominantly clear skies provide ideal conditions for outdoor activities and exploration.

Looking ahead to August, Luxembourg maintains its warm temperatures, typically ranging between 15°C (59°F) and 25°C (77°F). While rainfall levels may increase slightly compared to July, the overall weather pattern remains characteristic of summer - warm and predominantly sunny. The lengthy daylight hours and pleasant weather conditions continue to make August a popular month for tourism in Luxembourg.

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• Luxembourg City - July »
  In Luxembourg City, July is the warmest month with temperatures ranging from 13.3°C (55.9°F) to 23.2°C (73.8°F). July is the least humid month in Luxembourg City, with an average relative humidity of 67%.
• Differdange - July »
  The months with the highest UV index in Differdange are June and July, with an average maximum UV index of 5. June and July, with an average maximum UV index of 5, are months with the highest UV index in Differdange, Luxembourg.
• Dudelange - July »
  The months with the highest UV index in Dudelange are June and July, with an average maximum UV index of 5. Dudelange's transition from June to July introduces an average high-temperature of a still pleasant 22.7°C (72.9°F), marking an insignificant variation from the 20.3°C (68.5°F).
• Ettelbruck - July »
  July in Ettelbruck brings the warmest days of the year, as high temperatures hit the 21.6°C (70.9°F) mark, cooling to 11.6°C (52.9°F) during the nights. June and July, with an average maximum UV index of 5, are months with the highest UV index in Ettelbruck, Luxembourg.
• Diekirch - July »
  Diekirch, Luxembourg, registers an average high-temperature of a pleasant 20.8°C (69.4°F) at the commencement of July, closely related to the preceding month. With an average maximum UV index of 5, July is the month with the highest UV index in Diekirch, Luxembourg.
• Wiltz - July »
  On the last day of July, in Wiltz sunrise is at 06:05 and sunset at 21:20 CEST. The month with the highest UV index in Wiltz is July, with an average maximum UV index of 5.
• Grevenmacher - July »
  The month with the least rainfall in Grevenmacher is July, when the rain falls for 11.4 days and typically collects 25mm (0.98") of precipitation. On the last day of July, in Grevenmacher sunrise is at 06:04 and sunset at 21:17 CEST.
• Remich - July »
  In Remich in July, during 16.3 rainfall days, 45mm (1.77") of precipitation is typically accumulated. The months with the highest UV index in Remich, Luxembourg, are June and July, with an average maximum UV index of 5.
• Vianden - July »
  With an average maximum UV index of 5, July is the month with the highest UV index in Vianden, Luxembourg. On the first day of July in Vianden sunrise is at 05:30 and sunset at 21:47.
• Echternach - July »
  As summer peaks in July, Echternach experiences its warmest weather, with maximum temperatures touching 22.7°C (72.9°F). In Echternach, in July, it is raining for 11.4 days, with typically 25mm (0.98") of accumulated precipitation.