July weather forecastMersch, Luxembourg
July
Weather in July
July is the peak of summer in Mersch with temperatures soaring to an absolute maximum average of 22.6°C (72.7°F). These warm days are balanced by pleasant nights with temperatures averaging around 12.1°C (53.8°F), offering a refreshing break from the day's heat. Luxembourg’s city gleams under sunlight for the most significant part of the day with sufficient rainfall keeping the weather desirable. Despite intermittent showers, the overall weather remains largely dry, making it a perfect time for picnics and al fresco dining. Summer in its full magnificence, July in Mersch offers the quintessential summer experience.Temperature
The yearly peak temperatures in Mersch occur in July and August, averaging a high-temperature of 22.6°C (72.7°F).Humidity
In Mersch, Luxembourg, the average relative humidity in July is 78%.Rainfall
In July, in Mersch, the rain falls for 16.3 days. Throughout July, 45mm (1.77") of precipitation is accumulated. Throughout the year, there are 171.5 rainfall days, and 545mm (21.46") of precipitation is accumulated.Snowfall
In Mersch, snow does not fall in June through September.Daylight
In Mersch, the average length of the day in July is 15h and 50min.On the first day of July in Mersch, sunrise is at 05:32 and sunset at 21:46. On the last day of the month, sunrise is at 06:05 and sunset at 21:18 CEST.
Sunshine
With an average of 9.7h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in July, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mersch, Luxembourg
- Average high temperature in July: 22.6°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in July: 12.1°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 (-1.2°C).
Average pressure in July
Mersch, Luxembourg
- Average pressure in July: 1015.8mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in July
Mersch, Luxembourg
- Average wind speed in July: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in July
Mersch, Luxembourg
- Average humidity in July: 78%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in July
Mersch, Luxembourg
- Average rainfall in July: 45mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in July
Mersch, Luxembourg
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in July
Mersch, Luxembourg
- Average snowfall in July: 0mm
The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Mersch, Luxembourg
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mersch, Luxembourg
- Average daylight in July: 15h and 48min
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 July: 9h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in July
Mersch, Luxembourg
- Average sunshine days in July: 11.4 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in July
Mersch, Luxembourg
- Average UV index in July: 5
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 in July
Mersch, Luxembourg
- Average cloud cover in July: 39
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 in July
Mersch, Luxembourg
- Average visibility in July: 9km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
