July weather forecastMarnach, Luxembourg
July
Weather in July
July continues the reign of summer in Marnach, Luxembourg, with temperatures climbing to the year's maximum, peaking at an average high of 20.8°C (69.4°F). As the mercury rises, summer settles comfortably within the city’s terrain, endorsing long days by the pool and sizzling barbecues. The tendency of reducing wind speeds and maintaining regular pressure ensures a standard summer month. Despite the slight increase in rainfall, the weather retains its summer charm with higher daylight hours. With July, Marnach experiences the peak of summer, showcasing typical weather patterns reminiscent of a typical summer season in a temperate climate.Temperature
The average high-temperature for July is an agreeable 20.8°C (69.4°F), closely aligning with the temperature of the preceding month. Throughout July, the nighttime temperature averages to a fresh 11.2°C (52.2°F).Humidity
In Marnach, the average relative humidity in July is 82%.Rainfall
In Marnach, in July, it is raining for 17.3 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 166.4 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July in Marnach, Luxembourg, is 15h and 52min.On the first day of the month, sunrise is at 05:30 and sunset at 21:48. On the last day of July, in Marnach, sunrise is at 06:04 and sunset at 21:19 CEST.
Sunshine
July and August, with an average of 8.8h of sunshine, are months with the most sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In July, the maximum UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Marnach, Luxembourg
- Average high temperature in July: 20.8°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in July: 11.2°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in July
Marnach, Luxembourg
- Average pressure in July: 1015.6mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in July
Marnach, Luxembourg
- Average wind speed in July: 10.6km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in July
Marnach, Luxembourg
- Average humidity in July: 82%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in July
Marnach, Luxembourg
- Average rainfall in July: 44mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in July
Marnach, Luxembourg
- Average rainfall days in July: 17.3 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in July
Marnach, Luxembourg
- Average snowfall in July: 0mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Marnach, Luxembourg
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Marnach, Luxembourg
- Average daylight in July: 15h and 54min
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: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in July
Marnach, Luxembourg
- Average sunshine days in July: 11.3 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in July
Marnach, Luxembourg
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in July
Marnach, Luxembourg
- Average cloud cover in July: 45
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in July
Marnach, Luxembourg
- Average visibility in July: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).
