July weather forecast
Helmdange, Luxembourg

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Weather in July

July, like June, is another pleasant summer month in Helmdange, Luxembourg, with an average temperature fluctuating between 22.6°C (72.7°F) and 12.1°C (53.8°F).

Temperature

Helmdange's warmest season falls during July and August, averaging a high-temperature of 22.6°C (72.7°F).

Humidity

In Helmdange, the average relative humidity in July is 78%.

Rainfall

In Helmdange, in July, during 16.3 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, in Helmdange, there are 171.5 rainfall days, and 545mm (21.46") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July is 15h and 49min.
On the first day of July, 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

The month with the most sunshine in Helmdange is July, with an average of 9.7h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during July translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What time of the year is the hottest in Helmdange?

July and August mark Helmdange's peak of temperatures, averaging a high-temperature of 22.6°C (72.7°F).

What are the temperatures in Helmdange in July?

The high-temperature in Helmdange, Luxembourg, during July is 22.6°C (72.7°F) and the low-temperature is 12.1°C (53.8°F).

What is the average humidity in July in Helmdange?

In July, the average relative humidity in Helmdange, Luxembourg, is 78%.

How much does it rain in Helmdange in July?

In Helmdange, during July, the rain falls for 16.3 days and regularly aggregates up to 45mm (1.77") of precipitation.

When it does not snow in Helmdange?

In Helmdange, Luxembourg, snow does not fall in June through September.

What is the average length of the day in July in Helmdange?

In July, the average day length is 15h and 49min.

What time are sunrise and sunset in July in Helmdange?

In July, on the first day of the month, sunrise is at 05:32 and sunset at 21:46. On the last day of the month, in Helmdange, Luxembourg, sunrise is at 06:05 and sunset at 21:18 CEST.

What month has the most sunshine in Helmdange?

The month with the most sunshine in Helmdange, Luxembourg, is July, with an average of 9.7h of sunshine.

How long on average sun shines in July in Helmdange?

The average sunshine duration in July is 9.7h.

What are the months with the highest UV index in Helmdange?

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

What is the UV index intensity in July in Helmdange?

In Helmdange, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Helmdange, Luxembourg

Average temperature in July - Helmdange, 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).

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Average pressure in July
Helmdange, Luxembourg

Average pressure in July - Helmdange, 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).

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Average wind speed in July
Helmdange, Luxembourg

Average wind speed in July - Helmdange, 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).

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Average humidity in July
Helmdange, Luxembourg

Average humidity in July - Helmdange, 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%).

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Average rainfall in July
Helmdange, Luxembourg

Average rainfall in July - Helmdange, 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).

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Average rainfall days in July
Helmdange, Luxembourg

Average rainfall days in July - Helmdange, 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).

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Average snowfall in July
Helmdange, Luxembourg

Average snowfall in July - Helmdange, 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).

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Average snowfall days in July
Helmdange, Luxembourg

Average snowfall days in July - Helmdange, 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).

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Average daylight in July /
Average sunshine in July
Helmdange, Luxembourg

Average daylight in July / Average sunshine in July - Helmdange, Luxembourg
  • Average daylight in July: 15h and 5min

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).

  • Average sunshine in July: 9h and 4min

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).

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Average sunshine days in July
Helmdange, Luxembourg

Average sunshine days in July - Helmdange, 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).

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Average UV index in July
Helmdange, Luxembourg

Average UV index in July - Helmdange, 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).

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Average cloud cover in July
Helmdange, Luxembourg

Average cloud cover in July - Helmdange, 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).

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Average visibility in July
Helmdange, Luxembourg

Average visibility in July - Helmdange, 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).

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Helmdange, Luxembourg

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