July weather forecast
Sailly-sur-la-Lys, France

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Weather in July

July, like June, is another pleasant summer month in Sailly-sur-la-Lys, France, with an average temperature varying between 13.6°C (56.5°F) and 22.7°C (72.9°F).

Temperature

July and August are identified as the warmest months, with an average high-temperature of 22.7°C (72.9°F).

Humidity

The average relative humidity in July is 75%.

Rainfall

In Sailly-sur-la-Lys, France, in July, during 8.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 152 rainfall days, and 397mm (15.63") of precipitation is accumulated.

Snowfall

In Sailly-sur-la-Lys, snow does not fall in April through October.

Daylight

The average length of the day in July is 15h and 58min.
On the first day of the month, sunrise is at 05:40 and sunset at 22:04. On the last day of July, in Sailly-sur-la-Lys, sunrise is at 06:15 and sunset at 21:35 CEST.

Sunshine

The average sunshine in July in Sailly-sur-la-Lys, France, is 9.6h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during July translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Resources | Updated: Feb 7, 2024 | Published by: Weather Atlas

Frequently asked questions

What month is the hottest in Sailly-sur-la-Lys?

Sailly-sur-la-Lys experiences its warmest period in July and August, averaging a high-temperature of 22.7°C (72.9°F).

What is the average July temperature in Sailly-sur-la-Lys?

The average high-temperature, in July, in Sailly-sur-la-Lys, is 22.7°C (72.9°F), while the average low-temperature is 13.6°C (56.5°F).

What is the average humidity in July in Sailly-sur-la-Lys?

In July, the average relative humidity in Sailly-sur-la-Lys is 75%.

How much does it rain in Sailly-sur-la-Lys in July?

In July, in Sailly-sur-la-Lys, the rain falls for 8.8 days. Throughout July, 21mm (0.83") of precipitation is accumulated.

When it does not snow in Sailly-sur-la-Lys?

April through October are months without snowfall in Sailly-sur-la-Lys, France.

How many hours of daylight does Sailly-sur-la-Lys have in July?

In July, the average day length is 15h and 58min.

When is the sunrise / sunset in July in Sailly-sur-la-Lys?

On the first day of July in Sailly-sur-la-Lys, France, sunrise is at 05:40 and sunset at 22:04. On the last day of the month, sunrise is at 06:15 and sunset at 21:35 CEST.

How many hours of sunshine does Sailly-sur-la-Lys have in July?

In July, the average sunshine duration in Sailly-sur-la-Lys, France, is 9.6h.

What are the months with the highest UV index in Sailly-sur-la-Lys?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Sailly-sur-la-Lys, France.

What is the UV index reading in July in Sailly-sur-la-Lys?

The average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes 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
Sailly-sur-la-Lys, France

Average temperature in July - Sailly-sur-la-Lys, France
  • Average high temperature in July: 22.7°C

The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in July: 13.6°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average pressure in July
Sailly-sur-la-Lys, France

Average pressure in July - Sailly-sur-la-Lys, France
  • Average pressure in July: 1015.8mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

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Average wind speed in July
Sailly-sur-la-Lys, France

Average wind speed in July - Sailly-sur-la-Lys, France
  • Average wind speed in July: 13.1km/h

The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).

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Average humidity in July
Sailly-sur-la-Lys, France

Average humidity in July - Sailly-sur-la-Lys, France
  • Average humidity in July: 75%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in July
Sailly-sur-la-Lys, France

Average rainfall in July - Sailly-sur-la-Lys, France
  • Average rainfall in July: 21mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (12mm).

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Average rainfall days in July
Sailly-sur-la-Lys, France

Average rainfall days in July - Sailly-sur-la-Lys, France
  • Average rainfall days in July: 8.8 days

The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (7.5 days).

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Average snowfall in July
Sailly-sur-la-Lys, France

Average snowfall in July - Sailly-sur-la-Lys, France
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in July
Sailly-sur-la-Lys, France

Average snowfall days in July - Sailly-sur-la-Lys, France
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Sailly-sur-la-Lys, France

Average daylight in July / Average sunshine in July - Sailly-sur-la-Lys, France
  • Average daylight in July: 16h and 0min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in July: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days in July
Sailly-sur-la-Lys, France

Average sunshine days in July - Sailly-sur-la-Lys, France
  • Average sunshine days in July: 20.8 days

The month with the most sunshine days is September (21.5 days).
The months with the least sunshine days are February and December (8.5 days).

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Average UV index in July
Sailly-sur-la-Lys, France

Average UV index in July - Sailly-sur-la-Lys, France
  • Average UV index in July: 5

The months with the highest UV index are June, July and August (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
Sailly-sur-la-Lys, France

Average cloud cover in July - Sailly-sur-la-Lys, France
  • Average cloud cover in July: 42

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).

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Average visibility in July
Sailly-sur-la-Lys, France

Average visibility in July - Sailly-sur-la-Lys, France
  • Average visibility in July: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Sailly-sur-la-Lys, France

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