July weather forecast
Herstal, Belgium

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Weather in July

July stands out as the warmest month in Herstal, with average highs reaching 22.3°C (72.1°F), marking the pinnacle of summer. Despite the pleasant weather, the month also comes with a high amount of rainfall as it maintains the June level of 53mm (2.09"). The bustling summer activities continue, and the city's social calendar is full of events, tours, and festivities. Evenings are balmy and conducive to outdoor dining, characteristic of a true Belgian summer. Despite the high rainfall, July remains a festive time in Herstal filled with sunshine and warmth.

Temperature

The temperature hits its peak in July and August, recording an average high-temperature of 22.3°C (72.1°F).

Humidity

The average relative humidity in July is 78%.

Rainfall

In Herstal, in July, during 19.4 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Herstal, Belgium, during the entire year, the rain falls for 193.2 days and collects up to 544mm (21.42") of precipitation.

Snowfall

In Herstal, snow does not fall in May through October.

Daylight

In July, the average length of the day in Herstal is 15h and 58min.
On the first day of the month, sunrise is at 05:29 and sunset at 21:53. On the last day of July, sunrise is at 06:03 and sunset at 21:23 CEST.

Sunshine

July and August, with an average of 9.2h of sunshine, are months with the most sunshine in Herstal.

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 vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during July leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the hottest time of year in Herstal?

Herstal sees the average highest temperatures during the months of July and August, peaking at 22.3°C (72.1°F).

What are the temperatures in Herstal in July?

The average high-temperature and low-temperature in Herstal during July are 22.3°C (72.1°F) and 12.6°C (54.7°F) respectively.

What is the average humidity in July in Herstal?

The average relative humidity in July in Herstal, Belgium, is 78%.

How many days does it rain in July in Herstal?

In Herstal, Belgium, during July, the rain falls for 19.4 days and regularly aggregates up to 53mm (2.09") of precipitation.

When it does not snow in Herstal?

May through October are months without snowfall in Herstal.

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

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

What time are sunrise and sunset in July in Herstal?

On the first day of July in Herstal, sunrise is at 05:29 and sunset at 21:53. On the last day of the month, sunrise is at 06:03 and sunset at 21:23 CEST.

What are the months with the most sunshine in Herstal?

July and August, with an average of 9.2h of sunshine, are months with the most sunshine.

How long on average sun shines in July in Herstal?

In July, the average sunshine duration in Herstal, Belgium, is 9.2h.

What is the month with the highest UV index in Herstal?

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

How high is the UV index in July in Herstal?

In Herstal, Belgium, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Herstal, Belgium

Average temperature in July - Herstal, Belgium
  • Average high temperature in July: 22.3°C

The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in July: 12.6°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in July
Herstal, Belgium

Average pressure in July - Herstal, Belgium
  • Average pressure in July: 1015.6mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

Average wind speed in July
Herstal, Belgium

Average wind speed in July - Herstal, Belgium
  • Average wind speed in July: 10.7km/h

The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in July
Herstal, Belgium

Average humidity in July - Herstal, Belgium
  • Average humidity in July: 78%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (77%).

Average rainfall in July
Herstal, Belgium

Average rainfall in July - Herstal, Belgium
  • Average rainfall in July: 53mm

The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in July
Herstal, Belgium

Average rainfall days in July - Herstal, Belgium
  • Average rainfall days in July: 19.4 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (12.7 days).

Average snowfall in July
Herstal, Belgium

Average snowfall in July - Herstal, Belgium
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in July
Herstal, Belgium

Average snowfall days in July - Herstal, Belgium
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Herstal, Belgium

Average daylight in July / Average sunshine in July - Herstal, Belgium
  • 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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in July
Herstal, Belgium

Average sunshine days in July - Herstal, Belgium
  • Average sunshine days in July: 8.8 days

The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in July
Herstal, Belgium

Average UV index in July - Herstal, Belgium
  • 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, March, November and December (UV index 2).

Average cloud cover in July
Herstal, Belgium

Average cloud cover in July - Herstal, Belgium
  • Average cloud cover in July: 43

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in July
Herstal, Belgium

Average visibility in July - Herstal, Belgium
  • Average visibility in July: 9km

The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).

Herstal, Belgium

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