Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Herstal?
What are the temperatures in Herstal in July?
What is the average humidity in July in Herstal?
How many days does it rain in July in Herstal?
When it does not snow in Herstal?
What is the average length of the day in July in Herstal?
What time are sunrise and sunset in July in Herstal?
What are the months with the most sunshine in Herstal?
How long on average sun shines in July in Herstal?
What is the month with the highest UV index in Herstal?
How high is the UV index in July in Herstal?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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