July weather forecast
Aarau, Switzerland

July

Weather in July

July becomes synonymous with warm sunlit days and cool summer nights in Aarau. The pleasant weather makes it a perfect canvas for travelers to paint their summer trips. As the weather heats up to 23.3°C (73.9°F), people engage in various outdoor activities. With ample sunshine and blue clear skies, July serves as an exuberant summertime invitation. The month ends leaving behind memories of warm afternoons and cool evening breezes.

Temperature

Aarau's highest average temperatures are recorded in July and August, reaching a high of 23.3°C (73.9°F).

Humidity

April and July, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Aarau, during July, the rain falls for 20.7 days and regularly aggregates up to 100mm (3.94") of precipitation. In Aarau, during the entire year, the rain falls for 190.8 days and collects up to 880mm (34.65") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Aarau, the average length of the day in July is 15h and 31min.
On the first day of the month, sunrise is at 05:35 and sunset at 21:28. On the last day of July, sunrise is at 06:05 and sunset at 21:02 CEST.

Sunshine

In Aarau, the average sunshine in July is 10.3h.

UV index

June and July, 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 moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In July, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the warmest month?
July and August in Aarau, Switzerland, are characterised by peak temperatures, with an average high of 23.3°C (73.9°F).
What are July temperatures?
The average high-temperature and low-temperature during July are 23.3°C (73.9°F) and 11.8°C (53.2°F) respectively.
What are the least humid months?
April and July, with an average relative humidity of 78%, are the least humid months.
What is the average humidity in July?
In Aarau, the average relative humidity in July is 78%.
How many days does it rain in July?
In Aarau, in July, it is raining for 20.7 days, with typically 100mm (3.94") of accumulated precipitation.
When it does not snow?
In Aarau, snow does not fall in June through September.
How many hours of daylight does Aarau have in July?
In Aarau, the average day length in July is 15h and 31min.
When are sunrise and sunset in July?
On the first day of July, sunrise is at 05:35 and sunset at 21:28. On the last day of the month, sunrise is at 06:05 and sunset at 21:02 CEST.
How long on average sun shines in July?
The average sunshine duration in July is 10.3h.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the UV index intensity in July?
In Aarau, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 - Aarau, Switzerland
Average temperature in July
Aarau, Switzerland
  • Average high temperature in July: 23.3°C

The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in July: 11.8°C

The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in July - Aarau, Switzerland
Average pressure in July
Aarau, Switzerland
  • Average pressure in July: 1017.1mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in July - Aarau, Switzerland
Average wind speed in July
Aarau, Switzerland
  • Average wind speed in July: 6.7km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in July - Aarau, Switzerland
Average humidity in July
Aarau, Switzerland
  • Average humidity in July: 78%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in July - Aarau, Switzerland
Average rainfall in July
Aarau, Switzerland
  • Average rainfall in July: 100mm

The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).

Average rainfall days in July - Aarau, Switzerland
Average rainfall days in July
Aarau, Switzerland
  • Average rainfall days in July: 20.7 days

The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in July - Aarau, Switzerland
Average snowfall in July
Aarau, Switzerland
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in July - Aarau, Switzerland
Average snowfall days in July
Aarau, Switzerland
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July / Average sunshine in July - Aarau, Switzerland
Average daylight in July /
Average sunshine in July
Aarau, Switzerland
  • Average daylight in July: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in July - Aarau, Switzerland
Average sunshine days in July
Aarau, Switzerland
  • Average sunshine days in July: 7.6 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).

Average UV index in July - Aarau, Switzerland
Average UV index in July
Aarau, Switzerland
  • 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, October, November and December (UV index 2).

Average cloud cover in July - Aarau, Switzerland
Average cloud cover in July
Aarau, Switzerland
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in July - Aarau, Switzerland
Average visibility in July
Aarau, Switzerland
  • 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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