Aargau Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Aargau, Switzerland in August.

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Baden Aarau Bad Zurzach Rheinfelden

Planning a journey to Aargau, Switzerland this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Aargau in August

Aargau, Switzerland is a region in Switzerland. August in Aargau generally has temperatures that range from pleasant to warm, with precipitation levels ranging from high to heavy. The month of August is in the summer season.

Temperatures

During the day the temperature is pleasant in Blankenburg at 20°C (68°F) and warm in Rheinfelden at 25°C (77°F). As night falls, temperatures generally drop to 14°C (57°F) in Rheinfelden and 9°C (48°F) in Blankenburg.

To explore the conditions in Aargau, Switzerland in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Rheinfelden with an average of 123 mm (4.8 in) to heavy rainfall in Säntis (the highest mountain in the Alpstein massif) with 250 mm (9.8 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Baden sees close to 215 hours of sunlight, making it great for sun lovers.

Explore Aargau by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Aargau in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Aargau.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Aargau

What is the weather like in August for some of the most popular destinations in Aargau, Switzerland?

Temperature range in Aargau (August)

Precipitation variation in Aargau (August)

Baden

In August Baden generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
20°C (68°F)
Min temperature
14°C (57°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
230 hours
215 hours
166 hours
Monthly rainfall
143 mm (5.6 in)
136 mm (5.4 in)
105 mm (4.1 in)
Monthly rainy days
16 days
16 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Baden →

Aarau

In August Aarau generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
24°C (75°F)
20°C (68°F)
Min temperature
14°C (57°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
237 hours
216 hours
162 hours
Monthly rainfall
165 mm (6.5 in)
157 mm (6.2 in)
120 mm (4.7 in)
Monthly rainy days
16 days
16 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Aarau →

Bad Zurzach

In August Bad Zurzach generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
20°C (68°F)
Min temperature
14°C (57°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
230 hours
215 hours
166 hours
Monthly rainfall
137 mm (5.4 in)
128 mm (5 in)
101 mm (4 in)
Monthly rainy days
16 days
16 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Bad Zurzach →

Rheinfelden

In August Rheinfelden generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
21°C (70°F)
Min temperature
14°C (57°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
237 hours
216 hours
162 hours
Monthly rainfall
127 mm (5 in)
123 mm (4.8 in)
100 mm (3.9 in)
Monthly rainy days
15 days
16 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Rheinfelden →

Beinwil

In August Beinwil generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 15°C (59°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
24°C (75°F)
20°C (68°F)
Min temperature
15°C (59°F)
15°C (59°F)
11°C (52°F)
Monthly sun hours
230 hours
215 hours
166 hours
Monthly rainfall
176 mm (6.9 in)
170 mm (6.7 in)
134 mm (5.3 in)
Monthly rainy days
16 days
17 days
13 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Beinwil →

Is your destination not in the list? Have a look at all destinations in Aargau, in Switzerland.

In our records: Switzerland August extremes

Notable August records observed across cities in Switzerland in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Switzerland reached 41°C (106°F) in Veysonnaz on August 21, 2023.

Popular cities in August

Day & night temperatures, rainfall and average weather in Aargau in August.

City Weather Day temp Night temp Rainfall
Baden 25°C (77°F) 14°C (57°F) 136 mm (5.4 in)
Aarau 24°C (75°F) 14°C (57°F) 157 mm (6.2 in)
Bad Zurzach 25°C (77°F) 14°C (57°F) 128 mm (5 in)
Rheinfelden 25°C (77°F) 14°C (57°F) 123 mm (4.8 in)
Beinwil 24°C (75°F) 15°C (59°F) 170 mm (6.7 in)
Frick 24°C (75°F) 14°C (57°F) 149 mm (5.9 in)

Aargau weather in August: frequently asked questions

What is the weather like in Aargau, Switzerland in August?

August in Aargau, Switzerland brings pleasant weather. In Baden, daytime temperatures are typically around 25°C (77°F) and nighttime lows hover near 14°C (57°F).

What is the average temperature in Aargau, Switzerland in August?

Average temperatures in Aargau, Switzerland during August range from a nighttime low near 14°C (57°F) to a daytime high around 25°C (77°F) in Baden.

Does Aargau, Switzerland get a lot of rain in August?

Yes, August tends to be a wetter month in Aargau, Switzerland. Average rainfall in Baden sits around 136 mm (5.4 in).

Is August a Good Time to Visit Aargau, Switzerland?

We consider August to be one of the best times to travel to Aargau, Switzerland. Typically, the climate in Baden is pleasant. However, the weather conditions may vary depending on your destination.

Generally speaking, May, June, July, August and September provide pleasant weather in Baden. On the other hand, the weather in January, February, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Aargau.

Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed historical weather averages for many cities in Switzerland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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