Grenchen Weather in August

August in Grenchen typically sees daytime highs of 24°C (75°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Grenchen in August

Historically, the month has about 16 days of rain, averaging 149 mm (5.9 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Grenchen in August

In August, Grenchen gets high temperatures, with highs of 24°C (75°F). Nights cool to around 14°C (57°F). During August, you'll experience the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Grenchen in August

Expect a lot of sunshine this month, with about 227 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Grenchen's climate page.

Grenchen Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 53%  

Precipitation 149 mm (5.9 in)  

Rainy days 16 days  

Humidity 73% *  

Sunshine 227 hours *  

Percentage Sunshine 56% *  

* Data from: Bern, Switzerland (27 KM, 17 Miles).

What to Wear in Grenchen in August

For Grenchen in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Grenchen in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Grenchen's climate page.

More climate data for Grenchen

Temperature Rainfall Sunshine Humidity

See the full Grenchen climate overview or explore weather in Switzerland.