Grilly Weather in August

Grilly in August sees high temperatures, with highs around 24°C (75°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 138 mm (5.4 in) on average, so pack waterproofs just in case.

Rainfall in Grilly in August

Expect around 14 days of rain based on historical data, with 138 mm (5.4 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Grilly in August

In August, Grilly sees high temperatures, with highs of 24°C (75°F). Nights drop to around 14°C (57°F). During August, the summer season is in full swing. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Grilly in August

There are approximately 241 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in August

With water at 23°C (73°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

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 France, check out our Grilly's climate page.

Grilly Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 24°C (75°F)  

Water Temperature 23°C (73°F) *  

Chance of Rain 46%  

Precipitation 138 mm (5.4 in)  

Rainy days 14 days  

Humidity 68% *  

Sunshine 241 hours *  

Percentage Sunshine 61% *  

* Data from: Geneva, Switzerland (13 KM, 8 Miles).

What to Wear in Grilly in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 23°C (73°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Grilly 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 France, check out our Grilly's climate page.

More climate data for Grilly

Temperature Rainfall Sunshine Humidity Water Temp

See the full Grilly climate overview or explore weather in France.