Grenchen Weather in May
May in Grenchen typically sees daytime highs of 19°C (66°F) and nighttime lows of 9°C (48°F). As the wettest month of the year, expect more rainfall than other months.
Rainfall in Grenchen in May
This is the wettest month of the year, so having an umbrella ready is a smart choice. Typically, about 18 days will experience rainfall, with an average of 149 mm (5.9 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Grenchen in May
Expect highs of 19°C (66°F) in Grenchen in May, with nights dropping to around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Grenchen in May
The month enjoys around 195 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Grenchen's climate page.
Grenchen Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
61%
Precipitation
149 mm (5.9 in)
Rainy days
18 days
Humidity
73% *
Sunshine
195 hours *
Percentage Sunshine
45% *
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Grenchen in May
Pleasant temperatures in May 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Grenchen in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Grenchen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Grenchen climate overview or explore weather in Switzerland.
