Ernen Weather in May

May in Ernen typically sees daytime highs of 9°C (48°F) and nighttime lows of 0°C (32°F). May falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Ernen in May

As part of the rainy season, Ernen sees around 20 days of rain in May, with an average of 172 mm (6.8 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Ernen in May

In May, Ernen sees low temperatures, with highs of 9°C (48°F). Nights drop to around 0°C (32°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 0°C (32°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Ernen in May

The month experiences a moderate amount of sunlight, with 183 hours of sunshine. This provides a nice balance between sunshine and rain.

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Ernen Temperature in May

Min Temperature 0°C (32°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 67%  

Precipitation 172 mm (6.8 in)  

Rainy days 20 days  

Humidity 72% *  

Sunshine 183 hours *  

Percentage Sunshine 43% *  

* Data from: Interlaken, Switzerland (35 KM, 22 Miles).

What to Wear in Ernen in May

Cold weather calls for smart layering in May. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Ernen in May

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

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

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 Ernen's climate page.

More climate data for Ernen

Temperature Rainfall Sunshine Humidity

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