Olten Weather in May

With daytime temperatures of 19°C (66°F) and nighttime lows of 9°C (48°F), May in Olten brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 151 mm (5.9 in) falls on average.

Rainfall in Olten in May

Historically, approximately 18 days this month are expected to have rain, averaging 151 mm (5.9 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Olten in May

May in Olten brings pleasant temperatures, with highs of 19°C (66°F) and nights 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 Olten in May

The area enjoys a balanced 188 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Olten.

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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 Olten's climate page.

Olten Temperature in May

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 60%  

Precipitation 151 mm (5.9 in)  

Rainy days 18 days  

Humidity 72% *  

Sunshine 188 hours *  

Percentage Sunshine 43% *  

* Data from: Basel, Switzerland (33 KM, 20 Miles).

What to Wear in Olten in May

For Olten in May, 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Olten in May

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

Swimming

6/10

Camping

3/10

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 Olten's climate page.

More climate data for Olten

Temperature Rainfall Sunshine Humidity

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