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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.
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).
Olten Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Olten - and find the best time to visit.
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
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming6/10 -
Camping3/10
Olten 3-Day Forecast
More climate data for Olten
Temperature Rainfall Sunshine Humidity
See the full Olten climate overview or explore weather in Switzerland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana
12°C (54°F) Engelberg12°C (54°F) Nendaz12°C (54°F) Davos11°C (52°F) Saas-Fee9°C (48°F) Grindelwald10°C (50°F) Zermatt7°C (45°F) Bucket list
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The 5 most scenic train journeys in Switzerland
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