Troistorrents
Weather by month
Current – 10-day forecastForecast

Troistorrents Weather in May

During May, Troistorrents experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 4°C (39°F). May sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Troistorrents in May

Troistorrents is in the rainy season in May, with rain on around 19 days and an average of 193 mm (7.6 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Troistorrents in May

May in Troistorrents sees highs of 15°C (59°F) and lows of 4°C (39°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Troistorrents in May

Expect sunny days throughout the month, with an estimated 230 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Troistorrents.

Troistorrents Temperature in May

Min Temperature
4°C (39°F)
Max Temperature
15°C (59°F)
Chance of Rain
62%
Precipitation
193 mm (7.6 in)
Rainy days
19 days
Humidity
62% *
Sunshine
230 hours *
Percentage Sunshine
56% *
* Data from: Sion, Switzerland (32 KM, 19 Miles).

Troistorrents Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Troistorrents - 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 Troistorrents in May

Pack for changing conditions in Troistorrents in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Troistorrents in May

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

  • Swimming
    4/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Troistorrents 3-Day Forecast

More climate data for Troistorrents

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.