La Tzoumaz
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La Tzoumaz Weather in May

During May, La Tzoumaz experiences low daytime temperatures of 12°C (54°F) and cooler nights around 1°C (34°F). Expect quite a bit of rainfall. Around 161 mm (6.3 in) is typical.

Rainfall in La Tzoumaz in May

You can typically expect 20 days of rain this month, averaging around 161 mm (6.3 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in La Tzoumaz in May

Daytime highs in La Tzoumaz in May reach 12°C (54°F), with nights around 1°C (34°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights fall to 1°C (34°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 La Tzoumaz in May

The days are predominantly sunny, with an estimated total of around 230 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in La Tzoumaz in May

Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit La Tzoumaz. Our weather planner can help you explore destinations with more pleasant weather conditions.

La Tzoumaz Temperature in May

Min Temperature
1°C (34°F)
Max Temperature
12°C (54°F)
Chance of Rain
65%
Precipitation
161 mm (6.3 in)
Rainy days
20 days
Humidity
62% *
Windspeed
2 m/s (4 knots) *
Sunshine
230 hours *
Percentage Sunshine
56% *
* Data from: Sion, Switzerland (11 KM, 7 Miles).

La Tzoumaz Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in La Tzoumaz - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in La Tzoumaz typically rise from around 17°C (63°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).

Average temperatures in May

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Historical weather records for La Tzoumaz in May

Browse day-by-day weather records for La Tzoumaz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

La Tzoumaz historical weather extremes in May

Based on weather observations in La Tzoumaz between 1976 and 2026, these are the recorded extremes during May.

  • On May 4, 2002, La Tzoumaz saw its coldest May day with temperatures maxing out at 3°C (37°F).
  • The lowest overnight temperature recorded in May was -14°C (7°F) (May 7, 1997).
  • The heaviest May precipitation occurred on May 1, 2015, when 45 mm (1.8 in) of precipitation fell.

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 La Tzoumaz in May

The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in La Tzoumaz 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
  • Outdoor sports
    5/10

La Tzoumaz 3-Day Forecast

More climate data for La Tzoumaz

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.