Mex Weather in May

May in Mex averages 14°C (57°F) during the day and 3°C (37°F) at night. May is part of the rainy season, with around 186 mm (7.3 in) of rainfall and frequent showers.

Rainfall in Mex in May

Mex is in the rainy season in May, with rain on around 19 days and an average of 186 mm (7.3 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Mex in May

May in Mex sees highs of 14°C (57°F) and lows of 3°C (37°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Mex in May

The city usually sees around 230 hours of sunlight, indicating many sunny days despite it being the rainy season.

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

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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 Mex's climate page.

Mex Temperature in May

Min Temperature 3°C (37°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 62%  

Precipitation 186 mm (7.3 in)  

Rainy days 19 days  

Humidity 62% *  

Sunshine 230 hours *  

Percentage Sunshine 56% *  

* Data from: Sion, Switzerland (25 KM, 16 Miles).

What to Wear in Mex in May

The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mex 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

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 Mex's climate page.

More climate data for Mex

Temperature Rainfall Sunshine Humidity

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