Triest Weather in May

Triest in May sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 119 mm (4.7 in) on average, so pack waterproofs just in case.

Rainfall in Triest in May

The climate data from previous years indicates about 14 days of rain, averaging 119 mm (4.7 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Triest in May

Daytime temperatures in Triest reach 21°C (70°F) in May, dropping to 13°C (55°F) at night. Conditions are often most pleasant around the middle of the day. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Triest in May

Enjoy a sunny month with about 227 hours of sunshine, the clear skies make Triest even more beautiful.

Average water temperature in May

The water is 17°C (63°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

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

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For a detailed overview over the year and the best time to visit Italy, check out our Triest's climate page.

Triest Temperature in May

Min Temperature 13°C (55°F)  

Max Temperature 21°C (70°F)  

Water Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 119 mm (4.7 in)  

Rainy days 14 days  

Humidity 64%  

Sunshine 227 hours  

Percentage Sunshine 51%  

What to Wear in Triest in May

For Triest 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Triest in May

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

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Italy, check out our Triest's climate page.

More climate data for Triest

Temperature Rainfall Sunshine Humidity Water Temp

See the full Triest climate overview or explore weather in Italy.