Gromnik Weather in May

During May, Gromnik experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 14°C (57°F). Expect quite a bit of rainfall. Around 121 mm (4.8 in) is typical.

Rainfall in Gromnik in May

Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 121 mm (4.8 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Gromnik in May

If you're visiting Gromnik in May, expect highs of 21°C (70°F) and overnight lows around 14°C (57°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Gromnik in May

The month enjoys around 234 hours of sunshine, creating mostly sunny days with good weather conditions.

For Gromnik itself, June and July generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Gromnik Temperature in May

Min Temperature 14°C (57°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 48%  

Precipitation 121 mm (4.8 in)  

Rainy days 14 days  

Humidity 64% *  

Sunshine 234 hours *  

Percentage Sunshine 57% *  

* Data from: Rijeka, Croatia (27 KM, 16 Miles).

What to Wear in Gromnik in May

For Gromnik 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Gromnik 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 Croatia, check out our Gromnik's climate page.

More climate data for Gromnik

Temperature Rainfall Sunshine Humidity

See the full Gromnik climate overview or explore weather in Croatia.