Umag weather

Our guide to the weather in Umag during May

19

Average high

5

UV Index

143mm

Monthly rainfall

18

Sea temperature

Umag is a stunning coastal town in Croatia, offering a great mix of culture, history, and stunning scenery. May is a great time to visit and enjoy the mild weather and outdoor activities. We've looked at the most up-to-date weather data for Umag, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Umag weather in May.

What's the temperature like in Umag during May?

The temperature is extremely stable in May with average highs of 19℃ and lows just 4℃ lower at 15℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Umag during May?

On average, there will be 8 rainy days during the month, amounting to 142.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Umag during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With moderate air temperatures, any breeze will feel cool.

How warm is the sea in Umag during May?

The water around Umag is around 18℃ during May. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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Weather in Umag

Our month-by-month guide to the weather and climate in Umag

8.3

Umag weather in

January
9.1

Umag weather in

February
11.7

Umag weather in

March
15.2

Umag weather in

April
19.0

Umag weather in

May
23.8

Umag weather in

June
26.5

Umag weather in

July
26.9

Umag weather in

August
22.8

Umag weather in

September
18.1

Umag weather in

October
13.9

Umag weather in

November
9.9

Umag weather in

December