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Umag Weather and Climate: A Comprehensive Guide

Umag has a Mediterranean climate. The summers are hot and dry with an average water temperature that can rise to 28°C in July. Winters are mild and the temperature does not fall below the freezing point. It only rains a few days a month except in Autumn when it rains more.

Average maximum day and minimum night temperature

In Umag, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 27°C in August to a chilly 10°C in the coolest month, February.

Nights are cooler, with lows often dropping to around 6°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Umag experiences significant rainfall throughout the year, averaging 1175 mm of precipitation annually. The climate in Umag shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 169 mm of precipitation over 13 rainy days.

In contrast, July offers drier and sunnier days, with around 46 mm of rainfall over 11 rainy days. For more details, please visit our Umag Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Umag serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 3.2 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Portorož, Slovenia (10 KM, 6 Miles).

Daily hours of sunshine

Data from: Portorož, Slovenia (10 KM, 6 Miles).

Forecast for Umag

Sat   Dec 21
10°C | -1°C
NE 4 m/s
clear and no rain

clear and no rain

Sun   Dec 22
11°C | 0°C
SW 5 m/s
14 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
8°C | 0°C
N 5 m/s
2.5 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

The best time of year to visit Umag in Croatia

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Umag?
    Most rainfall (rainy season) is seen in October and November.
  • Which is the warmest month in Umag?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Umag?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Umag?
    November tops the wettest month list with 169 mm of rainfall.
  • Which is the driest month in Umag?
    July is the driest month with 46 mm of precipitation.
  • Which is the sunniest month in Umag?
    July is the sunniest month with an average of 317 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.