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Omiš Weather and Climate: A Comprehensive Guide

The climate in Omiš is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rainfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

In Omiš, 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, January.

Nights are cooler, with lows often dropping to around 5°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Omiš experiences significant rainfall throughout the year, averaging 1270 mm of precipitation annually. The climate in Omiš shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 215 mm of precipitation over 13 rainy days.

In contrast, July offers drier and sunnier days, with around 27 mm of rainfall over 9 rainy days. For more details, please visit our Omiš Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, Omiš serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.7 hours of sunshine daily, and embrace the darker days in January, offering only 4.4 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Forecast for Omiš

Sat   Dec 21
10°C | 2°C
NE 5 m/s
clear and no rain

clear and no rain

Sun   Dec 22
9°C | 0°C
E 4 m/s
8.9 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

Mon   Dec 23
7°C | 4°C
N 4 m/s
16 mm
overcast and rain

overcast and rain

The best time of year to visit Omiš 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 Omiš?
    Most rainfall (rainy season) is seen in November and December.
  • Which is the warmest month in Omiš?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Omiš?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Omiš?
    November tops the wettest month list with 215 mm of rainfall.
  • Which is the driest month in Omiš?
    July is the driest month with 27 mm of precipitation.
  • Which is the sunniest month in Omiš?
    July is the sunniest month with an average of 350 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.