Omiš Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Omiš, Split-Dalmatia County, Croatia. This average is based on long-term data collected between 1990 and 2020. Now, let's explore all the details to give you a full picture.
Omiš experiences significant rainfall throughout the year, averaging 1270 mm (50 in) of precipitation annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Omiš can be quite wet during November, receiving approximately 215 mm (8.5 in) of precipitation over 13 rainy days.
In contrast July, experiences much drier conditions, with 27 mm (1.1 in) of rainfall, spread across 9 rainy days.
November, the wettest month, has a maximum daytime temperature of 15°C (59°F). The city receives 195 hours of sunshine in this period. During the driest month July you can expect a temperature of 27°C (81°F). For more detailed insights into the city's temperatures, visit our Omiš Temperature page.
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Explore Omiš's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Omiš spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Croatia: City Comparison
The map below shows the annual precipitation across Croatia. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Omiš vs World: Rainfall Compared
Omiš's average annual precipitation is 1270 mm (50 in). Let's compare this to some popular worldwide tourist destinations:
Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Omiš's weather, including sunshine hours, humidity levels, and temperature data, visit our Omiš Climate page.
