During the week of 2 June 2025 - 8 June 2025, temperatures averaged at 30 °C (86 °F) during the day and dropped to 19 °C (66 °F) at night. Both the daily and night temperatures in Omis are above the long-term average, which is around 26 °C (79 °F) and 16 °C (61 °F) respectively. The average temperatures observed during different times of day (based on local time) were as below: 7am 23 °C (73 °F), 10am 28 °C (82 °F), 1pm 30 °C (86 °F), 4pm 29 °C (84 °F), 7pm 26 °C (79 °F), 10pm 22 °C (72 °F).

The week had 7 days without rain. During the whole week, total of 0 mm (0.00 in) of precipitation was observed, which is below the long term average for Omis, which is 12 mm (0.47 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 21 %.

Average speed of wind was 2.6 m/s. South-East and East were the dominant wind direction(s). The atmosferic pressure ranged from 1014 hpa to 1022 hpa. The average air humidity was 58 % in Omis.

During the daytime (from dawn to dusk), there were in average: 12 hours clear skies, 3 hours partially overcast skies and 2 hours overcast skies. On average, the time of sunrise was 05:13, and the time of sunset was 20:30.

Weather overview

Omiš (Croatia) is a place with a mild climate. The day temperatures range from 10 °C (51 °F) in January to 30 °C (87 °F) in July. The highest sea temperatures in Omiš are in August with 24 °C (75 °F) and the lowest in February with 13 °C (55 °F). The highest night temperatures could be experienced in August with 20 °C (69 °F), the lowest in February with 4 °C (39 °F). The driest month is July with just 4 days of rain, on the contrary, the month when it rains the most is November with 11 days of rain.

January weather

The day temperature is on its minimum, its value is 10 °C (51 °F) in Omiš, while the descent of the sea temperature can be observed, with its value of 14 °C (57 °F). The descent of the rainfall amount can be observed, with its value being 71 mm (2.81 in), while the number of rainy days starts to descent, the value of this measure is 9 days. The night temperature descents similarly to the previous month, with its value being 5 °C (40 °F). The number of sun hours (without clouds) rise's start could be observed in January.

February weather

The minimum of the night temperature is observable, its value is 4 °C (39 °F) in Omiš, and the sea temperature reaches its minimum as well in February. The rise of the number of sun hours (without clouds) can be observed, with its value being 5 hours.

March weather

The number of rainy days descent's start could be observed in Omiš, on the contrary the beginning of the rise of the rainfall amount could be noticed, the value of this measure is 73 mm (2.89 in). The day temperature rise's start could be observed, with its value of 14 °C (57 °F), and the night temperature starts to rise too. The rise of the number of sun hours (without clouds) can be observed.

April weather

The beginning of the rise of the sea temperature could be noticed, the value of this measure is 14 °C (58 °F) in Omiš, while the day temperature continues to rise, the value of this measure is 18 °C (65 °F). The rainfall amount descent's start could be observed. The number of sun hours (without clouds) rises similarly to the previous month, its value is 7 hours. The night temperature rises similarly to the previous month, the value of this measure is 9 °C (49 °F).

May weather

The day temperature rises similarly to the previous month, with its value of 23 °C (74 °F) in Omiš, and the sea temperature continues to rise too, its value is 18 °C (64 °F). The number of rainy days descent's start could be observed, with its value being 7 days, while the rainfall amount continues to descent, the value of this measure is 57 mm (2.25 in). The night temperature continues to rise, with its value being 14 °C (57 °F). The number of sun hours (without clouds) rises similarly to the previous month, its value is 8 hours.

June weather

The rise of the day temperature can be observed, with its value being 27 °C (80 °F) in Omiš, and the sea temperature continues to rise too, with its value being 21 °C (71 °F). The tourist season is at its beginning. The number of rainy days continues to descent, with its value being 6 days, and the descent of the rainfall amount can be observed too, its value is 50 mm (1.98 in). The night temperature continues to rise, its value is 17 °C (63 °F).

July weather

The maximum of the day temperature is observable, the value of this measure is 30 °C (87 °F) in Omiš, while the sea temperature rises similarly to the previous month, with its value being 24 °C (75 °F). The tourist season is close to its peak. The number of rainy days is on its minimum, with its value of 4 days, and the minimum of the rainfall amount can be noticed as well. The maximum of the number of sun hours (without clouds) can be noticed in this month.

August weather

The tourist season is taking place in Omiš. The rainfall amount starts to rise, the value of this measure is 45 mm (1.78 in). The night temperature reaches its maximum, its value is 20 °C (69 °F), and the sea temperature reaches its maximum as well in August. The minimum of the wind speed can be noticed, with its value of 3. The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value of 10 hours.

September weather

The day temperature descent's start could be observed, the value of this measure is 25 °C (77 °F) in Omiš, and the sea temperature descent's start could be observed as well, with its value of 22 °C (72 °F). The ongoing tourist season is noticeable. The rise of the rainfall amount can be observed, its value is 75 mm (2.93 in). The number of sun hours (without clouds) continues to descent, its value is 8 hours. The night temperature starts to descent, with its value being 16 °C (61 °F).

October weather

The ongoing tourist season is noticeable this month in Omiš. The day temperature continues to descent, with its value of 21 °C (69 °F), and the sea temperature continues to descent too, with its value of 20 °C (69 °F). The number of rainy days rises similarly to the previous month, and the rainfall amount rises similarly to the previous month as well, its value is 85 mm (3.36 in). The number of sun hours (without clouds) continues to descent, the value of this measure is 6 hours.

November weather

The sea temperature descents similarly to the previous month, its value is 18 °C (64 °F) in Omiš, and the descent of the day temperature can be observed too, with its value of 15 °C (59 °F). The maximum of the number of rainy days can be noticed, with its value being 11 days, and the rainfall amount reaches its maximum as well, its value is 111 mm (4.37 in). The descent of the night temperature can be observed, its value is 9 °C (48 °F). The descent of the number of sun hours (without clouds) can be observed, with its value being 4 hours.

December weather

The day temperature continues to descent, its value is 12 °C (53 °F) in Omiš, and the sea temperature continues to descent too, with its value of 16 °C (60 °F). The descent of the night temperature can be observed, its value is 6 °C (43 °F). The minimum of the number of sun hours (without clouds) can be noticed in December. The maximum of the humidity is observable in this month. The rainfall amount starts to descent, with its value being 99 mm (3.91 in).

What is the night temperature in Omiš in April?

The average night temperature in April in Omiš is 9 °C (49 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

How many days of precipitation on average can I expect in Omiš in May?

There are 7 days, which are rainy in May in Omiš, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 24 % days.

What is the temperature in Omiš during the day in June?

The average daily temperature in June in Omiš is 27 °C (80 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

What is the sea temperature in Omiš in July?

The sea will reach 24 °C (75 °F) in Omiš in July. This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.

Is it hot in Omiš in August?

In Omiš in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is there a wet season in September in Omiš?

No, there is no wet season in Omiš in September - you can expect 7 days of rain during the month.

Are there good conditions to visit in October in Omiš?

There are good conditions for visiting in October in Omiš. You can expect just 8 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 21 °C (69 °F), but others will feel perfectly fine. A sea temperature of 20 °C (69 °F) can seem colder to some, but others will call it refreshing. The temperature of 13 °C (55 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.