AI-generatedOmiš at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 26°
- Warmest sea
- Aug · 24.7°
- Sunshine a year
- 2,450 h
- Rain a year
- 1,254 mm
- Climate
- Mediterranean
- Time zone
- UTC+1 / UTC+2
- Elevation
- 0 m
Climate in Omiš
Omiš has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 26 °C, while January is the coolest at 11 °C. With around 2,450 hours of sunshine a year, Omiš is sunny; July is the sunniest month with 10.8 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 17°
- Midday, 13:00: about 19°
- Afternoon, 16:00: about 19°
- Evening, 20:00: about 18°
- Night, 23:00: about 17°
07:0618:12
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:48–07:44 · evening 17:33–18:30
- Blue hour
- Morning 06:37–06:48 · evening 18:30–18:41
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Omiš in October?
In October, Omiš is mild: daytime highs average 19 °C, and nights cool down to about 17 °C. The sea averages 20.9 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 126 mm in total. All in all, October is not an ideal month for a holiday in Omiš.
More details for October
- Daylight
- 11 h 6 min07:06 – 18:12
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Zagreb
How the score comes together
- Temperatureweight 35 %7 %
- Seaweight 25 %56 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %52 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Sea temperature in Omiš
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 19.8 – 22.1 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Omiš ranges from 13.0 °C in February to 24.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From September to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.4 and 26.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 14.1° | 13.1° | 15.3° | cold |
| FebruaryFeb | 13.0° | 12.2° | 13.8° | cold |
| MarchMar | 13.0° | 12.1° | 13.8° | cold |
| AprilApr | 14.7° | 13.9° | 15.4° | cold |
| MayMay | 18.2° | 17.1° | 19.3° | fresh |
| JuneJun | 22.1° | 21.1° | 23.2° | refreshing |
| JulyJul | 24.4° | 23.2° | 25.4° | pleasant |
| AugustAug | 24.7° | 23.4° | 26.0° | pleasant |
| SeptemberSep | 23.1° | 21.6° | 24.4° | pleasant |
| OctoberOct | 20.9° | 19.8° | 22.1° | refreshing |
| NovemberNov | 18.7° | 17.3° | 20.1° | fresh |
| DecemberDec | 16.2° | 15.0° | 17.6° | cold |
Sunshine hours in Omiš
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 11.1 hours of daylight in Omiš, 53 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Omiš
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 50 min
- Light brown skin
- about 70 min
- Olive skin
- about 90 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Omiš: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Omiš has about 11 rainy days with 126 mm of rain in total.
Wind and clouds in Omiš
How breezy and how cloudy Omiš is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Omiš typically peaks at 18 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Nov – Apr.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 48 % of the sky over Omiš: variable cloud, with about 5.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Omiš
How often the day gets hot in Omiš (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Omiš has about 0 hot days, with an average daytime high of 19 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Omiš
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
PleasantOctober: nights around 17°. Ideal for sleeping, often with the window open. Muggy on about 1 days (dew point 18 °C or more).
The coolest nights are in February (8°), the warmest in August (23°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. It is muggy (dew point 18 °C or more) on about 64 days a year, mostly from June to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 11° | 8° | 14.1° | 3.7 h | 12 | 134 |
| FebruaryFeb | 16 | 11° | 8° | 13.0° | 4.6 h | 10 | 112 |
| MarchMar | 21 | 13° | 10° | 13.0° | 5.7 h | 10 | 105 |
| AprilApr | 22 | 15° | 13° | 14.7° | 6.7 h | 11 | 96 |
| MayMay | 35 | 19° | 17° | 18.2° | 8.2 h | 10 | 75 |
| JuneJun | 80 | 23° | 21° | 22.1° | 9.8 h | 6 | 38 |
| JulyJul | 100 | 26° | 23° | 24.4° | 10.8 h | 4 | 24 |
| AugustAug | 99 | 26° | 23° | 24.7° | 10.2 h | 5 | 43 |
| SeptemberSep | 73 | 23° | 20° | 23.1° | 7.7 h | 8 | 105 |
| OctoberOct | 36 | 19° | 17° | 20.9° | 5.9 h | 11 | 126 |
| NovemberNov | 14 | 16° | 13° | 18.7° | 3.8 h | 14 | 229 |
| DecemberDec | 9 | 13° | 10° | 16.2° | 3.4 h | 13 | 167 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
43.44° N, 16.69° E · 0 m · Europe/Zagreb
Best time to visit Omiš
The best time to visit Omiš is from July to August. For a beach holiday with the sea above 21 °C, go from June to August. For sightseeing, day trips and hiking, conditions are most comfortable from April to October. Rain is most frequent from November to December; the wettest month is November with 229 mm.
Omiš through the seasons
How the weather changes over the seasons, with averages for each.
Omiš in spring
Mar – May
Poor
- 13–19 °C by day
- Sea 15 °C
- 7 h of sun a day
- 31 rainy days in all
Omiš in summer
Jun – Aug
Excellent
- 23–26 °C by day
- Sea 24 °C
- 10 h of sun a day
- 16 rainy days in all
Omiš in autumn
Sep – Nov
Fair
- 16–23 °C by day
- Sea 21 °C
- 6 h of sun a day
- 33 rainy days in all
Omiš in winter
Dec – Feb
Poor
- 11–13 °C by day
- Sea 14 °C
- 4 h of sun a day
- 35 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Omiš for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Compare two months in Omiš
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Omiš: score 100 against 36. In July, days are 7 °C warmer than in October. The sea is 4 °C warmer in July. July has 7 fewer rainy days. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 36 | 100better |
| Day high | 19° | 26° |
| Night low | 17° | 23° |
| Sea | 20.9° | 24.4° |
| Sunshine | 5.9 h | 10.8 hbetter |
| Rainy days | 11 | 4better |
| Rainfall | 126 mm | 24 mmbetter |
| Muggy days | 1better | 20 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jun – Aug
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Oct
15–28 °C and not too much rain
Rainy months
Nov – Dec
12 or more rainy days
Omiš month by month
The typical weather for every month at a glance.
11January11° · Sea 14° · 4 h
In January, Omiš is cool: daytime highs average 11 °C, and nights cool down to about 8 °C. The sea averages 14.1 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 134 mm in total. All in all, January is not an ideal month for a holiday in Omiš.
Omiš in January16February11° · Sea 13° · 5 h
In February, Omiš is cool: daytime highs average 11 °C, and nights cool down to about 8 °C. The sea averages 13.0 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 112 mm in total. All in all, February is not an ideal month for a holiday in Omiš.
Omiš in February21March13° · Sea 13° · 6 h
In March, Omiš is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 13.0 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 105 mm in total. All in all, March is not an ideal month for a holiday in Omiš.
Omiš in March22April15° · Sea 15° · 7 h
In April, Omiš is cool: daytime highs average 15 °C, and nights cool down to about 13 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 96 mm in total. All in all, April is not an ideal month for a holiday in Omiš.
Omiš in April35May19° · Sea 18° · 8 h
In May, Omiš is mild: daytime highs average 19 °C, and nights cool down to about 17 °C. The sea averages 18.2 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 75 mm in total. All in all, May is not an ideal month for a holiday in Omiš.
Omiš in May80June23° · Sea 22° · 10 h
In June, Omiš is warm: daytime highs average 23 °C, and even at night it stays warm at around 21 °C. The sea averages 22.1 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 38 mm. All in all, June is an excellent month for a holiday in Omiš.
Omiš in June100July26° · Sea 24° · 11 h
In July, Omiš is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 24.4 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 24 mm in total. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Omiš.
Omiš in July99August26° · Sea 25° · 10 h
In August, Omiš is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 24.7 °C – pleasant for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 43 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Omiš.
Omiš in August73September23° · Sea 23° · 8 h
In September, Omiš is warm: daytime highs average 23 °C, and nights cool down to about 20 °C. The sea averages 23.1 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 105 mm. All in all, September is a good month for a holiday in Omiš.
Omiš in September36October19° · Sea 21° · 6 h
In October, Omiš is mild: daytime highs average 19 °C, and nights cool down to about 17 °C. The sea averages 20.9 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 126 mm in total. All in all, October is not an ideal month for a holiday in Omiš.
Omiš in October14November16° · Sea 19° · 4 h
In November, Omiš is cool: daytime highs average 16 °C, and nights cool down to about 13 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 4 hours a day. It rains often – on about 14 days, adding up to 229 mm. All in all, November is not an ideal month for a holiday in Omiš.
Omiš in November9December13° · Sea 16° · 3 h
In December, Omiš is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 16.2 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 167 mm in total. All in all, December is not an ideal month for a holiday in Omiš.
Omiš in DecemberOmiš compared
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Omiš vs. Split
In October the holiday weather in Omiš and Split is about equally good (score 36 vs. 37). During the day it is about as warm in Split as in Omiš. The sea is about equally warm.
| in October | Omiš | Split |
|---|---|---|
| Holiday score | 36 | 37 |
| Daytime high | 19° | 19° |
| Sea | 21° | 21° |
| Sunshine | 6 h | 6 h |
| Rainy days | 11 | 10 |
| Best time | Jul – Aug | Jun – Aug |
Through the year
Croatia in October: the best places
In October, Omiš ranks 15 among the 31 nearest destinations in this country.
- Vukovar18°79
- 2Knin19°78
- 3Osijek18°78
- 4Motovun17°70
- 5Karlovac17°68
- 6Zagreb17°68
- 7Trogir20°21°42
- 8Vis20°21°42
- 15OmišThis page19°21°36
Planning a trip to Omiš
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Omiš in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Omiš has its best school-holiday weather during the summer holidays (score 99) and its weakest during the Christmas holidays (score 10).
- 22
Easter holidays
Mar – Apr
Poor
- 15 °C by day
- Sea 14 °C
- 6.4 h of sun a day
- 11 rainy days a month
- 44
May half-term
May – Jun
Fair
- 20 °C by day
- Sea 19 °C
- 8.5 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 99
Summer holidays
Jul – Aug
ExcellentBest holidays
- 26 °C by day
- Sea 25 °C
- 10.4 h of sun a day
- 5 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 36
October half-term
Oct
Poor
- 19 °C by day
- Sea 21 °C
- 5.9 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 10
Christmas holidays
Dec – Jan
Poor
- 12 °C by day
- Sea 15 °C
- 3.6 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 25 min
- Distance
- 1,560 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Omiš
When is the best time to visit Omiš?
The best time to visit Omiš is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Omiš?
The sea temperature in Omiš ranges from 13.0 °C in February to 24.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Omiš in October?
Yes. In October the sea averages 20.9 °C – refreshing for a swim.
What is the warmest month in Omiš?
August is the warmest month, with average highs of 26 °C and nights around 23 °C. January is the coolest month at 11 °C.
When does it rain most in Omiš?
Rain is most frequent from November to December; the wettest month is November with 229 mm. The driest month is July with 24 mm.
How many hours of sunshine does Omiš get?
Omiš gets around 2,450 hours of sunshine a year. The sunniest month is July with 10.8 hours a day; in December there are 3.4 hours a day.
What time zone is Omiš in?
Omiš uses the time zone Europe/Zagreb: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Omiš?
A nonstop flight from London to Omiš takes about 2 h 25 min, for a straight-line distance of about 1,560 km.
Which school holidays are best for Omiš?
Omiš has its best school-holiday weather during the summer holidays (score 99) and its weakest during the Christmas holidays (score 10). Holiday ratings (0–100): Easter holidays 22, May half-term 44, Summer holidays 99, October half-term 36, Christmas holidays 10.
Near Omiš
Other destinations close by.
Places with a climate like Omiš
Destinations whose weather through the year is closest to Omiš's – good alternatives.