Split weather in August

In August, Split sees average daytime highs of 26°C and overnight lows near 21°C, with 40 mm of rain across 4.5 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 25°C by the end. The sky is clear or mostly clear about 76% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Split's 2nd-clearest and 12th-windiest month. For the whole year in context, see Split's year-round climate.

Daytime high
26°
1st warmest
Overnight low
21°
12th coldest
Rainfall
40 mm
4.5 wet days
Daylight
13 h 48 min
5:04 AM – 6:53 PM
Cloud cover
25%
2nd clearest
Wind
10 km/h
12th windiest
Solar energy
6.13 kWh/m²
Travel score
8.3
out of 10
Air quality
Moderate
PM2.5 10.5 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 25°C by the end.

A typical August day in Split reaches about 26°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72622
82622
92622
102622
112622
122622
132622
142622
152621
162621
172621
182621
192621
202621
212621
222521
232521
242521
252521
262521
272520
282520
292520
302420
312420

Split weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12111.21.29.11.9
Feb10° / 1069.81.510.22.1
Mar12° / 1029.70.811.63.3
Apr15° / 11°99110.213.24.4
May19° / 15°719.2014.56.4
Jun23° / 19°426.8015.27.8
Jul25° / 21°254.7014.98.3
Aug26° / 21°404.5013.88.3
Sep22° / 18°1037.8012.37.3
Oct18° / 14°13711.1010.86.0
Nov14° / 10°22213.90.29.53.8
Dec10° / 17312.60.98.82.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38713
48713
58713
68713
78713
88713
98812
108812
118812
128812
138911
148812
158812
168812
178911
188911
198911
208911
218911
228812
238812
248812
258713
268614
278515
288416
298317
308218
318119

Chance of precipitation in August

Any precipitation

Split gets around 40 mm of rain over 4.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
215
314
414
513
613
713
813
912
1012
1112
1212
1312
1413
1513
1613
1714
1814
1915
2015
2115
2216
2316
2417
2517
2618
2719
2819
2920
3020
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14933522
24933522
33932542
43932542
531032532
641033512
741033512
841033512
941133502
1041133502
1141133502
1241134492
1341234492
1441234482
1541235472
1641236472
1741236461
1841237461
1951237461
2051137451
2151138451
2261238441
2371238431
2481238421
2591238401
26101338391
27111438371
28121538351
29131637331
30151737311
31161737291

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:47 AM to 5:21 AM, and sunset from 7:13 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:477:13
214.44:497:12
314.44:507:11
414.34:517:09
514.34:527:08
614.24:537:07
714.24:547:06
814.24:557:04
914.14:567:03
1014.14:577:01
1114.04:587:00
1214.05:006:59
1313.95:016:57
1413.95:026:56
1513.95:036:54
1613.85:046:53
1713.85:056:51
1813.75:066:49
1913.75:086:48
2013.65:096:46
2113.65:106:44
2213.55:116:43
2313.55:126:41
2413.45:136:39
2513.45:146:38
2613.35:166:36
2713.35:176:34
2813.25:186:33
2913.25:196:31
3013.15:206:29
3113.15:216:27

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.13 kWh/m².

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 6.95 kWh/m² in July across the year — August's 6.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.0Intense
206.0Bright
216.0Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Hazard calendar for Split

In seasonPeak

None of Split's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Split's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Split?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.3
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

August is one of the better times to visit Split for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Split in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Split sees daytime highs around 26°C and nights near 21°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

Sea temperature near Split in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 2 to Oct 27 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Split in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Split peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 15UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Split?

Split sits at 43.5°N, 16.4°E, 12 m above sea level, in Croatia. The nearest listed city is Solin, 6.0 km away.

HvarSibenikKorčulaBugojnoMeđugorjeMostarJajce

Topography around Split

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Split.

Within 3 km, the terrain around Split has only modest variations in elevation — a maximum elevation change of 167 m around an average of 17 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,316 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,975 m.

The land around Split is covered by water (55%) and artificial surfaces (30%) within 3 km, water (46%) and trees (22%) within 16 km, and water (42%) and trees (25%) within 80 km.

3 km
167 m
16 km
1,316 m
80 km
1,975 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Solin 6.0 km · Hvar 37 km · Sibenik 51 km · Korčula 83 km · Bugojno 102 km · Međugorje 106 km · Mostar 112 km · Jajce 114 km

Croatia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$27,104
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
87%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 617
Religion
Roman Catholic 79%other Christian 5%none or atheist 5%Orthodox 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Split (43.5089°, 16.4392°, elevation 12 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).