Split, Croatia climate

Csa Hot-summer Mediterranean

Split has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is August with an average daily high near 31°C, while the coldest is January averaging around 6°C at night. Precipitation totals about 801 mm a year and is strongly seasonal — November alone averages 124 mm while July barely receives 24 mm.

☀️ Summers

Hot

Highs near 31°C in August.

About 30 days a year above 32 °C

❄️ Winters

Cool

Lows near 6°C in January.

About 6 freezing nights a year

🌧️ Rain

Moderate rainfall

About 801 mm of rain a year.

Wettest in November

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.8 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Split climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	11	12	15	18	23	28	31	31	25	20	16	12
Avg temp (°C)	8	9	11	15	20	24	27	27	22	18	13	9
Avg low (°C)	6	6	8	12	16	20	23	23	18	15	11	7
Precipitation (mm)	71	65	58	63	59	47	24	34	81	80	124	96

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	11	12	15	18	23	28
Avg temp (°C)	8	9	11	15	20	24
Avg low (°C)	6	6	8	12	16	20
Precipitation (mm)	71	65	58	63	59	47

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	31	31	25	20	16	12
Avg temp (°C)	27	27	22	18	13	9
Avg low (°C)	23	23	18	15	11	7
Precipitation (mm)	24	34	81	80	124	96

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	10	9	9	10	9	7	5	5	7	9	11	11
Days with high ≥ 32°C (days)	—	—	—	—	0.1	4	13	12	0.5	—	—	—
Days with low ≤ 0°C (days)	2	2	0.5	—	—	—	—	—	—	—	0.1	1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	10	9	9	10	9	7
Days with high ≥ 32°C (days)	—	—	—	—	0.1	4
Days with low ≤ 0°C (days)	2	2	0.5	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	5	7	9	11	11
Days with high ≥ 32°C (days)	13	12	0.5	—	—	—
Days with low ≤ 0°C (days)	—	—	—	—	0.1	1

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	67	66	64	65	60	50	38	37	52	59	69	66
Clear days (≤ 30% cloud)	4	4	5	5	6	9	15	15	9	9	4	5
Partly cloudy days (30–70%)	11	10	10	10	12	12	11	11	11	9	8	10
Cloudy days (≥ 70%)	16	14	16	15	13	9	5	5	10	14	17	16
Relative humidity (%)	77	75	75	74	71	66	59	58	66	72	77	77
Wind speed (km/h)	12.9	13.3	13.1	11.2	9.6	8.7	9.0	8.7	10.4	11.3	13.5	13.5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	67	66	64	65	60	50
Clear days (≤ 30% cloud)	4	4	5	5	6	9
Partly cloudy days (30–70%)	11	10	10	10	12	12
Cloudy days (≥ 70%)	16	14	16	15	13	9
Relative humidity (%)	77	75	75	74	71	66
Wind speed (km/h)	12.9	13.3	13.1	11.2	9.6	8.7

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	38	37	52	59	69	66
Clear days (≤ 30% cloud)	15	15	9	9	4	5
Partly cloudy days (30–70%)	11	11	11	9	8	10
Cloudy days (≥ 70%)	5	5	10	14	17	16
Relative humidity (%)	59	58	66	72	77	77
Wind speed (km/h)	9.0	8.7	10.4	11.3	13.5	13.5

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Split Marjan, a weather station, inside the city. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →