Weather in Split in March
Croatia · 20-year averages, March
Shoulder season. March is shoulder season in Split — cheaper, quieter, and a genuine gamble. Highs sit at 14 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.
March ranks 9 of 12 in Split: past the worst of the year but short of June, which is the month to book if the dates are open.
Rain on 10 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 14 °C the difference between a good day and a miserable one is entirely down to what you are wearing.
What the averages hide
Averages flatten a month, and this one hides a few things: the day barely swings — 5.4 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 21.6 °C and the coldest night fell to -4 °C, and the wettest single day dropped 40 mm — roughly 51% of the month's rain in one day.
March is moderately variable: 3 mm in the driest year against 182 mm in the wettest, around an average of 78 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.
Wind is light at 13.4 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, which at 14 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.
How March sits in the year
The month is on the way up: 2.8 °C warmer than February, and April adds another 3.5 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in March
11.8 hours of daylight, gaining 1.5 hours across the month. That is between Split's extremes of 15.4 and 9 hours, so days are long enough not to constrain the plan.
An inland climate
Despite being inland, the year stays fairly even: 23.8 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
March in Split versus nearby
If Split is one option among several, the nearby comparison is worth making. Dubrovnik is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Slavonski Brod is close enough to be a coin toss — within a degree on temperature, the same number of rain days.
So: March is a compromise. June is 23 points better and is what Split is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Split
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 10.5 | 6.3 | 11 | 91 | 78 | 9.3 | 48 |
| February | 11.2 | 6.4 | 10 | 89 | 77 | 10.5 | 52 |
| March | 14 | 8.6 | 10 | 78 | 76 | 11.8 | 61 |
| April | 17.5 | 11.7 | 10 | 65 | 74 | 13.4 | 73 |
| May | 21.8 | 15.7 | 9 | 57 | 71 | 14.7 | 83 |
| June | 26.5 | 19.9 | 8 | 51 | 66 | 15.4 | 84 |
| July | 29.9 | 22.6 | 5 | 29 | 58 | 15.1 | 78 |
| August | 30.1 | 23 | 6 | 41 | 58 | 14 | 75 |
| September | 25.3 | 18.8 | 9 | 90 | 65 | 12.6 | 81 |
| October | 20.9 | 15.2 | 10 | 88 | 72 | 11.1 | 80 |
| November | 16.3 | 11.8 | 13 | 126 | 77 | 9.7 | 62 |
| December | 12 | 7.7 | 12 | 116 | 77 | 9 | 50 |
See all twelve months in Split, or where else to go in March.
Planning the rest of the trip
- Flight time to Split how long you are actually in the air
- Split time zone and the difference from home
- Days until your trip count down to the departure date