Climate averages 1991–2020
Split weather
in May.
A mild, moderately wet month: the 5th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Split: daytime highs average 21.6°C and nights cool to about 13.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 71 mm of rain on roughly 9 days, which makes May a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 41 min on an average May day.
The nearest other city in this atlas is Mostar (112 km away). In May its highs average 22.1°C, about as warm as Split, with 109 mm of rain.
Among the 4 cities listed in Croatia, Split ranks 2nd of 4 for the warmest May highs and 2nd of 4 for the driest May (rainfall, lowest first). The mean May high of those 4 cities is 21.4°C; Split is 0.2°C warmer than that mean.
From May to June, average highs rise by 4.3°C to 25.9°C, and monthly rainfall falls from 71 mm to 42 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Split climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.0°C3.8°C | 3.8°C | 121 | 11.2 | 9.39 h |
| February | 10.9°C3.7°C | 3.7°C | 107 | 9.8 | 10.510 h |
| March | 13.8°C6.2°C | 6.2°C | 102 | 9.7 | 11.912 h |
| April | 17.2°C9.5°C | 9.5°C | 99 | 11.0 | 13.413 h |
| May, selected | 21.6°C13.8°C | 13.8°C | 71 | 9.2 | 14.715 h |
| June | 25.9°C17.8°C | 17.8°C | 42 | 6.7 | 15.415 h |
| July | 28.8°C20.2°C | 20.2°C | 25 | 4.6 | 15.115 h |
| August | 29.2°C20.5°C | 20.5°C | 40 | 4.5 | 14.014 h |
| September | 24.2°C16.6°C | 16.6°C | 103 | 7.7 | 12.613 h |
| October | 19.8°C12.9°C | 12.9°C | 137 | 11.1 | 11.111 h |
| November | 15.1°C9.1°C | 9.1°C | 222 | 13.9 | 9.710 h |
| December | 11.1°C5.1°C | 5.1°C | 173 | 12.6 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Mostar in MayBosnia and Herzegovina · 112 kmHigh 22.1°C · Low 11.1°C · 109 mm rain
- Zenica in MayBosnia and Herzegovina · 140 kmHigh 20.6°C · Low 10.5°C · 120 mm rain
- Bihać in MayBosnia and Herzegovina · 152 kmHigh 20.5°C · Low 10.4°C · 127 mm rain
- Banja Luka in MayBosnia and Herzegovina · 154 kmHigh 21.3°C · Low 10.1°C · 112 mm rain
- Ilidža in MayBosnia and Herzegovina · 154 kmHigh 19.4°C · Low 9.8°C · 110 mm rain
- Sarajevo in MayBosnia and Herzegovina · 159 kmHigh 19.5°C · Low 9.5°C · 110 mm rain
- Tuzla in MayBosnia and Herzegovina · 212 kmHigh 21.1°C · Low 10.4°C · 116 mm rain
- Pescara in MayItaly · 216 kmHigh 21.4°C · Low 13.4°C · 54 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Split) is explained once on the Split year overview and on the Sources, method and limits page.