Weather in Cagliari in June
Italy · 20-year averages, June
Prime time. June is about as good as Cagliari gets. Highs average 24.3 °C, lows 20.4 °C, and rain falls on 2 days — nothing in the month is working against you.
June is the highest-scoring month of the twelve. The nearest rival is July, and the month at the other end of the year is February.
Rain falls on only 2 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average June reaches 30 °C; the day barely swings — 3.9 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest June day reached 30.5 °C and the coldest night fell to 14.8 °C.
This is the volatile part. June rainfall has ranged from 0 mm to 33 mm across the twenty years measured — a 33 mm spread around an average of 10 mm. The average is real but almost no individual June looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 13 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.
How June sits in the year
The month is on the way up: 4.2 °C warmer than May, and July adds another 3.3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in June
June is at or near the longest days of Cagliari's year: 14.9 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
Sea temperature
The sea sits at about 21.4 °C in June — comfortable for a proper swim. The sea peaks at 25.7 °C in August and bottoms out at 14.1 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Cagliari versus nearby
If Cagliari is one option among several, the nearby comparison is worth making. Palermo is the weaker option in June — 4.6 °C warmer, 1 day more rain. Rome is the weaker option in June — 5.3 °C warmer, 4 days more rain.
So: June is the answer for Cagliari. If it is booked out or priced out, July is the next best thing at 1 points behind, and February is the month to keep off the shortlist.
Every month in Cagliari
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 14.1 | 11.3 | 10 | 52 | 78 | 9.7 | 14.7 | 64 |
| February | 13.8 | 10.7 | 9 | 51 | 77 | 10.7 | 14.1 | 64 |
| March | 15.2 | 11.8 | 8 | 48 | 79 | 11.9 | 14.3 | 70 |
| April | 17.1 | 13.7 | 7 | 46 | 80 | 13.2 | 15.4 | 78 |
| May | 20.1 | 16.5 | 5 | 36 | 78 | 14.3 | 17.8 | 91 |
| June | 24.3 | 20.4 | 2 | 10 | 74 | 14.9 | 21.4 | 97 |
| July | 27.6 | 23.4 | 1 | 3 | 71 | 14.7 | 24.6 | 96 |
| August | 28.2 | 24.2 | 3 | 12 | 69 | 13.8 | 25.7 | 90 |
| September | 25.5 | 22.1 | 6 | 38 | 72 | 12.5 | 24.3 | 89 |
| October | 22.6 | 19.5 | 7 | 51 | 77 | 11.2 | 22 | 87 |
| November | 18.5 | 15.9 | 12 | 90 | 78 | 10.1 | 18.9 | 73 |
| December | 15.4 | 12.7 | 10 | 67 | 77 | 9.4 | 16.2 | 66 |
See all twelve months in Cagliari, or where else to go in June.
Planning the rest of the trip
- Flight time to Cagliari how long you are actually in the air
- Cagliari time zone and the difference from home
- Days until your trip count down to the departure date