Mild in Mar
20°C average high
avg high · 10° at night
25°C+ on 1 in 10 days
Sardinia, Italy
Olbia & Costa Smeralda weather in March
Is it warm? Not really. March in Olbia & Costa Smeralda is cool: afternoons average 17°C and nights 7°C. Most days (80%) peak between 14°C and 20°C.
Cool · average high
17°C
25°C or more on almost no days; 20°C or more on about one in ten days.
- Average low7°overnight
- Sea14°average, 2022–2025
- Rainy days864 mm in the month
- SkyOften cloudy49% cloud · 30% clear days
How warm it really gets
Every March afternoon from 2011–2025: 465 days. Most (80%) peaked between 14° and 20°.
March, year by year
The average March high in each year. The warmest, 2024, averaged 19°C; the coolest, 2022, 16°C.
Compared with home
Average March highs. Expect rain on about 8 days (64 mm in a typical month).
- Olbia & Costa Smeralda17°
- London12°
- Cork11°
- Dublin11°
- Glasgow10°
- Belfast10°
- Manchester10°
Warmer in March, not much further
Flying times are estimates from Dublin; Olbia & Costa Smeralda is about 2h 45m.
Cool in Mar
19°C average high
avg high · 11° at night
25°C+ on 1 in 10 days
Cool in Mar
19°C average high
avg high · 11° at night
25°C+ on rarely
Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Olbia airport. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology