
Costa Smeralda Monthly Climate Averages
To help you choose the best time to travel, you can find climate data below on the weather in Costa Smeralda .
Month | ![]() day |
![]() night |
![]() rain |
![]() |
January | +14.6 | +5.2 | 47 | 10.1h |
February | +15.2 | +5.9 | 73 | 11.2h |
March | +16.5 | +6.3 | 63 | 12.4h |
April | +18.4 | +8.2 | 56 | 13.8h |
May | +22.7 | +11.3 | 37 | 15h |
June | +27.6 | +15.4 | 18 | 15.6h |
July | +30.5 | +18.3 | 6 | 15.3h |
August | +30.8 | +18.5 | 28 | 14.2h |
September | +27 | +15.9 | 41 | 12.9h |
October | +22.2 | +11.8 | 58 | 11.5h |
November | +17.8 | +8 | 56 | 10.4h |
December | +15.4 | +6.1 | 98 | 9.8h |
High season with the best weather conditions for the beach leisure in Costa Smeralda are typically July, August, September.
Temperature in Costa Smeralda
The table shows that the hottest months in Costa Smeralda are August and July, during which the average daytime temperature reaches +30.8°C and the nighttime temperature falls to +18.5°C.
The coldest months are January and February, when the daily average temperature falls to +14.6°C, and drops to +5.2°C during the night.
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Sea temperature
The month with the highest average monthly temperature in the Tyrrhenian Sea on the beaches of Costa Smeralda is August with 25 degrees.
The coldest water can be found in February — 14degrees C.
Costa Smeralda climate by month
Precipitation
The largest amount of precipitation falls on average in December and February, up to 98mm, and the least in July and June — up to 6mm.