Italy
Sardinia in May: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Sardinia in May is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 20 °C, and the sea is about 18 °C. With about 6 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
74/100 · #6
Warmth
#6
Dryness
#4
Sun
#4
Sea warmth
#7
Published best categories: City break, Active
Sardinia · MayPhoto: Tommie Hansen from Stockholm, Sweden · CC BY 2.0Climate facts
- Average high
- 20 °C
- Average low
- 16 °C
- Sea
- 18 °C
- Rainy days (est.)
- 6 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 78 %
For your trip planning
May: warmer and drier than April, cooler than June
May on Sardinia is warmer than April, with an average daily high of 20 °C against 17 °C, and precipitation falls from 47 mm to 34 mm. June is warmer again and receives half as much rain as May. May is among our best months for a city trip; bring a light jacket for evenings, since average lows stay at 16 °C.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 17 | 13 | 8 | 47 | 6.6 | 79 | 4.5 | 15 | 58 |
| May (selected) | 20 | 16 | 6 | 34 | 8.0 | 78 | 3.9 | 18 | 74 |
| June | 24 | 20 | 2 | 17 | 9.1 | 75 | 3.6 | 21 | 90 |
How do the previous and next months compare?
Baseline: May (74/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | -16 | -3.2 °C | -3 °C | +2.1 | +12.5 mm | -1.4 h | +0.9 % | +0.6 m/s | -2.4 °C |
| June | +16 | +4.1 °C | +3.8 °C | -3.2 | -17.7 mm | +1.1 h | -3.4 % | -0.3 m/s | +3.5 °C |
All twelve months in context
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Where to stay in Sardinia
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Frequently asked questions
How warm is Sardinia in May?
The average daily high is around 20 °C, with an average daily low of about 16 °C.
Can you swim in Sardinia in May?
The sea is about 18 °C (cold).
Does it rain a lot in Sardinia in May?
The curated estimate is about 6 rainy days per month, not a directly measured long-term average. Total precipitation averages around 34 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Sardinia?
By the climate score, June, July, August and September are the strongest months for Sardinia. For a beach trip: June, July, August and September. May is not among them.