Principina a Mare — Sea temperature now
Long pine-park Maremma beach.
Warm water with a light chop and a light breeze — great swimming conditions.
Location
Principina a Mare on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Monthly sea temperature averages
Typical year-round water temperature, based on regional climatology.
Best time to swim in Principina a Mare
The sea in Principina a Mare peaks in August, when the water averages around 26°C.
The main swimming season runs from June – October, when surface temperatures stay comfortable for extended sessions.
On average, 5 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 13°C, when cold-water swimmers dominate the coast.
Principina a Mare sea temperature history
Long-term climatology for Principina a Mare shows an annual mean sea temperature of 19°C, ranging from 13°C in winter to 26°C at the summer peak.
The seasonal swing is roughly 13°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Principina a Mare, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Principina a Mare sea temperature: frequently asked questions
What is the warmest month to swim in Principina a Mare?
August is the warmest month in Principina a Mare, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Principina a Mare?
The coldest month in Principina a Mare is typically February, when the water averages around 13°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Principina a Mare without a wetsuit?
The main swimming season in Principina a Mare runs from June – October — about 5 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Principina a Mare?
Outside peak summer the water in Principina a Mare drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Principina a Mare?
The long-term annual mean sea temperature in Principina a Mare is about 19°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Principina a Mare?
The live reading at the top of this page shows the current sea temperature in Principina a Mare, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jun – Jul – Aug – Sep – Oct
| Month | Sea | Comfort |
|---|---|---|
| Jan | 14°C | Bracing |
| Feb | 13°C | Cold |
| Mar | 14°C | Bracing |
| Apr | 16°C | Bracing |
| May | 19°C | Pleasant |
| Jun | 23°C | Warm |
| Jul | 25°C | Warm |
| Aug ⭐ | 26°C | Hot |
| Sep | 24°C | Warm |
| Oct | 21°C | Pleasant |
| Nov | 18°C | Pleasant |
| Dec | 15°C | Bracing |