The 50 km Amalfi coastline between Sorrento and Salerno has some of Italy's warmest summer sea — 26°C in August, and still 23°C in October. Most beaches are small pebble coves reached by boat or steep staircases; the water deepens fast, ideal for confident swimmers but less so for toddlers.
Amalfi Coast
Cliff-clinging Italian villages with deep, clear Tyrrhenian water.
Sea
Tyrrhenian Sea
Avg sea temp now
24.1°C
Best months
June – early October
Best time to swim in Amalfi Coast
The sea in Amalfi Coast 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.
Amalfi Coast sea temperature history
Long-term climatology for Amalfi Coast 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 Amalfi Coast, 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.
Jan
14°C
Feb
13°C
Mar
14°C
Apr
16°C
May
19°C
Jun
23°C
Jul
25°C
Aug
26°C
Sep
24°C
Oct
21°C
Nov
18°C
Dec
15°C
Values are area averages; individual beaches vary by exposure and depth.
Amalfi Coast sea temperature: frequently asked questions
What is the warmest month to swim in Amalfi Coast?
August is the warmest month in Amalfi Coast, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Amalfi Coast?
The coldest month in Amalfi Coast is typically February, when the water averages around 13°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Amalfi Coast without a wetsuit?
The main swimming season in Amalfi Coast 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 Amalfi Coast?
Outside peak summer the water in Amalfi Coast 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 Amalfi Coast?
The long-term annual mean sea temperature in Amalfi Coast is about 19°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Amalfi Coast?
The live reading at the top of this page shows the current sea temperature in Amalfi Coast, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Beaches in the Amalfi Coast
Ranked by current live sea temperature.
- 1FornilloPositano, Italy24.5°C
- 2Bagno della Regina GiovannaSorrento, Italy24.5°C
- 3AtraniAtrani, Italy24.5°C
- 4Marina GrandePositano, Italy24.3°C
- 5CetaraCetara, Italy24.3°C
- 6Vietri sul MareVietri sul Mare, Italy24.2°C
- 7Sorrento Marina GrandeSorrento, Italy24.2°C
- 8Santa Croce AmalfiAmalfi, Italy24.1°C
- 9Maiori MarinaMaiori, Italy24.1°C
- 10Spiaggia di Sant'AngeloIschia, Italy24.0°C
- 11LauritoPositano, Italy23.9°C
- 12Marina PiccolaCapri, Italy23.8°C
- 13Minori MarinaMinori, Italy23.8°C
- 14Marina di PraiaPraiano, Italy23.7°C
- 15ArienzoPositano, Italy23.7°C
- 16DuoglioAmalfi, Italy23.5°C
Swimming in the Amalfi Coast — FAQ
How warm is the sea in the Amalfi Coast in September?
The Tyrrhenian Sea off the Amalfi Coast averages about 24.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in the Amalfi Coast?
The Amalfi Coast is warmest in August (around 26.0°C) and coldest in February (around 13.0°C). There are typically 4 months a year when the water sits above 22°C.
What is the average yearly sea temperature in the Amalfi Coast?
Across all twelve months, the sea in the Amalfi Coast averages about 19.0°C.
Do you need a wetsuit to swim in the Amalfi Coast?
In peak season (around August, ~26.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 13.0°C, a 3/2mm to 5/4mm wetsuit is recommended.