Swimming in Oia in december 2026: Average sea temperature in december and tide times in december 2026

Average sea temperature in Oia in december 2026.

In december, according to seasonal norms, the sea temperature in Oia is:

Minimum: 61°F

Average: 64°F

Maximum: 68°F

Other useful seasonal weather averages in december:

  • Outside temperature: 60°F to 62°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 9.3mph
  • It rains a total of 3in, over 5 day(s).

Should we swim in Oia in december?

Yes... and no. The water temperature in Oia in december is cool

Swimming in december on the beaches of Oia is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 68°F, it can also be as low as 61°F! Note that the average is 64°F.

Note also that in december, the climate is good with an average outside temperature of 61°F, 2.9in of precipitation (over 5 days) and 72.31 % humidity.

Water and normal seasonal temperatures in Oia in december

December
Average sea temperature 64°F
Minimum sea temperature 61°F
Maximum sea temperature 68°F
Average outside temperature 61°F
Maximum outside temperature 63°F
Minimum outside temperature 61°F
Wind speed 19.9mph
Wind temperature 59°F
Precipitation 3in
Number of days of rain 5 jour(s)
(15%)
Humidity 73%
Visibility in kilometers 9.75km
Cloud cover 38%
Our opinion cool swimming

Chart of the tides in december 2026

Tide times in december 2026 in Oia

Swim elsewhere in Santorini in december

City Average T° Max. T° Our opinion
Fira in december64°F68°Fcool swimming
Imerovigli in december64°F67°Fcool swimming
Kamari in december64°F67°Fcool swimming

Swim in Santorini in december: sea temperature by city

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