Sea Temperature in Alonnisos in December

Complete information on the sea temperature range in the Aegean Sea in Alonnisos in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Alonnisos. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Alonnisos in December

15°C

MINIMUN

17°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in December in Alonnisos

Water Temperature Chart for Aegean Sea in Alonnisos in December

Sea Temperature Table in Alonnisos in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	18°C	18°C	17°C	17.5°C
Dec 2	18°C	19°C	17°C	17.8°C
Dec 3	18°C	18°C	17°C	17.5°C
Dec 4	18°C	18°C	17°C	17.5°C
Dec 5	17°C	18°C	17°C	17.3°C
Dec 6	18°C	18°C	17°C	17.5°C
Dec 7	17°C	18°C	17°C	17.3°C
Dec 8	17°C	17°C	18°C	17.0°C
Dec 9	17°C	17°C	18°C	17.0°C
Dec 10	17°C	17°C	17°C	16.8°C
Dec 11	17°C	17°C	17°C	16.8°C
Dec 12	17°C	17°C	17°C	17.0°C
Dec 13	17°C	17°C	17°C	17.0°C
Dec 14	17°C	17°C	16°C	16.8°C
Dec 15	17°C	17°C	16°C	16.5°C
Dec 16	17°C	16°C	16°C	16.3°C
Dec 17	16°C	17°C	16°C	16.3°C
Dec 18	16°C	17°C	17°C	16.5°C
Dec 19	17°C	17°C	16°C	16.3°C
Dec 20	16°C	17°C	17°C	16.5°C
Dec 21	16°C	17°C	16°C	16.3°C
Dec 22	16°C	17°C	17°C	16.3°C
Dec 23	16°C	17°C	17°C	16.3°C
Dec 24	16°C	17°C	16°C	16.0°C
Dec 25	16°C	17°C	16°C	16.0°C
Dec 26	16°C	17°C	16°C	16.0°C
Dec 27	16°C	16°C	16°C	16.0°C
Dec 28	16°C	17°C	16°C	16.0°C
Dec 29	16°C	16°C	16°C	15.8°C
Dec 30	16°C	17°C	16°C	16.0°C

Alonnisos Climate and Swimming Opportunities in December

12°C

Average Day Air Temperature

8°C

Average Night Air Temperature

73 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

13 km/h

Average Wind Speed

78%

Average
humidity

Alonnisos lies within the Thessaly in Greece. The average daytime temperature in Alonnisos in December is 12°C (54°F), while the nighttime average is 8°C (46°F). There are typically 10 rainy days during the month, with a total precipitation of 73 mm (2.9 inches). The daylight duration in December in Alonnisos is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 13 km/h (8 mph), and the humidity level is around 78%.

The water temperature in Alonnisos in December ranges from 15°C to 17°C (59°F to 63°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 17°C (63°F) by mid-December and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Alonnisos for December is 17°C (63°F).

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Alonnisos

What is the sea temperature in Alonnisos in December?

The water temperature in the Aegean Sea in Alonnisos in December ranges from 15°C to 17°C (59°F to 63°F).

Is it possible to swim in the Ionian Sea in Akrotiri in December?

The average sea temperature in Akrotiri in December is 18°C (64°F), and the air temperature is 16°C (60°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.