Saga Prefecture
Japan
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Saga Prefecture, Japan

Sea temperature

In December, the average sea temperature in Saga Prefecture, Japan, is 18.3°C (64.9°F).
Note: For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days in Saga Prefecture is December, with an average of 10h of daylight.

What is the sea temperature in December in Saga Prefecture?

In December, the average sea temperature in Saga Prefecture, Japan, is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Saga Prefecture?

December has the shortest days of the year in Saga Prefecture, Japan, with an average of 10h of daylight.

What is the average length of the day in December in Saga Prefecture?

The average length of the day in December is 10h.
Average sea temperature in December - Saga Prefecture, Japan
  • Average sea temperature in December: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (27.6°C).
The coldest month (with the lowest average sea temperature) is March (14.4°C).

Average daylight in December - Saga Prefecture, Japan
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).