The highest day temperature in December 2025 was 74°F. The lowest night temperature was 58°F. The average values for day and night temperatures during December were 68.6°F и 62.9°F respectivly.

The average sea surface temperature in December 2025 for Idku was 70.1°F. The maximum and minimum values were 67.6°F and 74.0°F respectively.

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation total in December for Idku is 0.3 in. This value is relatively stable throughout the year.

The average wind speed in December is 8.4 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Idku in December is 6.5 hours.