The highest day temperature in January 2025 was 89°F. The lowest night temperature was 68°F. The average values for day and night temperatures during January were 86.0°F и 75.5°F respectivly.

The average sea surface temperature in January 2025 for Koh Lan was 83.1°F. The maximum and minimum values were 81.4°F and 84.4°F respectively.

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

Precipitation total in January for Koh Lan is 1.0 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 8.1 mph. It makes January one of the most windless months of the year for Koh Lan.

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 Koh Lan in January is 9.0 hours.