The highest day temperature in January 2025 was 90°F. The lowest night temperature was 76°F. The average values for day and night temperatures during January were 88.7°F и 78.7°F respectivly.

The average sea surface temperature in January 2025 for Watamu was 85.1°F. The maximum and minimum values were 83.4°F and 86.6°F respectively.

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

Precipitation total in January for Watamu is 1.2 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 11.0 mph.

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 Watamu in January is 7.9 hours.