January weather forecast
Koror, Palau

If visiting Koror, Palau in January, anticipate moderate temperatures balanced between highs of 28.7°C (83.7°F) and lows reaching 28°C (82.4°F). The onset of the year in Palau marks the onset of constant mild, tropical weather. Although slightly cooler than following months, it has one of the year's higher relative humidity levels which adds to the sense of warmth. Notably, January displays its capacity for sudden turbulence with the highest wind gust speeds of the year hitting 32.5km/h (20.2mph). This month sets the tone for a year filled with warm, humid, and occasionally breezy weather.

Temperature

Koror's shift into January is marked by a subtle change to a still moderately hot 28.7°C (83.7°F) from December's 28.9°C (84°F) in temperature. January nights in Koror witness a mild cool down to an average low of 28°C (82.4°F).

Heat index

During January, the heat index is computed to be a hot 34°C (93.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

January through April, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Koror, during January, the rain falls for 27.8 days and regularly aggregates up to 167mm (6.57") of precipitation. Throughout the year, there are 303.8 rainfall days, and 2074mm (81.65") of precipitation is accumulated.

Sea temperature

January through March, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Koror.
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In January, the average length of the day is 11h and 45min.
On the first day of the month, sunrise is at 06:14 and sunset at 17:56. On the last day of January, in Koror, sunrise is at 06:21 and sunset at 18:09 +09.

Sunshine

The average sunshine in January is 7.4h.

UV index

January, September and November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 6 in January translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! Sand and water reflections strengthen the Sun's UV exposure.