January weather forecast
Talofofo, GU

January in Talofofo, Guam, USA brings in the new year with relatively moderate conditions, with weather largely unchanged from the previous month. The wind speeds are the highest of the year, rising slightly to 15.8mph (25.4km/h), marking the start of a noticeable trend of decreasing wind speed for the next several months. The UV and visibility remain consistent, providing a good amount of sunlight for early year activities. Notably, January showcases steady temperature profiles and favorable conditions for various outdoor activities. The transition from winter to early spring is marked by subtle changes, offering locals a uniform, consistent start to the year.

Temperature

Talofofo starts January with an average high-temperature of a still warm 82°F (27.8°C), hinting at a minimal fluctuation from December. The nighttime temperature in January experiences a minor dip, averaging a still warm 80.6°F (27°C).

Heat index

During January, the heat index is calculated to be a hot 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

January, March through May, October through December, with an average relative humidity of 78%, are the most humid months in Talofofo.

Rainfall

In Talofofo, Guam, in January, during 21.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Talofofo, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Daylight

The average length of the day in January is 11h and 26min.
On the first day of the month, sunrise is at 6:43 am and sunset at 6:04 pm. On the last day of January, sunrise is at 6:47 am and sunset at 6:20 pm ChST.

Sunshine

In January, the average sunshine is 7.6h.

UV index

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in January transforms into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.