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

January in Talofofo, Guam, notes an average high-temperature of a still moderately hot 82°F (27.8°C), subtly differing from December's 83.5°F (28.6°C). Talofofo consistently logs a low temperature averaging a still warm 80.6°F (27°C) during January, a modest drop from daytime temperatures.

Heat index

In January, the heat index is evaluated at a tropical 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.

Rainfall

In Talofofo, 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

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

Sunshine

In January, the average sunshine is 7.6h.

UV index

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 7 suggests this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.