January weather forecast
Natural Heritage Area Trang, Vietnam

January, like December, in Natural Heritage Area Trang, Vietnam, is a moderately hot winter month, with an average temperature varying between 27.8°C (82°F) and 20.6°C (69.1°F).

Temperature

The coldest period falls in January and December, when the average high-temperature reaches 27.8°C (82°F).

Heat index

January's heat index is computed to be a hot 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In Natural Heritage Area Trang, the average relative humidity in January is 78%.

Rainfall

In Natural Heritage Area Trang, in January, it is raining for 4.6 days, with typically 46mm (1.81") of accumulated precipitation. In Natural Heritage Area Trang, during the entire year, the rain falls for 86.4 days and collects up to 1361mm (53.58") of precipitation.

Sea temperature

The month with the coldest seawater is January, with an average sea temperature of 24.9°C (76.8°F).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 24.9°C (76.8°F) waters. (Olympic swimmers participate in waters ranging from 25°C (77°F) to 28°C (82.4°F).)

Daylight

In January, the average length of the day is 11h and 30min.
On the first day of the month, sunrise is at 06:03 and sunset at 17:29. On the last day of January, in Natural Heritage Area Trang, sunrise is at 06:08 and sunset at 17:44 +07.

Sunshine

The average sunshine in January in Natural Heritage Area Trang is 6.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 10. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 10 during January leads to these instructions:
Take important precautions because unprotected skin can burn and be harmed swiftly. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Caution! The Sun's UV intensity grows with reflections off sand and water.