January weather forecast
Hua Hin, Thailand

January, the same as December, is a moderately hot winter month in Hua Hin, Thailand, with an average temperature varying between 22.2°C (72°F) and 29.9°C (85.8°F).
An excellent water temperature of 28°C (82.4°F) and only 2 rainfall days, with 12mm (0.47") of accumulated rainfall, makes January a prime for swimming and other water activities.

Temperature

In Hua Hin, the average high-temperature in January is essentially the same as in December - a still warm 29.9°C (85.8°F). In Hua Hin, the average low-temperature is 22.2°C (72°F).

Heat index

In January, the average heat index is computed to be a torrid 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Hua Hin, the average relative humidity in January is 71%.

Rainfall

In January, in Hua Hin, the rain falls for 2 days. Throughout January, 12mm (0.47") of precipitation is accumulated. Throughout the year, there are 118 rainfall days, and 955mm (37.6") of precipitation is accumulated.

Sea temperature

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Hua Hin.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In January, the average length of the day in Hua Hin is 11h and 29min.
On the first day of the month, sunrise is at 06:41 and sunset at 18:05. On the last day of January, in Hua Hin, sunrise is at 06:45 and sunset at 18:21 +07.

Sunshine

January through March and December, with an average of 9h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in January is 10. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 10 in January transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.