Cha-am
Thailand
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Cha-am, Thailand

January, like December, in Cha-am, Thailand, is a moderately hot winter month, with average temperature ranging between min 20°C (68°F) and max 29°C (84.2°F).
An excellent water temperature of 28°C (82.4°F) and only 2 rainfall days, with 12mm (0.5") of accumulated rainfall, makes January a prime for swimming and other water activities.

Temperature

January and December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Cha-am.

Rainfall

The month with the least rainfall is January when the rain falls for 2 days and typically collects 12mm (0.5") of precipitation.

Sea temperature

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
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 is 11.5h.

Sunshine

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

UV index

In Cha-am, the average daily maximum UV index is 10. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 10 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the coldest month in Cha-am?

January and December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Cha-am, Thailand.

What is the temperature in January in Cha-am?

In January, in Cha-am, Thailand, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 20°C (68°F).

How many days does it rain in January in Cha-am?

In Cha-am, in January, it is raining for 2 days, with typically 12mm (0.5") of accumulated precipitation.

What is the driest month in Cha-am?

January is the month with the least rainfall. Rain falls for 2 days and accumulates 12mm (0.5") of precipitation.

What months are the sea coldest in Cha-am?

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Cha-am, Thailand.

How warm is the water in January in Cha-am?

In January, the average sea temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in January in Cha-am?

In January, the average length of the day in Cha-am is 11.5h.

What is the month with the most sunshine in Cha-am?

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

How many hours of sunshine does Cha-am have in January?

The average sunshine in January in Cha-am is 9h.

What is the UV index intensity in January in Cha-am?

In January, the average daily maximum UV index in Cha-am is 10. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in January - Cha-am, Thailand
  • Average high temperature in January: 29°C

Warmest months (with the highest average high temperature) are April, May and June (33°C).
Months with the lowest average high temperature are January and December (29°C).

  • Average low temperature in January: 20°C

Months with the highest average low temperature are April, May, June and August (25°C).
The coldest month (with the lowest average low temperature) is January (20°C).

Average rainfall in January - Cha-am, Thailand
  • Average rainfall in January: 12mm

The wettest month (with the highest rainfall) is October (223mm).
The driest month (with the lowest rainfall) is January (12mm).

Average rainfall days in January - Cha-am, Thailand
  • Average rainfall days in January: 2 days

Months with the highest number of rainy days are August and September (18 days).
Months with the lowest number of rainy days are January and December (2 days).

Average sea temperature in January - Cha-am, Thailand
  • Average sea temperature in January: 28°C

Best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (28°C).

Average daylight in January / Average sunshine in January - Cha-am, Thailand
  • Average daylight in January: 11.5h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in January: 9h

Months with most sunshine are January, February, March and December (Average sunshine: 9h).
Months with least sunshine are June, July, August and September (Average sunshine: 5).

Average UV index in January - Cha-am, Thailand
  • Average UV index in January: 10

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).