Nakhon Ratchasima
Thailand
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Nakhon Ratchasima, Thailand

January is a hot winter month in Nakhon Ratchasima, Thailand, with average temperature ranging between min 18.5°C (65.3°F) and max 30.7°C (87.3°F).

Temperature

In Nakhon Ratchasima, Thailand, the average high-temperature is practically the same as in December - a hot 30.7°C (87.3°F). In January, in Nakhon Ratchasima, the average low-temperature is 18.5°C (65.3°F).

Heat index

The average heat index is appraised at a very hot 35.2°C (95.4°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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, pregnancy, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. 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 January, the average relative humidity in Nakhon Ratchasima, Thailand, is 64%.

Rainfall

In Nakhon Ratchasima, in January, during 1 rainfall days, 8.2mm (0.3") of precipitation is typically accumulated. Throughout the year, in Nakhon Ratchasima, Thailand, there are 111 rainfall days, and 1071.5mm (42.2") of precipitation is accumulated.

Daylight

The average length of the day in Nakhon Ratchasima is 11.4h.

Sunshine

January has the most sunshine of the year, with an average of 9.2h of sunshine.

UV index

In Nakhon Ratchasima, the average daily maximum UV index in January is 10. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 10 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in January in Nakhon Ratchasima?

In January, in Nakhon Ratchasima, the average high-temperature is 30.7°C (87.3°F), and the average low-temperature is 18.5°C (65.3°F). In January, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, is appraised at 35.2°C (95.4°F).

What is the average humidity in January in Nakhon Ratchasima?

The average relative humidity in January in Nakhon Ratchasima, Thailand, is 64%.

How many days does it rain in January in Nakhon Ratchasima?

In Nakhon Ratchasima, Thailand, during January, the rain falls for 1 days and regularly aggregates up to 8.2mm (0.3") of precipitation.

What is the average length of the day in January in Nakhon Ratchasima?

In January, the average length of the day in Nakhon Ratchasima, Thailand, is 11.4h.

What month has the most sunshine in Nakhon Ratchasima?

The month with the most sunshine is January, with an average of 9.2h of sunshine.

How many hours of sunshine does Nakhon Ratchasima have in January?

In Nakhon Ratchasima, Thailand, the average sunshine in January is 9.2h.

What is the UV index reading in January in Nakhon Ratchasima?

The average daily maximum UV index in January in Nakhon Ratchasima is 10. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Nakhon Ratchasima, Thailand
  • Average high temperature in January: 30.7°C

The warmest month (with the highest average high temperature) is April (36.5°C).
The month with the lowest average high temperature is December (29.3°C).

  • Average low temperature in January: 18.5°C

The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is December (18.3°C).

Average humidity in January - Nakhon Ratchasima, Thailand
  • Average humidity in January: 64%

The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (61%).

Average rainfall in January - Nakhon Ratchasima, Thailand
  • Average rainfall in January: 8.2mm

The wettest month (with the highest rainfall) is September (228.3mm).
The driest month (with the lowest rainfall) is December (2.7mm).

Average rainfall days in January - Nakhon Ratchasima, Thailand
  • Average rainfall days in January: 1 days

The month with the highest number of rainy days is September (19 days).
Months with the lowest number of rainy days are January and December (1 days).

Average daylight in January / Average sunshine in January - Nakhon Ratchasima, Thailand
  • Average daylight in January: 11.4h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in January: 9.2h

The month with most sunshine is January (Average sunshine: 9.2h).
The month with least sunshine is September (Average sunshine: 5.6h).

Average UV index in January - Nakhon Ratchasima, Thailand
  • Average UV index in January: 10

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