January Weather in Si That, Thailand

Last updated: August 27, 2025

In January, the average temperature in Si That, Thailand is a pleasant 24°C (75°F). Expect temperatures to range from a cool 9°C (49°F) at night to a warm 35°C (95°F) during the day. With an average humidity of 59% and only 4 mm (0.2 in) of precipitation over 1 day, it's a great time to enjoy the outdoors!

January Temperature in Si That

In January in Si That, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F) and minimums can be as low as 9°C (49°F). This varied climate makes it an ideal destination for travelers looking to experience both warm sunny days and cooler evenings.

January Weather in Si That: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Si That, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si That, January typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Si That generated using information from the Copernicus Climate Change Service.

January Precipitation in Si That

In Si That in January, the precipitation amount is 4 mm (0.2 in) during 1 day.

January Precipitation Trends in Si That

The chart displays monthly precipitation patterns in Si That, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Si That, January typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Si That

In Si That in January humidity is 59%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities refreshing yet slightly sticky, perfect for leisurely strolls but reminding travelers to stay hydrated.

January Average Humidity in Si That

This chart illustrates the average monthly humidity levels in Si That, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Si That is approximately 59%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Si That

In Si That in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Si That.

Maximum UV Index Levels in Si That for January

The chart shows the monthly maximum UV Index (UVI) for Si That in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Si That typically reaches 9, which falls under the very high exposure category.

Data source: Si That January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Si That Compares to Other Months

Weather in Si That varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Si That, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Si That, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	4 mm (0.2 inches)	59%	very high
February Weather	25°C (77°F)	14 mm (0.6 inches)	54%	extreme
March Weather	28°C (83°F)	36 mm (1.4 inches)	45%	extreme
April Weather	29°C (85°F)	80 mm (3.1 inches)	40%	extreme
May Weather	29°C (85°F)	167 mm (6.6 inches)	65%	extreme
June Weather	29°C (85°F)	157 mm (6.2 inches)	82%	extreme
July Weather	29°C (84°F)	266 mm (10.5 inches)	90%	extreme
August Weather	28°C (83°F)	235 mm (9.3 inches)	92%	extreme
September Weather	28°C (83°F)	223 mm (8.8 inches)	86%	extreme
October Weather	27°C (81°F)	117 mm (4.6 inches)	80%	extreme
November Weather	26°C (79°F)	17 mm (0.7 inches)	72%	very high
December Weather	23°C (74°F)	6 mm (0.2 inches)	66%	very high