January Weather in Ratchasan, Thailand

Last updated: August 27, 2025

In January, the average temperature in Ratchasan, Thailand is a warm 27°C (81°F), with minimums dipping to 15°C (60°F) and maximums soaring up to 36°C (97°F). Expect some light rain, with a total precipitation of 17 mm (0.7 in) spread over 3 days. The air feels comfortably humid, with an average humidity level of 59%.

January Temperature in Ratchasan

In January in Ratchasan, the average temperature is 27°C (81°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 15°C (60°F). This variation in temperature makes Ratchasan a great destination for travelers seeking warm weather with comfortable evenings.

January Weather in Ratchasan: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ratchasan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ratchasan, January typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (60°F).

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

January Precipitation in Ratchasan

In Ratchasan in January, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

January Precipitation Trends in Ratchasan

The chart displays monthly precipitation patterns in Ratchasan, 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 Ratchasan, January typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 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 Ratchasan

In Ratchasan in January humidity is 59%. With an average temperature of 27°C (81°F), this humidity feels like a warm, tropical embrace, making it perfect for leisurely strolls but a bit sticky for extended outdoor activities.

January Average Humidity in Ratchasan

This chart illustrates the average monthly humidity levels in Ratchasan, 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 Ratchasan 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 Ratchasan

In Ratchasan in January, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Ratchasan.

Maximum UV Index Levels in Ratchasan for January

The chart shows the monthly maximum UV Index (UVI) for Ratchasan 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 Ratchasan typically reaches 10, which falls under the very high exposure category.

Data source: Ratchasan 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 Ratchasan Compares to Other Months

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

This table compares monthly weather conditions in Ratchasan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	17 mm (0.7 inches)	59%	very high
February Weather	28°C (82°F)	20 mm (0.8 inches)	58%	extreme
March Weather	29°C (85°F)	56 mm (2.2 inches)	61%	extreme
April Weather	30°C (86°F)	111 mm (4.4 inches)	70%	extreme
May Weather	30°C (86°F)	197 mm (7.8 inches)	80%	extreme
June Weather	29°C (85°F)	172 mm (6.8 inches)	85%	extreme
July Weather	29°C (84°F)	220 mm (8.7 inches)	86%	extreme
August Weather	29°C (84°F)	222 mm (8.7 inches)	88%	extreme
September Weather	28°C (83°F)	296 mm (11.6 inches)	87%	extreme
October Weather	28°C (83°F)	225 mm (8.9 inches)	83%	extreme
November Weather	28°C (83°F)	38 mm (1.5 inches)	78%	extreme
December Weather	27°C (81°F)	19 mm (0.8 inches)	70%	very high