January Weather in Si Nakhon, Thailand

Last updated: August 27, 2025

In January, the average temperature in Si Nakhon, Thailand hovers around 26°C (78°F), making it a warm destination. Temperatures can vary significantly, with a minimum of 14°C (57°F) and a maximum reaching up to 37°C (99°F). Visitors should also be prepared for some rain, as the region experiences 26 mm (1.0 in) of precipitation over approximately 2 days. With an average humidity of 51%, it's a comfortable time to explore!

January Temperature in Si Nakhon

In January in Si Nakhon, the average temperature is 26°C (78°F), with maximums soaring up to 37°C (99°F) and minimums dipping as low as 14°C (57°F). Visitors can expect warm days and cooler nights, making it an ideal time for outdoor activities and exploration.

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

The chart illustrates January temperature patterns in Si Nakhon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Nakhon, January typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (57°F).

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

January Precipitation in Si Nakhon

In Si Nakhon in January, the precipitation amount is 26 mm (1.0 in) over the course of 2 days.

January Precipitation Trends in Si Nakhon

The chart displays monthly precipitation patterns in Si Nakhon, 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 Nakhon, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Si Nakhon

In Si Nakhon in January, humidity is 51%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, creating a comfortable atmosphere that's ideal for exploring the sights and enjoying outdoor activities.

January Average Humidity in Si Nakhon

This chart illustrates the average monthly humidity levels in Si Nakhon, 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 Nakhon is approximately 51%, 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 Nakhon

In Si Nakhon 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 Nakhon.

Maximum UV Index Levels in Si Nakhon for January

The chart shows the monthly maximum UV Index (UVI) for Si Nakhon 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 Nakhon typically reaches 9, which falls under the very high exposure category.

Data source: Si Nakhon 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 Nakhon Compares to Other Months

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

This table compares monthly weather conditions in Si Nakhon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	26 mm (1.0 inches)	51%	very high
February Weather	27°C (81°F)	13 mm (0.5 inches)	48%	extreme
March Weather	31°C (88°F)	7 mm (0.3 inches)	45%	extreme
April Weather	32°C (90°F)	82 mm (3.2 inches)	49%	extreme
May Weather	32°C (89°F)	171 mm (6.7 inches)	71%	extreme
June Weather	30°C (87°F)	211 mm (8.3 inches)	84%	extreme
July Weather	30°C (86°F)	226 mm (8.9 inches)	84%	extreme
August Weather	29°C (85°F)	319 mm (12.6 inches)	87%	extreme
September Weather	29°C (85°F)	239 mm (9.4 inches)	84%	extreme
October Weather	29°C (84°F)	150 mm (5.9 inches)	71%	extreme
November Weather	28°C (83°F)	24 mm (0.9 inches)	62%	very high
December Weather	25°C (78°F)	14 mm (0.6 inches)	55%	very high