January Weather in Si Chiang Mai, Thailand

Last updated: August 27, 2025

In January, the average temperature in Si Chiang Mai, Thailand is a pleasant 24°C (75°F). Expect a minimum of 10°C (51°F) and a maximum of 35°C (95°F), providing a delightful range for various activities. With only 6 mm (0.2 in) of precipitation over just 1 day, you can enjoy mostly dry weather. Additionally, the average humidity hovers around 52%, ensuring a comfortable atmosphere.

January Temperature in Si Chiang Mai

In January in Si Chiang Mai, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 10°C (51°F). This warm climate makes Si Chiang Mai a perfect destination for outdoor activities and exploration during this time of year.

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

The chart illustrates January temperature patterns in Si Chiang Mai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Chiang Mai, 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 10°C (51°F).

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

January Precipitation in Si Chiang Mai

In Si Chiang Mai in January, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

January Precipitation Trends in Si Chiang Mai

The chart displays monthly precipitation patterns in Si Chiang Mai, 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 Chiang Mai, January typically receives around 6 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 Chiang Mai

In Si Chiang Mai in January humidity is 52%. With an average temperature of 24°C (75°F), this humidity feels like a comfortable warmth enveloping you, making it pleasant for outdoor activities and sightseeing, but you might feel the need for a light breeze or occasional shade to stay refreshed while exploring.

January Average Humidity in Si Chiang Mai

This chart illustrates the average monthly humidity levels in Si Chiang Mai, 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 Chiang Mai is approximately 52%, 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 Chiang Mai

In Si Chiang Mai 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 Chiang Mai.

Maximum UV Index Levels in Si Chiang Mai for January

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

Data source: Si Chiang Mai 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 Chiang Mai Compares to Other Months

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

This table compares monthly weather conditions in Si Chiang Mai, 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)	6 mm (0.2 inches)	52%	very high
February Weather	25°C (76°F)	17 mm (0.7 inches)	49%	extreme
March Weather	28°C (82°F)	41 mm (1.6 inches)	39%	extreme
April Weather	29°C (85°F)	70 mm (2.8 inches)	40%	extreme
May Weather	29°C (85°F)	204 mm (8.0 inches)	69%	extreme
June Weather	29°C (85°F)	309 mm (12.2 inches)	81%	extreme
July Weather	29°C (84°F)	331 mm (13.0 inches)	83%	extreme
August Weather	28°C (83°F)	402 mm (15.8 inches)	87%	extreme
September Weather	28°C (83°F)	265 mm (10.4 inches)	86%	extreme
October Weather	28°C (82°F)	129 mm (5.1 inches)	74%	extreme
November Weather	26°C (79°F)	10 mm (0.4 inches)	63%	very high
December Weather	23°C (74°F)	7 mm (0.3 inches)	57%	very high