January Weather in Nan, Thailand

Last updated: August 27, 2025

The average temperature in Nan, Thailand during January is a pleasant 23°C (74°F). Temperatures can range from a minimum of 11°C (52°F) to a sizzling maximum of 36°C (97°F). Expect 25 mm (1.0 in) of precipitation over approximately 3 days, with an average humidity of 57%. Perfect for those who enjoy mild conditions!

January Temperature in Nan

In January in Nan, the average temperature is 23°C (74°F). Maximums can reach 36°C (97°F) and minimums can be as low as 11°C (52°F). This makes it a great time for travelers seeking pleasant weather and a mix of warm and cooler days.

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

The chart illustrates January temperature patterns in Nan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nan, January typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (52°F).

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

January Precipitation in Nan

In Nan in January, the precipitation amount is 25 mm (1.0 in) over the course of 3 days.

January Precipitation Trends in Nan

The chart displays monthly precipitation patterns in Nan, 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 Nan, January typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 3 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 Nan

In Nan in January humidity is 57%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, creating a comfortable environment for exploring the local sights and enjoying outdoor activities.

January Average Humidity in Nan

This chart illustrates the average monthly humidity levels in Nan, 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 Nan is approximately 57%, 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 Nan

In Nan 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 Nan.

Maximum UV Index Levels in Nan for January

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

Data source: Nan 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 Nan Compares to Other Months

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

This table compares monthly weather conditions in Nan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	25 mm (1.0 inches)	57%	very high
February Weather	24°C (76°F)	11 mm (0.4 inches)	53%	extreme
March Weather	28°C (82°F)	10 mm (0.4 inches)	45%	extreme
April Weather	29°C (84°F)	90 mm (3.5 inches)	39%	extreme
May Weather	29°C (85°F)	123 mm (4.9 inches)	66%	extreme
June Weather	28°C (83°F)	201 mm (7.9 inches)	79%	extreme
July Weather	28°C (82°F)	265 mm (10.4 inches)	90%	extreme
August Weather	27°C (81°F)	312 mm (12.3 inches)	92%	extreme
September Weather	27°C (82°F)	185 mm (7.3 inches)	85%	extreme
October Weather	27°C (81°F)	91 mm (3.6 inches)	72%	extreme
November Weather	26°C (79°F)	14 mm (0.5 inches)	64%	very high
December Weather	23°C (73°F)	15 mm (0.6 inches)	60%	very high