January Weather in La Union, Guatemala

Last updated: August 23, 2025

In January, the average temperature in La Union, Guatemala hovers around 20°C (69°F), making it a pleasant time to explore. The temperature can dip to a refreshing 12°C (53°F) at its lowest and rise to a warm 31°C (89°F) at its peak. Expect an average of 86 mm (3.4 in) of precipitation spread across 16 days, coupled with a high humidity level of 80%. Perfect for those who enjoy a tropical feel!

January Temperature in La Union

In January in La Union, the average temperature is 20°C (69°F). Maximums can reach 31°C (89°F), while minimums can dip as low as 12°C (53°F). It's a great time to explore the outdoors, so pack accordingly for both warm days and cooler evenings!

January Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, January typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 12°C (53°F).

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

January Precipitation in La Union

In La Union in January, the precipitation amount is 86 mm (3.4 in) over a period of 16 days.

January Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, January typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 16 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 La Union

In La Union in January, humidity is 80%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making every step slightly more challenging as you navigate the air that clings to your skin, often leaving you longing for a cool breeze while exploring the sights.

January Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately 80%, 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 La Union

In La Union 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 La Union.

Maximum UV Index Levels in La Union for January

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

Data source: La Union 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 La Union Compares to Other Months

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

This table compares monthly weather conditions in La Union, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	86 mm (3.4 inches)	80%	very high
February Weather	22°C (71°F)	75 mm (3.0 inches)	72%	extreme
March Weather	22°C (73°F)	78 mm (3.1 inches)	61%	extreme
April Weather	25°C (77°F)	56 mm (2.2 inches)	53%	extreme
May Weather	25°C (78°F)	213 mm (8.4 inches)	51%	extreme
June Weather	25°C (77°F)	323 mm (12.7 inches)	52%	extreme
July Weather	24°C (75°F)	241 mm (9.5 inches)	58%	extreme
August Weather	24°C (76°F)	266 mm (10.5 inches)	63%	extreme
September Weather	24°C (76°F)	275 mm (10.8 inches)	71%	extreme
October Weather	24°C (75°F)	286 mm (11.3 inches)	79%	extreme
November Weather	22°C (71°F)	180 mm (7.1 inches)	79%	very high
December Weather	21°C (70°F)	98 mm (3.8 inches)	74%	very high