January Weather in Barillas, Guatemala

Last updated: August 23, 2025

In January, the average temperature in Barillas, Guatemala hovers around 16°C (60°F), making it a pleasant time to visit. Expect temperatures to dip as low as 5°C (42°F) at night and rise to a comfortable 25°C (78°F) during the day. However, be prepared for some rain, as 101 mm (4.0 in) of precipitation can be expected over 13 days. With an average humidity of 76%, it’s advisable to dress in layers to stay comfortable throughout the day!

January Temperature in Barillas

In January in Barillas, the average temperature is 16°C (60°F), with maximums reaching 25°C (78°F) and minimums dropping as low as 5°C (42°F). It's a perfect time to enjoy outdoor activities while packing layers for the cooler evenings.

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

The chart illustrates January temperature patterns in Barillas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barillas, January typically has an average temperature of 16°C (60°F), with highs reaching up to 25°C (78°F) and lows dropping to around 5°C (42°F).

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

January Precipitation in Barillas

In Barillas in January, the precipitation amount is 101 mm (4.0 in) over the course of 13 days.

January Precipitation Trends in Barillas

The chart displays monthly precipitation patterns in Barillas, 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 Barillas, January typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 13 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 Barillas

In Barillas in January humidity is 76%. With an average temperature of 16°C (60°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling, as the air can feel heavy and oppressive, potentially leading to fatigue and a constant need for hydration.

January Average Humidity in Barillas

This chart illustrates the average monthly humidity levels in Barillas, 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 Barillas is approximately 76%, 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 Barillas

In Barillas in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Barillas.

Maximum UV Index Levels in Barillas for January

The chart shows the monthly maximum UV Index (UVI) for Barillas 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 Barillas typically reaches 11, which falls under the extreme exposure category.

Data source: Barillas 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 Barillas Compares to Other Months

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

This table compares monthly weather conditions in Barillas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (60°F)	101 mm (4.0 inches)	76%	extreme
February Weather	17°C (62°F)	57 mm (2.3 inches)	68%	extreme
March Weather	17°C (63°F)	44 mm (1.7 inches)	59%	extreme
April Weather	19°C (67°F)	98 mm (3.9 inches)	57%	extreme
May Weather	20°C (69°F)	228 mm (9.0 inches)	65%	extreme
June Weather	20°C (68°F)	579 mm (22.8 inches)	66%	extreme
July Weather	19°C (67°F)	127 mm (5.0 inches)	75%	extreme
August Weather	19°C (67°F)	222 mm (8.7 inches)	82%	extreme
September Weather	19°C (67°F)	278 mm (10.9 inches)	82%	extreme
October Weather	19°C (67°F)	300 mm (11.8 inches)	83%	extreme
November Weather	17°C (63°F)	168 mm (6.6 inches)	80%	extreme
December Weather	16°C (61°F)	89 mm (3.5 inches)	76%	very high