January Weather in Juntas, Costa Rica

Last updated: August 23, 2025

In Juntas, Costa Rica, the average temperature in January hovers around 25°C (78°F), with a comfortable range between a minimum of 17°C (63°F) and a maximum of 33°C (91°F). Expect a light sprinkle of rain, with total precipitation around 9 mm (0.4 in) over 2 days. The air is moderately humid, with an average humidity level of 66%, making it a pleasant time to enjoy the outdoors.

January Temperature in Juntas

In January in Juntas, the average temperature is 25°C (78°F). Maximums can reach 33°C (91°F) and minimums can be as low as 17°C (63°F). This pleasant climate makes Juntas an ideal destination for outdoor activities and exploring local attractions.

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

The chart illustrates January temperature patterns in Juntas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juntas, January typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (63°F).

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

January Precipitation in Juntas

In Juntas in January, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in Juntas

The chart displays monthly precipitation patterns in Juntas, 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 Juntas, January typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 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 Juntas

In Juntas in January, humidity is 66%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel more draining, yet still enjoyable for short adventures.

January Average Humidity in Juntas

This chart illustrates the average monthly humidity levels in Juntas, 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 Juntas is approximately 66%, 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 Juntas

In Juntas 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 Juntas.

Maximum UV Index Levels in Juntas for January

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

Data source: Juntas 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 Juntas Compares to Other Months

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

This table compares monthly weather conditions in Juntas, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	9 mm (0.4 inches)	66%	extreme
February Weather	26°C (79°F)	2 mm (0.1 inches)	64%	extreme
March Weather	26°C (80°F)	1 mm (0.0 inches)	63%	extreme
April Weather	27°C (81°F)	60 mm (2.4 inches)	63%	extreme
May Weather	26°C (79°F)	298 mm (11.7 inches)	63%	extreme
June Weather	25°C (78°F)	314 mm (12.4 inches)	74%	extreme
July Weather	25°C (78°F)	170 mm (6.7 inches)	85%	extreme
August Weather	25°C (78°F)	278 mm (11.0 inches)	82%	extreme
September Weather	25°C (77°F)	340 mm (13.4 inches)	80%	extreme
October Weather	25°C (76°F)	495 mm (19.5 inches)	79%	extreme
November Weather	25°C (77°F)	143 mm (5.6 inches)	79%	extreme
December Weather	25°C (77°F)	27 mm (1.1 inches)	70%	very high