January Weather in Siuna, Nicaragua

Last updated: August 31, 2025

In January, the average temperature in Siuna, Nicaragua hovers around 24°C (75°F), offering a delightful climate. Expect minimums of 15°C (59°F) and maximums reaching up to 30°C (86°F). While you enjoy the pleasant weather, be prepared for some rain, with an average precipitation of 49 mm (1.9 in) spread over 15 days. Additionally, the average humidity sits at a comfortable 68%, making it an ideal time to explore the beauty of the region.

January Temperature in Siuna

In January in Siuna, the average temperature is 24°C (75°F). Maximum can reach 30°C (86°F), and the minimum can be as low as 15°C (59°F). This makes it an ideal time for travelers to enjoy comfortable outdoor activities and explore the local attractions.

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

The chart illustrates January temperature patterns in Siuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siuna, January typically has an average temperature of 24°C (75°F), with highs reaching up to 30°C (86°F) and lows dropping to around 15°C (59°F).

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

January Precipitation in Siuna

In Siuna in January, the precipitation amount is 49 mm (1.9 in) over the course of 15 days.

January Precipitation Trends in Siuna

The chart displays monthly precipitation patterns in Siuna, 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 Siuna, January typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 15 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 Siuna

In Siuna in January, humidity is 68%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping embrace that can leave travelers feeling sticky and slightly fatigued, making it essential to stay hydrated and take breaks in shaded areas.

January Average Humidity in Siuna

This chart illustrates the average monthly humidity levels in Siuna, 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 Siuna is approximately 68%, 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 Siuna

In Siuna 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 Siuna.

Maximum UV Index Levels in Siuna for January

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

Data source: Siuna 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 Siuna Compares to Other Months

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

This table compares monthly weather conditions in Siuna, 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)	49 mm (1.9 inches)	68%	very high
February Weather	24°C (76°F)	50 mm (2.0 inches)	68%	extreme
March Weather	25°C (77°F)	61 mm (2.4 inches)	67%	extreme
April Weather	26°C (80°F)	57 mm (2.2 inches)	67%	extreme
May Weather	26°C (80°F)	259 mm (10.2 inches)	68%	extreme
June Weather	26°C (79°F)	240 mm (9.4 inches)	73%	extreme
July Weather	26°C (78°F)	189 mm (7.4 inches)	76%	extreme
August Weather	25°C (78°F)	187 mm (7.3 inches)	73%	extreme
September Weather	26°C (79°F)	183 mm (7.2 inches)	72%	extreme
October Weather	25°C (78°F)	244 mm (9.6 inches)	71%	extreme
November Weather	25°C (77°F)	177 mm (7.0 inches)	71%	very high
December Weather	24°C (75°F)	67 mm (2.7 inches)	69%	very high