October Weather in Siuna, Nicaragua

Last updated: August 31, 2025

In October, the average temperature in Siuna, Nicaragua hovers around 25°C (78°F). However, you can expect temperatures to range from a comfortable 20°C (68°F) to a warm 33°C (91°F). During this time, precipitation is notable, with an impressive 244 mm (9.6 in) spread across 28 days. With an average humidity of 71%, it’s a season that blends warmth with a touch of moisture, perfect for those who enjoy a humid climate!

October Temperature in Siuna

In October in Siuna, the average temperature is 25°C (78°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 20°C (68°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates October 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, October typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (68°F).

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

October Precipitation in Siuna

In Siuna in October, the precipitation amount is 244 mm (9.6 in) distributed over 28 days.

October Precipitation Trends in Siuna

The chart displays monthly precipitation patterns in Siuna, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Siuna, October typically receives around 244 mm (9.6 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Siuna

In Siuna in October humidity is 71%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities delightful yet slightly weighty, perfect for leisurely strolls but calling for plenty of hydration.

October Average Humidity in Siuna

This chart illustrates the average monthly humidity levels in Siuna, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Siuna is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Siuna

In Siuna in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Siuna.

Maximum UV Index Levels in Siuna for October

The chart shows the monthly maximum UV Index (UVI) for Siuna in October, 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 October, the maximum UV index in Siuna typically reaches 13, which falls under the extreme exposure category.

Data source: Siuna October 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 October 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 October’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 October’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