May Weather in Siuna, Nicaragua

Last updated: August 31, 2025

In Siuna, Nicaragua, the average temperature in May is a warm 26°C (80°F). You'll experience a minimum of 20°C (68°F) and can expect highs reaching up to 35°C (96°F). With an average precipitation of 259 mm (10.2 in) spread over 25 days, it's advisable to prepare for some rain. The average humidity during this month is around 68%, contributing to the tropical feel of the environment.

May Temperature in Siuna

In May in Siuna, the average temperature is 26°C (80°F). Maximums can reach 35°C (96°F), while minimums can drop to as low as 20°C (68°F). It's a great time to visit for those who enjoy warm weather and outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (96°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.

May Precipitation in Siuna

In Siuna in May, the precipitation amount is 259 mm (10.2 in) occurring over 25 days.

May Precipitation Trends in Siuna

The chart displays monthly precipitation patterns in Siuna, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Siuna, May typically receives around 259 mm (10.2 inches) of precipitation spread over approximately 25 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Siuna

In Siuna in May, humidity is 68%. With an average temperature of 26°C (80°F), this humidity feels like quite a muggy embrace, making outdoor activities feel more strenuous and the air thicker, which can be a bit uncomfortable for traveling.

May Average Humidity in Siuna

This chart illustrates the average monthly humidity levels in Siuna, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Siuna is approximately 68%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Siuna

In Siuna in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Siuna, you can check here.

Maximum UV Index Levels in Siuna for May

The chart shows the monthly maximum UV Index (UVI) for Siuna in May, 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 May, the maximum UV index in Siuna typically reaches 14, which falls under the extreme exposure category.

Data source: Siuna May 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 May 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 May’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 May’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