May Weather in Sien, Burkina Faso

Last updated: August 22, 2025

In May, the average temperature in Sien, Burkina Faso hovers around 33°C (92°F), offering a warm climate perfect for outdoor activities. Prepare for varying conditions as temperatures can dip to a minimum of 22°C (73°F) and soar to an impressive 44°C (112°F). Expect 22 mm (0.9 in) of precipitation spread over 6 days, contributing to an average humidity level of 51%, creating a balmy and inviting atmosphere.

May Temperature in Sien

In May in Sien, the average temperature is 33°C (92°F), with maximums reaching up to 44°C (112°F) and minimums dropping as low as 22°C (73°F). Travelers should be prepared for scorching heat, ensuring they stay hydrated and protected from the sun while exploring this vibrant destination.

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

The chart illustrates May temperature patterns in Sien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sien, May typically has an average temperature of 33°C (92°F), with highs reaching up to 44°C (112°F) and lows dropping to around 22°C (73°F).

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

May Precipitation in Sien

In Sien in May, the precipitation amount is 22 mm (0.9 in) over a span of 6 days.

May Precipitation Trends in Sien

The chart displays monthly precipitation patterns in Sien, 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 Sien, May typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 6 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 Sien

In Sien in May, humidity is 51%. With an average temperature of 33°C (92°F), this humidity feels like a warm embrace, making traveling both refreshing and a bit sticky, prompting visitors to seek shade and stay hydrated while enjoying the vibrant surroundings.

May Average Humidity in Sien

This chart illustrates the average monthly humidity levels in Sien, 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 Sien is approximately 51%, 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 Sien

In Sien in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Sien.

Maximum UV Index Levels in Sien for May

The chart shows the monthly maximum UV Index (UVI) for Sien 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 Sien typically reaches 12, which falls under the extreme exposure category.

Data source: Sien 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 Sien Compares to Other Months

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

This table compares monthly weather conditions in Sien, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	0 mm (0.0 inches)	10%	very high
February Weather	27°C (82°F)	0 mm (0.0 inches)	9%	extreme
March Weather	31°C (89°F)	1 mm (0.0 inches)	11%	extreme
April Weather	33°C (93°F)	5 mm (0.2 inches)	24%	extreme
May Weather	33°C (92°F)	22 mm (0.9 inches)	51%	extreme
June Weather	31°C (87°F)	56 mm (2.2 inches)	75%	extreme
July Weather	28°C (83°F)	141 mm (5.6 inches)	77%	extreme
August Weather	27°C (80°F)	231 mm (9.1 inches)	83%	extreme
September Weather	28°C (82°F)	127 mm (5.0 inches)	83%	extreme
October Weather	29°C (85°F)	39 mm (1.5 inches)	79%	extreme
November Weather	28°C (83°F)	0 mm (0.0 inches)	46%	very high
December Weather	26°C (79°F)	0 mm (0.0 inches)	12%	very high