August Weather in Sien, Burkina Faso

Last updated: August 22, 2025

In Sien, Burkina Faso, the average temperature in August is a warm 27°C (80°F), with a minimum of 22°C (71°F) and a maximum reaching 35°C (95°F). Expect a significant amount of precipitation during this time, totaling 231 mm (9.1 in) across 23 days. With an average humidity of 83%, be prepared for a tropical feel in the air!

August Temperature in Sien

In August in Sien, the average temperature is 27°C (80°F). Maximums can reach 35°C (95°F), and minimums can be as low as 22°C (71°F). This makes it an ideal time for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates August 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, August typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec768188929287828082848379
Data source: Temperature data for Sien generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sien

In Sien in August, the total precipitation amount reaches 231 mm (9.1 in) over the course of 23 days.

August Precipitation Trends in Sien

The chart displays monthly precipitation patterns in Sien, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Sien, August typically receives around 231 mm (9.1 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec001522561412311273900
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sien

In Sien in August, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

August Average Humidity in Sien

This chart illustrates the average monthly humidity levels in Sien, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Sien is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec10%9%11%24%51%75%78%83%83%79%46%12%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sien

In Sien in August, 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 Sien, you can check here.

Maximum UV Index Levels in Sien for August

The chart shows the monthly maximum UV Index (UVI) for Sien in August, 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 August, the maximum UV index in Sien typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111213121214141312109
Data source: Sien August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)0 mm (0.0 inches)10%very high
February Weather27°C (82°F)0 mm (0.0 inches)9%extreme
March Weather31°C (89°F)1 mm (0.0 inches)11%extreme
April Weather33°C (93°F)5 mm (0.2 inches)24%extreme
May Weather33°C (92°F)22 mm (0.9 inches)51%extreme
June Weather31°C (87°F)56 mm (2.2 inches)75%extreme
July Weather28°C (83°F)141 mm (5.6 inches)77%extreme
August Weather27°C (80°F)231 mm (9.1 inches)83%extreme
September Weather28°C (82°F)127 mm (5.0 inches)83%extreme
October Weather29°C (85°F)39 mm (1.5 inches)79%extreme
November Weather28°C (83°F)0 mm (0.0 inches)46%very high
December Weather26°C (79°F)0 mm (0.0 inches)12%very high

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