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August Weather in Sienes, Spain

Last updated: August 27, 2025

In August, the average temperature in Sienes, Spain is a pleasant 23°C (73°F). However, temperatures can vary significantly, with minimums dropping to 6°C (43°F) and maximums soaring to 38°C (101°F). During this month, you can expect approximately 23 mm (0.9 in) of precipitation over about 5 days, paired with an average humidity level of 58%.

August Temperature in Sienes

In August in Sienes, the average temperature is 23°C (73°F). Maximum temperatures can reach as high as 38°C (101°F), while minimums can drop to a chilly 6°C (43°F). Pack accordingly for both warm days and cooler nights during your trip!

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

The chart illustrates August temperature patterns in Sienes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sienes, August typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (101°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec374345505967737364554441
Data source: Temperature data for Sienes 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 Sienes

In Sienes in August, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

August Precipitation Trends in Sienes

The chart displays monthly precipitation patterns in Sienes, 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 Sienes, August typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec353553926254222338425738
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sienes

In Sienes in August, humidity is 58%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, creating a gentle stickiness that makes you appreciate the shade while exploring the vibrant streets.

August Average Humidity in Sienes

This chart illustrates the average monthly humidity levels in Sienes, 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 Sienes is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%79%74%71%63%59%58%66%77%87%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sienes

In Sienes in August, 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 Sienes.

Maximum UV Index Levels in Sienes for August

The chart shows the monthly maximum UV Index (UVI) for Sienes 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 Sienes typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3469101111108642
Data source: Sienes 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 Sienes Compares to Other Months

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

This table compares monthly weather conditions in Sienes, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)35 mm (1.4 inches)90%moderate
February Weather6°C (43°F)35 mm (1.4 inches)86%moderate
March Weather7°C (46°F)53 mm (2.1 inches)79%high
April Weather10°C (50°F)92 mm (3.6 inches)74%very high
May Weather15°C (59°F)62 mm (2.4 inches)71%very high
June Weather19°C (67°F)54 mm (2.1 inches)63%extreme
July Weather23°C (74°F)22 mm (0.9 inches)59%extreme
August Weather23°C (73°F)23 mm (0.9 inches)58%very high
September Weather18°C (64°F)38 mm (1.5 inches)65%very high
October Weather13°C (55°F)42 mm (1.6 inches)77%high
November Weather7°C (44°F)56 mm (2.2 inches)87%moderate
December Weather5°C (41°F)37 mm (1.5 inches)90%low

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