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August Weather in Alto, United States

Last updated: June 24, 2025

In Alto, United States, the average temperature in August hovers around 21°C (71°F), offering a pleasant climate for outdoor activities. Expect minimum temperatures to dip to 8°C (47°F), while the mercury can soar to a warm 32°C (90°F). Be prepared for some rain, as the region experiences about 98 mm (3.9 in) of precipitation over 11 days. The average humidity sits comfortably at 76%, making it a humid but enjoyable time to visit.

August Temperature in Alto

In August in Alto, the average temperature is 21°C (71°F). Maximums can reach 32°C (90°F) and minimums can be as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy both warm days and cool evenings while exploring the area.

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

The chart illustrates August temperature patterns in Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto, August typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134445869737064513628
Data source: Temperature data for Alto 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 Alto

In Alto in August, the total precipitation amount is 98 mm (3.9 in) over the course of 11 days.

August Precipitation Trends in Alto

The chart displays monthly precipitation patterns in Alto, 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 Alto, August typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4648599911610510498851054647
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Alto

In Alto in August humidity is 76%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making traveling both refreshing and a bit exhausting, as the air clings to your skin and you often find yourself reaching for water to stay hydrated.

August Average Humidity in Alto

This chart illustrates the average monthly humidity levels in Alto, 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 Alto is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Alto

In Alto in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Alto.

Maximum UV Index Levels in Alto for August

The chart shows the monthly maximum UV Index (UVI) for Alto 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 Alto typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Alto 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 Alto Compares to Other Months

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

This table compares monthly weather conditions in Alto, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)46 mm (1.8 inches)85%moderate
February Weather-6°C (21°F)48 mm (1.9 inches)85%moderate
March Weather1°C (34°F)59 mm (2.3 inches)85%moderate
April Weather7°C (44°F)99 mm (3.9 inches)85%very high
May Weather14°C (58°F)116 mm (4.6 inches)78%very high
June Weather21°C (69°F)105 mm (4.1 inches)80%very high
July Weather23°C (74°F)104 mm (4.1 inches)78%very high
August Weather21°C (71°F)98 mm (3.9 inches)76%very high
September Weather18°C (64°F)85 mm (3.3 inches)79%high
October Weather10°C (51°F)105 mm (4.1 inches)83%moderate
November Weather2°C (36°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)47 mm (1.9 inches)81%low

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