August Weather in Alto, United States

Last updated: June 24, 2025

In Alto, United States, the average temperature in August reaches a warm 29°C (85°F). However, you might experience variations, with minimums around 18°C (65°F) and maximums soaring to 40°C (104°F). Be prepared for some rain, as precipitation averages 102 mm (4.0 in) over about 11 days in the month. With an average humidity of 67%, expect a pleasantly humid atmosphere throughout your stay.

August Temperature in Alto

In August in Alto, the average temperature is 29°C (85°F). Maximums can reach 40°C (104°F) and minimums can be as low as 18°C (65°F). It’s advisable to pack light clothing and stay hydrated while exploring the warm and varied climate.

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 29°C (85°F), with highs reaching up to 40°C (104°F) and lows dropping to around 18°C (65°F).

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

August Precipitation in Alto

In Alto in August, the precipitation amount is 102 mm (4.0 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 102 mm (4.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Alto

In Alto in August, humidity is 67%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel feel sticky and heavy while adding a layer of intensity to every step.

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 67%, offering insight into how humid the weather typically is during this month.

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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	101 mm (4.0 inches)	79%	moderate
February Weather	11°C (53°F)	135 mm (5.3 inches)	80%	high
March Weather	16°C (62°F)	115 mm (4.5 inches)	78%	very high
April Weather	19°C (66°F)	142 mm (5.6 inches)	79%	extreme
May Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
June Weather	27°C (81°F)	111 mm (4.4 inches)	77%	extreme
July Weather	29°C (84°F)	80 mm (3.2 inches)	71%	extreme
August Weather	29°C (85°F)	102 mm (4.0 inches)	67%	extreme
September Weather	26°C (80°F)	97 mm (3.8 inches)	69%	very high
October Weather	21°C (70°F)	121 mm (4.8 inches)	73%	very high
November Weather	14°C (58°F)	76 mm (3.0 inches)	82%	high
December Weather	12°C (54°F)	116 mm (4.6 inches)	87%	moderate