August Weather in Vista West, United States

Last updated: June 24, 2025

In Vista West, United States, the average temperature in August is a pleasant 21°C (71°F). With a minimum dipping to 5°C (42°F) and a maximum soaring to 36°C (98°F), the weather can be quite varied. Expect some rain as well, with average precipitation of 13 mm (0.5 in) over 3 days. Humidity levels are generally high at 76%, creating a warm and inviting atmosphere.

August Temperature in Vista West

In August in Vista West, the average temperature is 21°C (71°F), with maximums reaching up to 36°C (98°F) and minimums dropping as low as 5°C (42°F). This wide range of temperatures makes it essential for travelers to pack for both warm days and cooler nights.

August Weather in Vista West: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Vista West, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vista West, August typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec201932395166737061423424
Data source: Temperature data for Vista West 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 Vista West

In Vista West in August, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

August Precipitation Trends in Vista West

The chart displays monthly precipitation patterns in Vista West, 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 Vista West, August typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec212843546125111324382325
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Vista West

In Vista West 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 Vista West

This chart illustrates the average monthly humidity levels in Vista West, 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 Vista West is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%70%67%70%75%76%76%72%70%77%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Vista West

In Vista West 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 Vista West.

Maximum UV Index Levels in Vista West for August

The chart shows the monthly maximum UV Index (UVI) for Vista West 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 Vista West typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46711101212119643
Data source: Vista West 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 Vista West Compares to Other Months

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

This table compares monthly weather conditions in Vista West, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)21 mm (0.8 inches)79%moderate
February Weather-7°C (19°F)28 mm (1.1 inches)81%high
March Weather0°C (32°F)43 mm (1.7 inches)70%high
April Weather4°C (40°F)54 mm (2.1 inches)67%extreme
May Weather10°C (51°F)61 mm (2.4 inches)70%very high
June Weather19°C (66°F)24 mm (1.0 inches)75%extreme
July Weather23°C (74°F)11 mm (0.4 inches)76%extreme
August Weather21°C (71°F)13 mm (0.5 inches)76%extreme
September Weather16°C (61°F)24 mm (0.9 inches)72%very high
October Weather5°C (42°F)38 mm (1.5 inches)70%high
November Weather1°C (35°F)23 mm (0.9 inches)76%moderate
December Weather-4°C (24°F)25 mm (1.0 inches)81%moderate

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