nomadseason

August Weather in San Jacinto, United States

Last updated: June 24, 2025

In San Jacinto, United States, the average temperature in August hovers around 26°C (80°F). You can expect minimums of 15°C (59°F) and maximums reaching up to 40°C (104°F). With an average precipitation of only 3 mm (0.1 in) over just 1 day, the weather is generally dry, complemented by an average humidity level of 42%.

August Temperature in San Jacinto

In August in San Jacinto, the average temperature is 26°C (80°F), with maximums soaring up to 40°C (104°F) and minimums dipping as low as 15°C (59°F). This climate makes it an ideal time for travelers seeking warm weather and outdoor activities.

August Weather in San Jacinto: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, August typically has an average temperature of 26°C (80°F), with highs reaching up to 40°C (104°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec515154616472797975665951
Data source: Temperature data for San Jacinto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in San Jacinto

In San Jacinto in August, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

August Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 San Jacinto, August typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec71737031203534133066
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in San Jacinto

In San Jacinto in August, humidity is 42%. With an average temperature of 26°C (80°F), this humidity feels like a comfortable embrace, ideal for exploring the sights without feeling overly sticky or weighed down, making it a pleasant time for traveling.

August Average Humidity in San Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 San Jacinto is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Jacinto

In San Jacinto 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 San Jacinto.

Maximum UV Index Levels in San Jacinto for August

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 San Jacinto typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: San Jacinto 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 San Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)71 mm (2.8 inches)72%moderate
February Weather11°C (52°F)73 mm (2.9 inches)77%high
March Weather12°C (54°F)70 mm (2.8 inches)67%very high
April Weather16°C (61°F)31 mm (1.2 inches)56%very high
May Weather18°C (64°F)20 mm (0.8 inches)46%extreme
June Weather22°C (73°F)3 mm (0.1 inches)48%extreme
July Weather26°C (79°F)5 mm (0.2 inches)46%extreme
August Weather26°C (80°F)3 mm (0.1 inches)42%extreme
September Weather24°C (75°F)4 mm (0.2 inches)52%very high
October Weather19°C (67°F)13 mm (0.5 inches)58%high
November Weather15°C (59°F)30 mm (1.2 inches)66%moderate
December Weather11°C (52°F)66 mm (2.6 inches)74%moderate

Compare San Jacinto's Climate with Cities Worldwide