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August Weather in Upper Lake, United States

Last updated: June 24, 2025

In August, the average temperature in Upper Lake, United States hovers around 24°C (75°F), creating a pleasant climate. Expect minimum temperatures to dip to 12°C (54°F), while highs can soar up to 39°C (103°F). Rainfall is minimal, with just 2 mm (0.1 in) of precipitation over 0 days, contributing to an average humidity of 66%. Enjoy the warmth and light during this delightful month!

August Temperature in Upper Lake

In August in Upper Lake, the average temperature is 24°C (75°F). Maximum temperatures can reach 39°C (103°F), while minimums can drop to as low as 12°C (54°F). This range makes it a perfect time for travelers to enjoy a mix of warm days and cooler evenings.

August Weather in Upper Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Upper Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upper Lake, August typically has an average temperature of 24°C (75°F), with highs reaching up to 39°C (103°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec444547535969767568595044
Data source: Temperature data for Upper Lake 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 Upper Lake

In Upper Lake in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in Upper Lake

The chart displays monthly precipitation patterns in Upper Lake, 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 Upper Lake, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec164167119654740265280110
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Upper Lake

In Upper Lake in August humidity is 66%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, making it feel a bit heavier and stickier while traveling, which might slow down your pace but offers a unique ambiance to explore.

August Average Humidity in Upper Lake

This chart illustrates the average monthly humidity levels in Upper Lake, 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 Upper Lake is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Upper Lake

In Upper Lake 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 Upper Lake.

Maximum UV Index Levels in Upper Lake for August

The chart shows the monthly maximum UV Index (UVI) for Upper Lake 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 Upper Lake typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109743
Data source: Upper Lake 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 Upper Lake Compares to Other Months

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

This table compares monthly weather conditions in Upper Lake, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)164 mm (6.5 inches)86%moderate
February Weather7°C (46°F)167 mm (6.6 inches)84%moderate
March Weather8°C (47°F)119 mm (4.7 inches)83%high
April Weather12°C (53°F)65 mm (2.6 inches)80%very high
May Weather15°C (59°F)47 mm (1.9 inches)80%extreme
June Weather20°C (69°F)4 mm (0.1 inches)76%extreme
July Weather24°C (76°F)0 mm (0.0 inches)70%extreme
August Weather24°C (75°F)2 mm (0.1 inches)66%very high
September Weather20°C (69°F)6 mm (0.2 inches)68%very high
October Weather15°C (60°F)52 mm (2.0 inches)72%high
November Weather10°C (50°F)80 mm (3.2 inches)84%moderate
December Weather7°C (44°F)110 mm (4.3 inches)84%moderate

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