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August Weather in Napoleon, United States

Last updated: June 24, 2025

In Napoleon, United States, the average temperature in August is a pleasant 20°C (69°F). However, be prepared for a range: temperatures can dip to a minimum of 7°C (45°F) and soar up to a maximum of 37°C (99°F). Expect 94 mm (3.7 in) of precipitation spread across 9 days, with an average humidity level of 77%. Whether you enjoy sunny days or the occasional rain, this month offers a bit of everything!

August Temperature in Napoleon

In August in Napoleon, the average temperature is 20°C (69°F). Maximums can reach 37°C (99°F), and minimums can be as low as 7°C (45°F). This range makes it a great time for travelers to enjoy a mix of warm and cooler days, perfect for various outdoor activities.

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

The chart illustrates August temperature patterns in Napoleon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Napoleon, August typically has an average temperature of 20°C (69°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec131128395468726860433020
Data source: Temperature data for Napoleon 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 Napoleon

In Napoleon in August, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.

August Precipitation Trends in Napoleon

The chart displays monthly precipitation patterns in Napoleon, 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 Napoleon, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec151726356185739461661729
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Napoleon

In Napoleon in August, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

August Average Humidity in Napoleon

This chart illustrates the average monthly humidity levels in Napoleon, 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 Napoleon is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%82%79%74%78%76%77%72%74%85%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Napoleon

In Napoleon 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 Napoleon.

Maximum UV Index Levels in Napoleon for August

The chart shows the monthly maximum UV Index (UVI) for Napoleon 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 Napoleon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3559910997532
Data source: Napoleon 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 Napoleon Compares to Other Months

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

This table compares monthly weather conditions in Napoleon, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)15 mm (0.6 inches)87%moderate
February Weather-12°C (11°F)17 mm (0.7 inches)89%moderate
March Weather-2°C (29°F)26 mm (1.0 inches)82%moderate
April Weather4°C (39°F)35 mm (1.4 inches)79%very high
May Weather12°C (55°F)61 mm (2.4 inches)74%very high
June Weather20°C (68°F)85 mm (3.3 inches)78%very high
July Weather22°C (73°F)73 mm (2.9 inches)76%very high
August Weather20°C (69°F)94 mm (3.7 inches)77%very high
September Weather15°C (60°F)61 mm (2.4 inches)72%high
October Weather6°C (43°F)66 mm (2.6 inches)74%moderate
November Weather-1°C (30°F)17 mm (0.7 inches)85%moderate
December Weather-6°C (21°F)29 mm (1.1 inches)84%low

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