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August Weather in Cornell, United States

Last updated: June 24, 2025

In Cornell, United States, the average temperature in August reaches a pleasant 20°C (68°F). However, expect a range from a cool 8°C (47°F) to a warm 32°C (90°F). During this month, you can anticipate 123 mm (4.9 in) of precipitation spread over 13 days, coupled with an average humidity of 78%. Prepare accordingly for a mix of weather!

August Temperature in Cornell

In August in Cornell, the average temperature is 20°C (68°F). Maximums can reach 32°C (90°F) while minimums can drop to as low as 8°C (47°F). This makes Cornell a favorable destination for travelers seeking mild weather with the potential for warmer days.

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

The chart illustrates August temperature patterns in Cornell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornell, August typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec161632425768726862473222
Data source: Temperature data for Cornell 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 Cornell

In Cornell in August, the precipitation amount is 123 mm (4.9 in) over the course of 13 days.

August Precipitation Trends in Cornell

The chart displays monthly precipitation patterns in Cornell, 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 Cornell, August typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec32475689122120121123981154860
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cornell

In Cornell in August humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

August Average Humidity in Cornell

This chart illustrates the average monthly humidity levels in Cornell, 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 Cornell is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cornell

In Cornell 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 Cornell.

Maximum UV Index Levels in Cornell for August

The chart shows the monthly maximum UV Index (UVI) for Cornell 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 Cornell typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Cornell 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 Cornell Compares to Other Months

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

This table compares monthly weather conditions in Cornell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)32 mm (1.2 inches)88%low
February Weather-9°C (17°F)47 mm (1.9 inches)89%moderate
March Weather0°C (32°F)56 mm (2.2 inches)86%moderate
April Weather6°C (42°F)89 mm (3.5 inches)85%high
May Weather14°C (58°F)122 mm (4.8 inches)79%very high
June Weather20°C (69°F)120 mm (4.7 inches)80%very high
July Weather22°C (72°F)121 mm (4.8 inches)80%very high
August Weather20°C (68°F)123 mm (4.9 inches)78%very high
September Weather17°C (62°F)98 mm (3.9 inches)80%high
October Weather8°C (47°F)114 mm (4.5 inches)84%moderate
November Weather0°C (32°F)48 mm (1.9 inches)89%moderate
December Weather-5°C (23°F)60 mm (2.4 inches)85%low

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