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August Weather in Jefferson, United States

Last updated: June 24, 2025

In August, the average temperature in Jefferson, United States is a warm 29°C (84°F), with minimum temperatures dropping to 19°C (67°F) and peaking at a sizzling 39°C (102°F). Expect about 80 mm (3.2 in) of precipitation spread over 10 days, coupled with an average humidity of 65%. Whether you're soaking up the sun or bracing for a brief shower, this month promises a mix of warmth and excitement!

August Temperature in Jefferson

In August, in Jefferson, the average temperature is 29°C (84°F). The maximum can reach 39°C (102°F) and the minimum can be as low as 19°C (67°F). Travelers should be prepared for warm weather and pack accordingly to enjoy their stay comfortably.

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

The chart illustrates August temperature patterns in Jefferson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson, August typically has an average temperature of 29°C (84°F), with highs reaching up to 39°C (102°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec485160657481848379685652
Data source: Temperature data for Jefferson 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 Jefferson

In Jefferson in August, the precipitation amount is 80 mm (3.2 in) over a span of 10 days.

August Precipitation Trends in Jefferson

The chart displays monthly precipitation patterns in Jefferson, 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 Jefferson, August typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051491231701561029080929959125
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Jefferson

In Jefferson in August humidity is 65%. With average temperature 29°C (84°F), this humidity feels like a warm embrace, making outdoor activities comfortable yet requiring you to stay hydrated and take breaks in the shade.

August Average Humidity in Jefferson

This chart illustrates the average monthly humidity levels in Jefferson, 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 Jefferson is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Jefferson

In Jefferson 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 Jefferson.

Maximum UV Index Levels in Jefferson for August

The chart shows the monthly maximum UV Index (UVI) for Jefferson 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 Jefferson typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Jefferson 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 Jefferson Compares to Other Months

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

This table compares monthly weather conditions in Jefferson, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)105 mm (4.1 inches)82%moderate
February Weather10°C (51°F)149 mm (5.9 inches)80%high
March Weather16°C (61°F)123 mm (4.9 inches)78%very high
April Weather18°C (65°F)170 mm (6.7 inches)79%very high
May Weather23°C (74°F)156 mm (6.1 inches)81%extreme
June Weather27°C (81°F)102 mm (4.0 inches)77%extreme
July Weather29°C (84°F)90 mm (3.5 inches)72%extreme
August Weather29°C (84°F)80 mm (3.2 inches)65%extreme
September Weather26°C (79°F)92 mm (3.6 inches)63%very high
October Weather20°C (68°F)99 mm (3.9 inches)70%very high
November Weather13°C (56°F)59 mm (2.3 inches)82%high
December Weather11°C (52°F)125 mm (4.9 inches)88%moderate

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