August Weather in Jefferson City, United States

Last updated: June 24, 2025

In Jefferson City, United States, the weather in August offers an inviting average temperature of 25°C (77°F). However, be prepared for a range, as temperatures can dip to a cool 13°C (56°F) or soar to a scorching 37°C (98°F). During this month, expect about 94 mm (3.7 in) of precipitation spread over 11 days, while an average humidity level of 80% keeps the air feeling quite tropical.

August Temperature in Jefferson City

In August, in Jefferson City, the average temperature is 25°C (77°F), with maximums reaching 37°C (98°F) and minimums dropping as low as 13°C (56°F). This makes it an ideal time for travelers seeking pleasant weather with warm days and cooler nights.

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

The chart illustrates August temperature patterns in Jefferson City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson City, August typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556676807672584539
Data source: Temperature data for Jefferson City 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 Jefferson City

In Jefferson City in August, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

August Precipitation Trends in Jefferson City

The chart displays monthly precipitation patterns in Jefferson City, 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 City, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7065120124163951099456995942
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Jefferson City

In Jefferson City in August humidity is 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

August Average Humidity in Jefferson City

This chart illustrates the average monthly humidity levels in Jefferson City, 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 City is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Jefferson City

In Jefferson City 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 Jefferson City.

Maximum UV Index Levels in Jefferson City for August

The chart shows the monthly maximum UV Index (UVI) for Jefferson City 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 City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Jefferson City 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 City Compares to Other Months

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

This table compares monthly weather conditions in Jefferson City, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)70 mm (2.8 inches)82%moderate
February Weather2°C (36°F)65 mm (2.6 inches)80%moderate
March Weather9°C (48°F)120 mm (4.7 inches)80%high
April Weather13°C (55°F)124 mm (4.9 inches)80%very high
May Weather19°C (67°F)163 mm (6.4 inches)82%very high
June Weather25°C (77°F)95 mm (3.7 inches)83%extreme
July Weather26°C (80°F)108 mm (4.3 inches)81%extreme
August Weather25°C (77°F)94 mm (3.7 inches)80%very high
September Weather22°C (73°F)56 mm (2.2 inches)76%very high
October Weather15°C (59°F)99 mm (3.9 inches)76%high
November Weather7°C (45°F)59 mm (2.3 inches)85%moderate
December Weather4°C (40°F)41 mm (1.6 inches)86%moderate

Compare Jefferson City's Climate with Cities Worldwide