August Weather in Jefferson, United States

Last updated: June 24, 2025

In August, the average temperature in Jefferson, United States hovers around 23°C (73°F), making for a comfortable climate. However, be prepared for some variability, as temperatures can dip to a chilly 9°C (49°F) at night and rise to a scorching 36°C (97°F) during the day. With an average precipitation of 109 mm (4.3 in) over 9 days, you might want to carry an umbrella. Additionally, the air tends to be quite humid, with an average humidity level of 80%.

August Temperature in Jefferson

In August in Jefferson, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop as low as 9°C (49°F). Pack for a range of weather to fully enjoy your travels in Jefferson this month.

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 23°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Jefferson generated using information from the Copernicus Climate Change Service.

August Precipitation in Jefferson

In Jefferson in August, the total precipitation amount is 109 mm (4.3 in) spread over 9 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 109 mm (4.3 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Jefferson

In Jefferson in August humidity is 80%. With an average temperature of 23°C (73°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly sticky and requiring frequent breaks in shaded areas to stay comfortable while exploring.

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 80%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	28 mm (1.1 inches)	80%	moderate
February Weather	-5°C (23°F)	29 mm (1.2 inches)	84%	moderate
March Weather	3°C (38°F)	81 mm (3.2 inches)	75%	moderate
April Weather	9°C (48°F)	80 mm (3.2 inches)	79%	very high
May Weather	16°C (61°F)	140 mm (5.5 inches)	74%	very high
June Weather	23°C (74°F)	102 mm (4.0 inches)	81%	extreme
July Weather	25°C (77°F)	66 mm (2.6 inches)	82%	very high
August Weather	23°C (73°F)	109 mm (4.3 inches)	80%	very high
September Weather	20°C (68°F)	101 mm (4.0 inches)	75%	very high
October Weather	10°C (51°F)	77 mm (3.0 inches)	77%	moderate
November Weather	3°C (38°F)	27 mm (1.0 inches)	85%	moderate
December Weather	-2°C (29°F)	41 mm (1.6 inches)	83%	low