July Weather in Jefferson, United States

Last updated: June 24, 2025

In July, the average temperature in Jefferson, United States hovers around 21°C (70°F). Expect a cozy range, with minimums dipping to 11°C (51°F) and maximums soaring up to 30°C (86°F). On average, you can anticipate 103 mm (4.0 in) of precipitation spread over 16 days, while the humidity sits at a comfortable 79%.

July Temperature in Jefferson

In July in Jefferson, the average temperature is 21°C (70°F). Maximums can reach 30°C (86°F), while minimums can dip to as low as 11°C (51°F). It's an ideal time for travelers seeking mild and pleasant weather.

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

The chart illustrates July 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, July typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (86°F) and lows dropping to around 11°C (51°F).

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

July Precipitation in Jefferson

In Jefferson in July, the precipitation amount is 103 mm (4.0 in) during a total of 16 days.

July Precipitation Trends in Jefferson

The chart displays monthly precipitation patterns in Jefferson, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Jefferson, July typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Jefferson

In Jefferson in July humidity is 79%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable for travelers who appreciate the lush, vibrant atmosphere.

July Average Humidity in Jefferson

This chart illustrates the average monthly humidity levels in Jefferson, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Jefferson is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Jefferson

In Jefferson in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Jefferson in July, 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 July, the maximum UV index in Jefferson typically reaches 11, which falls under the extreme exposure category.

Data source: Jefferson July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	88 mm (3.5 inches)	87%	moderate
February Weather	4°C (40°F)	129 mm (5.1 inches)	87%	high
March Weather	7°C (44°F)	112 mm (4.4 inches)	86%	very high
April Weather	11°C (52°F)	143 mm (5.6 inches)	84%	extreme
May Weather	16°C (61°F)	140 mm (5.5 inches)	83%	extreme
June Weather	19°C (66°F)	132 mm (5.2 inches)	83%	extreme
July Weather	21°C (70°F)	103 mm (4.0 inches)	79%	extreme
August Weather	20°C (69°F)	133 mm (5.2 inches)	66%	extreme
September Weather	18°C (65°F)	126 mm (5.0 inches)	68%	very high
October Weather	13°C (56°F)	130 mm (5.1 inches)	78%	very high
November Weather	6°C (42°F)	76 mm (3.0 inches)	89%	high
December Weather	3°C (38°F)	107 mm (4.2 inches)	86%	moderate