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July Weather in Jefferson, United States

Last updated: June 24, 2025

In Jefferson, United States, the average temperature in July hovers around 29°C (84°F), with possibilities ranging from a cool 18°C (65°F) to a sweltering 40°C (104°F). Visitors can expect about 90 mm (3.5 in) of precipitation spread over 13 days, along with an average humidity level of 72%. Be prepared for a blend of warmth and occasional showers! 🌞🌧️

July Temperature in Jefferson

In July in Jefferson, the average temperature is 29°C (84°F). Maximums can reach 40°C (104°F) and minimums can be as low as 18°C (65°F). Be sure to pack lightweight clothing and stay hydrated for your travels!

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 29°C (84°F), with highs reaching up to 40°C (104°F) and lows dropping to around 18°C (65°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.

July Precipitation in Jefferson

In Jefferson in July, the precipitation amount is 90 mm (3.5 in) over the course of 13 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 90 mm (3.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051491231701561029080929959125
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Jefferson

In Jefferson in July humidity is 72%. With an average temperature of 29°C (84°F), this humidity feels like walking through a warm, damp sponge, making travel uncomfortable as the heat clings to your skin and drains your energy.

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 72%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
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.
 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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