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October Weather in Jefferson, United States

Last updated: June 24, 2025

In Jefferson, United States, the average temperature in October hovers around 19°C (66°F), with fluctuations that can see it dip to a chilly 1°C (34°F) or rise to a sizzling 36°C (97°F). Expect about 75 mm (2.9 in) of precipitation spread over 8 days, contributing to an average humidity of 79%. This blend of warm temperatures and moisture creates a unique climate, making Jefferson an intriguing destination during October.

October Temperature in Jefferson

In October in Jefferson, the average temperature is 19°C (66°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 1°C (34°F). Visitors should be prepared for a wide range of temperatures, making it essential to pack both warm and cool clothing.

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

The chart illustrates October 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, October typically has an average temperature of 19°C (66°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec455155637277807975665248
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.

October Precipitation in Jefferson

In Jefferson in October, the precipitation amount is 75 mm (2.9 in) over a span of 8 days.

October Precipitation Trends in Jefferson

The chart displays monthly precipitation patterns in Jefferson, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Jefferson, October typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec96120821081191171181321397580131
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Jefferson

In Jefferson in October humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

October Average Humidity in Jefferson

This chart illustrates the average monthly humidity levels in Jefferson, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Jefferson is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Jefferson

In Jefferson in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Jefferson.

Maximum UV Index Levels in Jefferson for October

The chart shows the monthly maximum UV Index (UVI) for Jefferson in October, 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 October, the maximum UV index in Jefferson typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Jefferson October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)96 mm (3.8 inches)86%moderate
February Weather10°C (51°F)120 mm (4.7 inches)85%high
March Weather13°C (55°F)82 mm (3.2 inches)84%very high
April Weather17°C (63°F)108 mm (4.2 inches)82%very high
May Weather22°C (72°F)119 mm (4.7 inches)83%extreme
June Weather25°C (77°F)117 mm (4.6 inches)82%extreme
July Weather27°C (80°F)118 mm (4.6 inches)80%extreme
August Weather26°C (79°F)132 mm (5.2 inches)74%very high
September Weather24°C (75°F)139 mm (5.5 inches)75%very high
October Weather19°C (66°F)75 mm (2.9 inches)79%very high
November Weather11°C (53°F)80 mm (3.2 inches)87%high
December Weather9°C (49°F)131 mm (5.2 inches)87%moderate

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