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October Weather in Jefferson, United States

Last updated: June 24, 2025

In October, the average temperature in Jefferson, United States is a comfortable 20°C (68°F). However, be prepared for a range, as temperatures can dip to a chilly 0°C (32°F) and soar to a sweltering 35°C (95°F). Expect 99 mm (3.9 in) of precipitation over about 9 days, with an average humidity level of 70%, making for a humid yet pleasant atmosphere.

October Temperature in Jefferson

In October in Jefferson, the average temperature is 20°C (68°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 0°C (32°F). This climate makes Jefferson an ideal destination for travelers seeking both warm days and refreshing cool nights.

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 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°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.

October Precipitation in Jefferson

In Jefferson in October, the precipitation amount is 99 mm (3.9 in) during a span of 9 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 99 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051491231701561029080929959125
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 70%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make traveling a bit heavy and sticky but also invigorating, as the moisture in the air invigorates your skin and keeps you refreshed during your adventures.

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 70%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
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 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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