October Weather in Duncan, United States

Last updated: June 24, 2025

In Duncan, United States, the average temperature in October hovers around 18°C (64°F). Expect a wide range, with minimums plummeting to -2°C (29°F) and maximums soaring to 36°C (97°F). Be prepared for some rain, as precipitation totals 133 mm (5.2 in) over approximately 10 days. With an average humidity of 79%, you'll definitely feel the moisture in the air!

October Temperature in Duncan

In October in Duncan, the average temperature is 18°C (64°F). Maximums can reach 36°C (97°F) and minimums can be as low as -2°C (29°F). Be prepared for a wide range of temperatures and pack accordingly for your trip to Duncan this October.

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

The chart illustrates October temperature patterns in Duncan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncan, October typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853617075797873645046
Data source: Temperature data for Duncan 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 Duncan

In Duncan in October, the total precipitation amount is 133 mm (5.2 in) spread over a period of 10 days.

October Precipitation Trends in Duncan

The chart displays monthly precipitation patterns in Duncan, 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 Duncan, October typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec98136101126128778210914413393130
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Duncan

In Duncan in October, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

October Average Humidity in Duncan

This chart illustrates the average monthly humidity levels in Duncan, 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 Duncan 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 Duncan

In Duncan 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 Duncan.

Maximum UV Index Levels in Duncan for October

The chart shows the monthly maximum UV Index (UVI) for Duncan 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 Duncan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Duncan 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 Duncan Compares to Other Months

Weather in Duncan varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Duncan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Duncan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)98 mm (3.9 inches)86%moderate
February Weather9°C (48°F)136 mm (5.4 inches)85%high
March Weather12°C (53°F)100 mm (4.0 inches)84%very high
April Weather16°C (61°F)126 mm (5.0 inches)82%very high
May Weather21°C (70°F)128 mm (5.0 inches)83%extreme
June Weather24°C (76°F)77 mm (3.0 inches)82%extreme
July Weather26°C (80°F)82 mm (3.2 inches)80%extreme
August Weather25°C (78°F)109 mm (4.3 inches)74%very high
September Weather23°C (74°F)144 mm (5.7 inches)75%very high
October Weather18°C (64°F)133 mm (5.2 inches)79%very high
November Weather10°C (50°F)93 mm (3.6 inches)87%high
December Weather8°C (46°F)130 mm (5.1 inches)87%moderate

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