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October Weather in Mandan, United States

Last updated: June 24, 2025

In October, the average temperature in Mandan, United States hovers around 6°C (44°F). Expect a wide temperature range, with lows dipping to a brisk -13°C (10°F) and highs reaching a warm 31°C (88°F). With an average precipitation of 56 mm (2.2 in) spread over 6 days, it's a good idea to be prepared for occasional rain. Additionally, the environment enjoys a moderate average humidity of 71%, contributing to an overall fresh atmosphere.

October Temperature in Mandan

In October in Mandan, the average temperature is 6°C (44°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -13°C (10°F). This wide temperature range makes Mandan a destination where you should pack for both warm and cold weather.

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

The chart illustrates October temperature patterns in Mandan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandan, October typically has an average temperature of 6°C (44°F), with highs reaching up to 31°C (88°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec151330405569737061443122
Data source: Temperature data for Mandan 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 Mandan

In Mandan in October, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

October Precipitation Trends in Mandan

The chart displays monthly precipitation patterns in Mandan, 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 Mandan, October typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec121626275264626056561622
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Mandan

In Mandan in October, humidity is 71%. With an average temperature of 6°C (44°F), this humidity feels like you’re walking through a heavy mist, making the air feel colder and more biting, which can make traveling uncomfortable and dampen your spirits as you explore.

October Average Humidity in Mandan

This chart illustrates the average monthly humidity levels in Mandan, 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 Mandan is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Mandan

In Mandan in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Mandan.

Maximum UV Index Levels in Mandan for October

The chart shows the monthly maximum UV Index (UVI) for Mandan 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 Mandan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2459810997532
Data source: Mandan 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 Mandan Compares to Other Months

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

This table compares monthly weather conditions in Mandan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)12 mm (0.5 inches)84%low
February Weather-10°C (14°F)16 mm (0.6 inches)88%moderate
March Weather-1°C (30°F)26 mm (1.0 inches)78%moderate
April Weather4°C (40°F)27 mm (1.1 inches)75%very high
May Weather13°C (56°F)52 mm (2.0 inches)76%very high
June Weather20°C (69°F)63 mm (2.5 inches)79%very high
July Weather23°C (74°F)62 mm (2.4 inches)78%very high
August Weather21°C (70°F)60 mm (2.4 inches)78%very high
September Weather16°C (61°F)56 mm (2.2 inches)69%high
October Weather6°C (44°F)56 mm (2.2 inches)71%moderate
November Weather-1°C (31°F)16 mm (0.6 inches)82%moderate
December Weather-6°C (22°F)22 mm (0.9 inches)84%low

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