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October Weather in Cheyenne, United States

Last updated: June 24, 2025

In Cheyenne, United States, the average temperature in October is a pleasant 15°C (59°F). However, be prepared for varying conditions, as temperatures can dip as low as -5°C (24°F) or soar to a scorching 36°C (97°F). Expect around 73 mm (2.9 in) of precipitation spread over 7 days, contributing to an average humidity of 71%. Be ready for a mix of weather this month!

October Temperature in Cheyenne

In October in Cheyenne, the average temperature is 15°C (59°F). The maximum can reach 36°C (97°F), while the minimum can drop to as low as -5°C (24°F). It’s advisable to pack layers and be prepared for a wide range of weather conditions while traveling.

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

The chart illustrates October temperature patterns in Cheyenne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cheyenne, October typically has an average temperature of 15°C (59°F), with highs reaching up to 36°C (97°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec373851586877818073594842
Data source: Temperature data for Cheyenne 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 Cheyenne

In Cheyenne in October, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.

October Precipitation Trends in Cheyenne

The chart displays monthly precipitation patterns in Cheyenne, 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 Cheyenne, October typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2618795610573494555731321
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cheyenne

In Cheyenne in October humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

October Average Humidity in Cheyenne

This chart illustrates the average monthly humidity levels in Cheyenne, 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 Cheyenne is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Cheyenne

In Cheyenne in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Cheyenne.

Maximum UV Index Levels in Cheyenne for October

The chart shows the monthly maximum UV Index (UVI) for Cheyenne 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 Cheyenne typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Cheyenne 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 Cheyenne Compares to Other Months

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

This table compares monthly weather conditions in Cheyenne, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)26 mm (1.0 inches)76%moderate
February Weather4°C (39°F)18 mm (0.7 inches)76%high
March Weather11°C (51°F)79 mm (3.1 inches)70%very high
April Weather14°C (58°F)56 mm (2.2 inches)72%very high
May Weather20°C (68°F)105 mm (4.2 inches)82%extreme
June Weather25°C (78°F)73 mm (2.9 inches)82%extreme
July Weather27°C (81°F)49 mm (1.9 inches)80%extreme
August Weather26°C (80°F)45 mm (1.8 inches)72%extreme
September Weather23°C (74°F)55 mm (2.2 inches)64%very high
October Weather15°C (59°F)73 mm (2.9 inches)71%high
November Weather9°C (48°F)13 mm (0.5 inches)81%moderate
December Weather5°C (42°F)21 mm (0.8 inches)84%moderate

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