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October Weather in Billings, United States

Last updated: June 24, 2025

In October, the average temperature in Billings, United States hovers around 15°C (59°F), with a range that can dip as low as -3°C (26°F) and soar up to 31°C (88°F). Expect about 149 mm (5.9 in) of precipitation spread across roughly 10 days, while the air will feel quite humid with an average humidity level of 70%.

October Temperature in Billings

In October in Billings, the average temperature is 15°C (59°F). Maximums can reach 31°C (88°F), and minimums can dip as low as -3°C (26°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is advisable.

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

The chart illustrates October temperature patterns in Billings, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Billings, October typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849556675797673594641
Data source: Temperature data for Billings 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 Billings

In Billings in October, the total precipitation amount is 149 mm (5.9 in) spread over 10 days.

October Precipitation Trends in Billings

The chart displays monthly precipitation patterns in Billings, 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 Billings, October typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec86911471631728883124551496955
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Billings

In Billings in October, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

October Average Humidity in Billings

This chart illustrates the average monthly humidity levels in Billings, 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 Billings is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Billings

In Billings 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 Billings.

Maximum UV Index Levels in Billings for October

The chart shows the monthly maximum UV Index (UVI) for Billings 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 Billings typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Billings 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 Billings Compares to Other Months

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

This table compares monthly weather conditions in Billings, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)85 mm (3.4 inches)81%moderate
February Weather3°C (38°F)91 mm (3.6 inches)78%high
March Weather10°C (49°F)147 mm (5.8 inches)76%high
April Weather13°C (56°F)163 mm (6.4 inches)78%very high
May Weather19°C (66°F)172 mm (6.8 inches)83%very high
June Weather24°C (76°F)88 mm (3.5 inches)83%extreme
July Weather26°C (79°F)83 mm (3.3 inches)78%extreme
August Weather25°C (77°F)124 mm (4.9 inches)68%very high
September Weather23°C (73°F)55 mm (2.2 inches)64%very high
October Weather15°C (59°F)149 mm (5.9 inches)70%high
November Weather8°C (47°F)69 mm (2.7 inches)83%moderate
December Weather5°C (42°F)55 mm (2.2 inches)87%moderate

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