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October Weather in Riverton, United States

Last updated: June 24, 2025

In Riverton, United States, the average temperature in October is a chilly 6°C (43°F). Expect temperature fluctuations, where the minimum can plummet to -24°C (-11°F) and the maximum can soar to 27°C (81°F). During this month, precipitation averages around 31 mm (1.2 in) over 5 days, with an average humidity of 69%, making it a unique blend of crisp air and occasional moisture.

October Temperature in Riverton

In October in Riverton, the average temperature is 6°C (43°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -24°C (-11°F). Be prepared for a wide range of temperatures and pack accordingly to ensure a comfortable trip!

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

The chart illustrates October temperature patterns in Riverton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverton, October typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (81°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec212336415265737061433424
Data source: Temperature data for Riverton 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 Riverton

In Riverton in October, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

October Precipitation Trends in Riverton

The chart displays monthly precipitation patterns in Riverton, 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 Riverton, October typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec152338618031212327311716
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Riverton

In Riverton in October, humidity is 69%. With an average temperature of 6°C (43°F), this humidity feels like a chill that seeps into your bones, making outdoor activities less pleasant and requiring extra layers to stay comfortable while traveling.

October Average Humidity in Riverton

This chart illustrates the average monthly humidity levels in Riverton, 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 Riverton is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Riverton

In Riverton in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Riverton, you can refer to this Hourly UV Index in Riverton.

Maximum UV Index Levels in Riverton for October

The chart shows the monthly maximum UV Index (UVI) for Riverton 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 Riverton typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Riverton 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 Riverton Compares to Other Months

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

This table compares monthly weather conditions in Riverton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)15 mm (0.6 inches)90%moderate
February Weather-5°C (23°F)23 mm (0.9 inches)89%moderate
March Weather2°C (36°F)38 mm (1.5 inches)82%high
April Weather5°C (42°F)61 mm (2.4 inches)72%very high
May Weather11°C (52°F)80 mm (3.2 inches)69%very high
June Weather18°C (65°F)30 mm (1.2 inches)67%extreme
July Weather23°C (73°F)21 mm (0.8 inches)65%extreme
August Weather21°C (70°F)23 mm (0.9 inches)59%very high
September Weather16°C (61°F)27 mm (1.1 inches)59%very high
October Weather6°C (43°F)31 mm (1.2 inches)69%high
November Weather1°C (35°F)17 mm (0.7 inches)83%moderate
December Weather-4°C (24°F)16 mm (0.6 inches)89%moderate

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