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October Weather in Grand Ronde, United States

Last updated: June 24, 2025

In October, the average temperature in Grand Ronde, United States hovers around 11°C (52°F). Be prepared for a wide range of temperatures, as they can dip to a chilly -3°C (26°F) or soar to a warm 25°C (77°F). Expect 105 mm (4.1 in) of precipitation spread over approximately 11 days, and keep in mind that the average humidity is a notable 81%.

October Temperature in Grand Ronde

In October in Grand Ronde, the average temperature is 11°C (52°F). Maximum temperatures can reach as high as 25°C (77°F), while minimums can drop to a chilly -3°C (26°F). Overall, it's a great time for traveling, so be prepared for a mix of mild and cool weather.

October Weather in Grand Ronde: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Grand Ronde, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Ronde, October typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414044495560656661524541
Data source: Temperature data for Grand Ronde 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 Grand Ronde

In Grand Ronde in October, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

October Precipitation Trends in Grand Ronde

The chart displays monthly precipitation patterns in Grand Ronde, 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 Grand Ronde, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec19418015012663495668105178210
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grand Ronde

In Grand Ronde in October humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

October Average Humidity in Grand Ronde

This chart illustrates the average monthly humidity levels in Grand Ronde, 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 Grand Ronde is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grand Ronde

In Grand Ronde 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 Grand Ronde.

Maximum UV Index Levels in Grand Ronde for October

The chart shows the monthly maximum UV Index (UVI) for Grand Ronde 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 Grand Ronde typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579101097532
Data source: Grand Ronde 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 Grand Ronde Compares to Other Months

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

This table compares monthly weather conditions in Grand Ronde, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)194 mm (7.6 inches)85%low
February Weather5°C (41°F)180 mm (7.1 inches)84%moderate
March Weather7°C (45°F)150 mm (5.9 inches)85%moderate
April Weather9°C (49°F)126 mm (4.9 inches)83%high
May Weather13°C (55°F)63 mm (2.5 inches)83%very high
June Weather16°C (61°F)49 mm (1.9 inches)83%very high
July Weather18°C (65°F)5 mm (0.2 inches)82%very high
August Weather19°C (66°F)6 mm (0.2 inches)74%very high
September Weather16°C (61°F)68 mm (2.7 inches)71%high
October Weather11°C (52°F)105 mm (4.1 inches)81%moderate
November Weather7°C (46°F)178 mm (7.0 inches)87%moderate
December Weather5°C (41°F)210 mm (8.3 inches)87%low

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