nomadseason

October Weather in Brinnon, United States

Last updated: June 24, 2025

In October, the average temperature in Brinnon, United States hovers around 9°C (48°F). Expect a chilly minimum of -1°C (30°F), while the days can warm up to a pleasant 22°C (72°F). During this month, you can anticipate 155 mm (6.1 in) of precipitation spread over 16 days, contributing to an average humidity of 83%.

October Temperature in Brinnon

In October in Brinnon, the average temperature is 9°C (48°F). Maximums can reach 22°C (72°F), and minimums can drop as low as -1°C (30°F). Be prepared for a range of temperatures when traveling during this month.

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

The chart illustrates October temperature patterns in Brinnon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brinnon, October typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec373539445257626458484237
Data source: Temperature data for Brinnon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Brinnon

In Brinnon, in October, the total precipitation amount is 155 mm (6.1 in) spread over 16 days.

October Precipitation Trends in Brinnon

The chart displays monthly precipitation patterns in Brinnon, 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 Brinnon, October typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec203153132119941054540114155206207
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Brinnon

In Brinnon in October humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

October Average Humidity in Brinnon

This chart illustrates the average monthly humidity levels in Brinnon, 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 Brinnon is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Brinnon

In Brinnon 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 Brinnon.

Maximum UV Index Levels in Brinnon for October

The chart shows the monthly maximum UV Index (UVI) for Brinnon 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 Brinnon typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235699987532
Data source: Brinnon 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 Brinnon Compares to Other Months

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

This table compares monthly weather conditions in Brinnon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)203 mm (8.0 inches)86%low
February Weather2°C (36°F)153 mm (6.0 inches)84%moderate
March Weather4°C (39°F)132 mm (5.2 inches)85%moderate
April Weather7°C (44°F)118 mm (4.7 inches)83%high
May Weather11°C (52°F)94 mm (3.7 inches)84%very high
June Weather14°C (57°F)105 mm (4.1 inches)84%very high
July Weather17°C (63°F)45 mm (1.8 inches)82%very high
August Weather18°C (64°F)40 mm (1.6 inches)73%very high
September Weather14°C (58°F)114 mm (4.5 inches)74%high
October Weather9°C (48°F)155 mm (6.1 inches)83%moderate
November Weather6°C (42°F)206 mm (8.1 inches)86%moderate
December Weather3°C (37°F)207 mm (8.1 inches)87%low

Compare Brinnon's Climate with Cities Worldwide