nomadseason

October Weather in Dumbarton, United States

Last updated: June 24, 2025

In October, the average temperature in Dumbarton, United States hovers around 18°C (64°F), with the mercury dipping to a chilly 1°C (34°F) and rising to a scorching 37°C (99°F). Expect about 127 mm (5.0 in) of precipitation spread across 9 days, contributing to an average humidity of 81%. Whether you're preparing for a rainy day or enjoying the sun, this month offers a diverse climate experience!

October Temperature in Dumbarton

In October in Dumbarton, the average temperature is 18°C (64°F). Maximums can reach 37°C (99°F), and minimums can be as low as 1°C (34°F). This means you'll want to pack for a variety of weather conditions while enjoying your travels.

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

The chart illustrates October temperature patterns in Dumbarton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dumbarton, October typically has an average temperature of 18°C (64°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550606976817873645044
Data source: Temperature data for Dumbarton 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 Dumbarton

In Dumbarton in October, the precipitation amount is 127 mm (5.0 in) over a span of 9 days.

October Precipitation Trends in Dumbarton

The chart displays monthly precipitation patterns in Dumbarton, 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 Dumbarton, October typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec689972105102123105170971277495
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Dumbarton

In Dumbarton in October, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

October Average Humidity in Dumbarton

This chart illustrates the average monthly humidity levels in Dumbarton, 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 Dumbarton is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Dumbarton

In Dumbarton 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 Dumbarton.

Maximum UV Index Levels in Dumbarton for October

The chart shows the monthly maximum UV Index (UVI) for Dumbarton 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 Dumbarton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101010109753
Data source: Dumbarton 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 Dumbarton Compares to Other Months

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

This table compares monthly weather conditions in Dumbarton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)68 mm (2.7 inches)84%moderate
February Weather7°C (45°F)99 mm (3.9 inches)84%high
March Weather10°C (50°F)72 mm (2.8 inches)84%high
April Weather15°C (60°F)105 mm (4.1 inches)82%very high
May Weather20°C (69°F)102 mm (4.0 inches)82%very high
June Weather24°C (76°F)123 mm (4.9 inches)83%very high
July Weather27°C (81°F)104 mm (4.1 inches)79%very high
August Weather26°C (78°F)170 mm (6.7 inches)77%very high
September Weather23°C (74°F)97 mm (3.8 inches)75%very high
October Weather18°C (64°F)127 mm (5.0 inches)81%high
November Weather10°C (50°F)74 mm (2.9 inches)87%moderate
December Weather7°C (44°F)95 mm (3.7 inches)85%moderate

Compare Dumbarton's Climate with Cities Worldwide