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October Weather in Derby Line, United States

Last updated: June 24, 2025

In Derby Line, United States, the average temperature in October hovers around 8°C (47°F). With a minimum dipping to -6°C (22°F) and a maximum rising to 25°C (77°F), the weather can be quite variable. Expect approximately 149 mm (5.9 in) of precipitation over 15 days, coupled with a high average humidity of 85%. Be prepared for a mix of rain and cooler temperatures!

October Temperature in Derby Line

In October in Derby Line, the average temperature is 8°C (47°F). The maximum can reach 25°C (77°F), while the minimum can drop to as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling to Derby Line during this month.

October Weather in Derby Line: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Derby Line, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Derby Line, October typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec171927405362676658473222
Data source: Temperature data for Derby Line 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 Derby Line

In Derby Line in October, the precipitation amount is 149 mm (5.9 in) over a period of 15 days.

October Precipitation Trends in Derby Line

The chart displays monthly precipitation patterns in Derby Line, 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 Derby Line, October typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8882801121031161191048314911484
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Derby Line

In Derby Line in October humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

October Average Humidity in Derby Line

This chart illustrates the average monthly humidity levels in Derby Line, 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 Derby Line is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Derby Line

In Derby Line 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 Derby Line.

Maximum UV Index Levels in Derby Line for October

The chart shows the monthly maximum UV Index (UVI) for Derby Line 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 Derby Line typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: Derby Line 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 Derby Line Compares to Other Months

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

This table compares monthly weather conditions in Derby Line, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)88 mm (3.5 inches)91%low
February Weather-7°C (20°F)82 mm (3.2 inches)89%moderate
March Weather-3°C (27°F)80 mm (3.1 inches)85%moderate
April Weather5°C (40°F)112 mm (4.4 inches)84%high
May Weather12°C (53°F)103 mm (4.1 inches)78%very high
June Weather17°C (62°F)116 mm (4.5 inches)72%very high
July Weather20°C (67°F)119 mm (4.7 inches)75%very high
August Weather19°C (66°F)104 mm (4.1 inches)74%very high
September Weather14°C (58°F)83 mm (3.3 inches)77%high
October Weather8°C (47°F)149 mm (5.9 inches)85%moderate
November Weather0°C (33°F)114 mm (4.5 inches)86%moderate
December Weather-5°C (23°F)84 mm (3.3 inches)85%low

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