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October Weather in Bethesda, United States

Last updated: June 24, 2025

In {Bethesda}, {United States}, the average temperature in {October} hovers around 14°C (58°F). Expect minimums to dip to -2°C (29°F), while maximums can soar to 33°C (91°F). During this month, you'll experience approximately 120 mm (4.7 in) of precipitation over 13 days, contributing to an average humidity of 81%. Stay prepared for a mix of mild warmth and occasional rain!

October Temperature in Bethesda

In October in Bethesda, the average temperature is 14°C (58°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when planning your travel to Bethesda during this time.

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

The chart illustrates October temperature patterns in Bethesda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethesda, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec323643526370757368584337
Data source: Temperature data for Bethesda 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 Bethesda

In Bethesda in October, the precipitation amount is 120 mm (4.7 in) spread over 13 days.

October Precipitation Trends in Bethesda

The chart displays monthly precipitation patterns in Bethesda, 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 Bethesda, October typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec931211191421411651339511412092114
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Bethesda

In Bethesda in October, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

October Average Humidity in Bethesda

This chart illustrates the average monthly humidity levels in Bethesda, 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 Bethesda is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Bethesda

In Bethesda 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 Bethesda, you can refer to this Hourly UV Index in Bethesda.

Maximum UV Index Levels in Bethesda for October

The chart shows the monthly maximum UV Index (UVI) for Bethesda 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 Bethesda typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Bethesda 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 Bethesda Compares to Other Months

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

This table compares monthly weather conditions in Bethesda, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)93 mm (3.7 inches)88%moderate
February Weather2°C (36°F)121 mm (4.8 inches)88%moderate
March Weather6°C (43°F)119 mm (4.7 inches)88%high
April Weather11°C (52°F)142 mm (5.6 inches)86%very high
May Weather17°C (63°F)141 mm (5.6 inches)82%very high
June Weather21°C (71°F)165 mm (6.5 inches)84%very high
July Weather24°C (75°F)133 mm (5.2 inches)82%very high
August Weather23°C (73°F)95 mm (3.7 inches)73%very high
September Weather20°C (68°F)114 mm (4.5 inches)73%very high
October Weather14°C (58°F)120 mm (4.7 inches)81%high
November Weather6°C (43°F)92 mm (3.6 inches)89%moderate
December Weather3°C (37°F)114 mm (4.5 inches)86%moderate

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