nomadseason

October Weather in Rockville, United States

Last updated: June 24, 2025

In October, the average temperature in Rockville, United States is a comfortable 14°C (58°F). However, temperatures can vary widely, with a minimum of -4°C (25°F) and a maximum reaching 33°C (92°F). Visitors can expect an average precipitation of 118 mm (4.6 in) over 12 days during this month, accompanied by an average humidity level of 76%. Whether you're braving the chill or enjoying the warmth, prepare for a diverse climate!

October Temperature in Rockville

In October in Rockville, the average temperature is 14°C (58°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October temperature patterns in Rockville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rockville, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec303343526574777570584236
Data source: Temperature data for Rockville 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 Rockville

In Rockville in October, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

October Precipitation Trends in Rockville

The chart displays monthly precipitation patterns in Rockville, 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 Rockville, October typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8488122106140113103100651188775
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Rockville

In Rockville in October humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

October Average Humidity in Rockville

This chart illustrates the average monthly humidity levels in Rockville, 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 Rockville is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Rockville

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

Maximum UV Index Levels in Rockville for October

The chart shows the monthly maximum UV Index (UVI) for Rockville 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 Rockville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Rockville 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 Rockville Compares to Other Months

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

This table compares monthly weather conditions in Rockville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)84 mm (3.3 inches)87%moderate
February Weather1°C (33°F)88 mm (3.5 inches)85%moderate
March Weather6°C (43°F)122 mm (4.8 inches)86%high
April Weather11°C (53°F)106 mm (4.2 inches)84%very high
May Weather18°C (65°F)140 mm (5.5 inches)79%very high
June Weather24°C (75°F)113 mm (4.5 inches)82%extreme
July Weather25°C (78°F)103 mm (4.1 inches)79%very high
August Weather24°C (75°F)100 mm (3.9 inches)70%very high
September Weather21°C (71°F)64 mm (2.5 inches)69%very high
October Weather14°C (58°F)118 mm (4.6 inches)76%high
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather2°C (36°F)75 mm (3.0 inches)87%moderate

Compare Rockville's Climate with Cities Worldwide