Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With October's arrival, Rockville's weather changes as the average high-temperature falls from a warm 77.9°F (25.5°C) in September to a refreshing 65.5°F (18.6°C). Throughout the October nights, Rockville encounters a low-temperature of 49.8°F (9.9°C).Humidity
In October, the average relative humidity is 76%.Rainfall
In Rockville, in October, it is raining for 11.7 days, with typically 2.48" (63mm) of accumulated precipitation. In Rockville, during the entire year, the rain falls for 156.4 days and collects up to 30.79" (782mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:08 pm EDT.
Sunshine
The average sunshine in October is 5.6h.UV index
The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In October, a regular UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October in Rockville?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Rockville have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Rockville, MD
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in October: 49.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in October
Rockville, MD
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Rockville, MD
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Rockville, MD
- Average humidity in October: 76%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in October
Rockville, MD
- Average rainfall in October: 2.48"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in October
Rockville, MD
- Average rainfall days in October: 11.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in October
Rockville, MD
- Average snowfall in October: 0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Rockville, MD
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Rockville, MD
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in October
Rockville, MD
- Average sunshine days in October: 17.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in October
Rockville, MD
- Average UV index in October: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Rockville, MD
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Rockville, MD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rockville, Maryland, USA
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