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
October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 81.3°F (27.4°C) in September to an agreeable 69.3°F (20.7°C). During the month of October, the temperature in Rockville, Virginia, generally drops to a low average of 51.8°F (11°C).Humidity
In Rockville, Virginia, the average relative humidity in October is 75%.Rainfall
In Rockville, Virginia, in October, it is raining for 10.5 days, with typically 2.2" (56mm) of accumulated precipitation. In Rockville, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
May through October are months without snowfall in Rockville.Daylight
In Rockville, the average length of the day in October is 11h and 13min.On the first day of October in Rockville, sunrise is at 7:06 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:12 pm EDT.
Sunshine
In Rockville, the average sunshine in October is 5.7h.UV index
The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are October temperatures in Rockville?
What is the average humidity in October in Rockville?
How much does it rain in Rockville in October?
When it does not snow in Rockville?
Does it snow in Rockville in October?
What is the average length of the day in October in Rockville?
When is the sunrise / sunset in October in Rockville?
How long on average sun shines in October in Rockville?
What is the UV index intensity in October in Rockville?
Average temperature in October
Rockville, VA
- Average high temperature in October: 69.3°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in October: 51.8°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in October
Rockville, VA
- 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, VA
- Average wind speed in October: 6.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in October
Rockville, VA
- Average humidity in October: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in October
Rockville, VA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in October
Rockville, VA
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in October
Rockville, VA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Rockville, VA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.5 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, VA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in October
Rockville, VA
- Average sunshine days in October: 18.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in October
Rockville, VA
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Rockville, VA
- Average cloud cover in October: 38
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in October
Rockville, VA
- 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, Virginia, USA
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