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
The shift from September to October in Rockville corresponds with a decrease in the average high-temperature, down to an enjoyable 65.5°F (18.6°C) from a moderately hot 77.9°F (25.5°C). October nights in Rockville are marked by an average temperature drop to a frosty 49.8°F (9.9°C).Humidity
The average relative humidity in October is 76%.Rainfall
In October, in Rockville, the rain falls for 11.7 days. Throughout October, 2.48" (63mm) of precipitation is accumulated. In Rockville, during the entire year, the rain falls for 156.4 days and collects up to 30.79" (782mm) of precipitation.Snowfall
In Rockville, snow does not fall in May through October.Daylight
In Rockville, 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
In October, the average sunshine is 5.6h.UV index
In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In October, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the usual temperature for Rockville in October?
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?
How many hours of daylight does Rockville have in October?
When are sunrise and sunset in October in Rockville?
How long on average sun shines in October in Rockville?
What is the UV index reading in October in Rockville?
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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