October weather forecastMarriottsville, MD
October
Weather in October
October, like September, in Marriottsville, Maryland, is another enjoyable autumn month, with an average temperature fluctuating between 48.4°F (9.1°C) and 64.4°F (18°C).Temperature
October comes with a decrease in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to a comfortable 64.4°F (18°C). During October, the nighttime temperature averages of 48.4°F (9.1°C).Humidity
In Marriottsville, the average relative humidity in October is 78%.Rainfall
In Marriottsville, during October, the rain falls for 12.2 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Marriottsville, during the entire year, the rain falls for 159 days and collects up to 31.61" (803mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 9min.On the first day of October, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:07 pm EDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
In Marriottsville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 3 in October transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Marriottsville, MD
- Average high temperature in October: 64.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in October: 48.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in October
Marriottsville, 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 (29.94"Hg).
Average wind speed in October
Marriottsville, MD
- Average wind speed in October: 7.2mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in October
Marriottsville, MD
- Average humidity in October: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in October
Marriottsville, MD
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in October
Marriottsville, MD
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in October
Marriottsville, MD
- Average snowfall in October: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Marriottsville, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Marriottsville, MD
- Average daylight in October: 11h and 12min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in October
Marriottsville, MD
- Average sunshine days in October: 16.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in October
Marriottsville, MD
- Average UV index in October: 3
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
Marriottsville, MD
- Average cloud cover in October: 41
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in October
Marriottsville, 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).
