October weather forecastArnold, MD
October
Weather in October
October, the same as September, is another comfortable autumn month in Arnold, Maryland, with an average temperature ranging between min 52.9°F (11.6°C) and max 65.5°F (18.6°C).Temperature
In the transition to October, Arnold observes a drop in the average high-temperature, moving from a moderately hot 77.4°F (25.2°C) in September to an enjoyable 65.5°F (18.6°C). Arnold encounters an average low-temperature of 52.9°F (11.6°C) during October nights.Humidity
In Arnold, the average relative humidity in October is 75%.Rainfall
In October, the rain falls for 11.3 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.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 7:02 am and sunset at 6:48 pm. On the last day of October, in Arnold, sunrise is at 7:33 am and sunset at 6:06 pm EDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in October interprets into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Arnold, MD
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in October: 52.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in October
Arnold, MD
- Average pressure in October: 30.03"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
Arnold, MD
- Average wind speed in October: 8.1mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in October
Arnold, MD
- Average humidity in October: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in October
Arnold, MD
- Average rainfall in October: 2.64"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in October
Arnold, MD
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in October
Arnold, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Arnold, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.4 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
Arnold, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in October
Arnold, MD
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in October
Arnold, 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, November and December (UV index 2).
Average cloud cover in October
Arnold, MD
- Average cloud cover in October: 37
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in October
Arnold, MD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





