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 onset of October entails a temperature shift, as the average high-temperature decreases from a warm 76.3°F (24.6°C) in September to an enjoyable 64.8°F (18.2°C). In the month of October, Riderwood witnesses a consistent average low-temperature of 50.2°F (10.1°C).Humidity
In October, the average relative humidity is 77%.Rainfall
In Riderwood, in October, it is raining for 7.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 102.3 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In October, the average length of the day in Riderwood is 11h and 9min.On the first day of October, sunrise is at 7:03 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:06 pm EDT.
Sunshine
The average sunshine in October is 5.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Riderwood have in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Riderwood, MD
- Average high temperature in October: 64.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in October: 50.2°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 (25.9°F).
Average pressure in October
Riderwood, 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
Riderwood, MD
- Average wind speed in October: 7.5mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in October
Riderwood, MD
- Average humidity in October: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Riderwood, MD
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in October
Riderwood, MD
- Average rainfall days in October: 7.3 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in October
Riderwood, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Riderwood, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.8 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
Riderwood, 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 24min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in October
Riderwood, MD
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in October
Riderwood, 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
Riderwood, MD
- Average cloud cover in October: 39
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Riderwood, 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).
Riderwood, Maryland, USA
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