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 to October brings a decrease in the average high-temperature, falling from a warm 75.2°F (24°C) in September to a refreshing 63.1°F (17.3°C). The nighttime temperature, during October, averages of 50.7°F (10.4°C).Humidity
In Riverdale, the average relative humidity in October is 75%.Rainfall
In Riverdale, New Jersey, during October, the rain falls for 8.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Riverdale, during the entire year, the rain falls for 106.1 days and collects up to 8.31" (211mm) of precipitation.Snowfall
In Riverdale, snow does not fall in May through November.Daylight
In Riverdale, the average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:53 pm EDT.
Sunshine
The average sunshine in October is 5.7h.UV index
The average daily maximum UV index in October in Riverdale is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Riverdale?
What is the average humidity in October in Riverdale?
How many days does it rain in October in Riverdale?
When it does not snow in Riverdale?
How many hours of daylight does Riverdale have in October?
When are sunrise and sunset in October in Riverdale?
How many hours of sunshine does Riverdale have in October?
What is the UV index intensity in October in Riverdale?
Average temperature in October
Riverdale, NJ
- Average high temperature in October: 63.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in October: 50.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in October
Riverdale, NJ
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Riverdale, NJ
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in October
Riverdale, NJ
- Average humidity in October: 75%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in October
Riverdale, NJ
- Average rainfall in October: 0.87"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in October
Riverdale, NJ
- Average rainfall days in October: 8.4 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in October
Riverdale, NJ
- Average snowfall in October: 0"
The month with the highest snowfall is December (0.35").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in October
Riverdale, NJ
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Riverdale, NJ
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Riverdale, NJ
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are May and June (15.9 days).
Average UV index in October
Riverdale, NJ
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Riverdale, NJ
- Average cloud cover in October: 41
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Riverdale, NJ
- 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).
Riverdale, New Jersey, USA
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