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
October brings a minor decrease, with the average high-temperature reducing from a moderately hot 74.1°F (23.4°C) in September to an enjoyable 63.5°F (17.5°C). During the month of October, the temperature generally drops to a low average of 52.9°F (11.6°C).Humidity
The average relative humidity in October is 77%.Rainfall
In Jerseyville, in October, it is raining for 13.1 days, with typically 2.72" (69mm) of accumulated precipitation. In Jerseyville, during the entire year, the rain falls for 162 days and collects up to 32.2" (818mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Jerseyville, during the entire year, snow falls for 17 days and aggregates up to 5.55" (141mm) of snow.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:53 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:26 am and sunset at 5:54 pm EDT.
Sunshine
In Jerseyville, the average sunshine in October is 5.8h.UV index
In Jerseyville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Jerseyville, NJ
- Average high temperature in October: 63.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in October: 52.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in October
Jerseyville, NJ
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Jerseyville, NJ
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in October
Jerseyville, NJ
- Average humidity in October: 77%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in October
Jerseyville, NJ
- Average rainfall in October: 2.72"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in October
Jerseyville, NJ
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in October
Jerseyville, NJ
- Average snowfall in October: 0.16"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Jerseyville, NJ
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Jerseyville, NJ
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 5min
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
Jerseyville, NJ
- Average sunshine days in October: 16.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in October
Jerseyville, 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
Jerseyville, NJ
- Average cloud cover in October: 39
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in October
Jerseyville, 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).
Jerseyville, New Jersey, USA
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