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 average high-temperature decreases in October, shifting from a moderately hot 75.2°F (24°C) in September to a comfortable 63.3°F (17.4°C). Throughout October, the nighttime temperature in Iselin, New Jersey, averages to a fresh 50.9°F (10.5°C).Humidity
In October, the average relative humidity in Iselin, New Jersey, is 76%.Rainfall
In October, the rain falls for 8.6 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. In Iselin, during the entire year, the rain falls for 110.2 days and collects up to 8.9" (226mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Iselin, the average length of the day in October is 11h and 7min.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, in Iselin, sunrise is at 7:27 am and sunset at 5:54 pm EDT.
Sunshine
In Iselin, the average sunshine in October is 5.8h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during October leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Iselin in October?
What is the average humidity in October in Iselin?
How many days does it rain in October in Iselin?
When it does not snow in Iselin?
Does it snow in Iselin in October?
How many hours of daylight does Iselin have in October?
What time are sunrise and sunset in October in Iselin?
How long on average sun shines in October in Iselin?
What is the UV index intensity in October in Iselin?
Average temperature in October
Iselin, NJ
- Average high temperature in October: 63.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in October: 50.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in October
Iselin, 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
Iselin, NJ
- Average wind speed in October: 8.2mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in October
Iselin, NJ
- Average humidity in October: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall in October
Iselin, NJ
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in October
Iselin, NJ
- Average rainfall days in October: 8.6 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in October
Iselin, NJ
- Average snowfall in October: 0"
The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Iselin, NJ
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (4.2 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
Iselin, 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 18min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Iselin, NJ
- Average sunshine days in October: 19.8 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in October
Iselin, 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
Iselin, NJ
- Average cloud cover in October: 40
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in October
Iselin, 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).
Iselin, New Jersey, USA
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