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 arrival of October suggests a slight decrease in the average high-temperature, moving from a pleasant 71.4°F (21.9°C) in September to a refreshing 62.6°F (17°C). Brookhaven encounters a small divergence from daytime high temperatures, averaging a low-temperature of 55.9°F (13.3°C) during October nights.Humidity
The average relative humidity in October is 73%.Rainfall
In Brookhaven, in October, it is raining for 14.5 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 156.2 rainfall days, and 30.2" (767mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Brookhaven, New York, the average length of the day in October is 11h and 7min.On the first day of October, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:48 pm EDT.
Sunshine
In October, the average sunshine is 6.1h.UV index
In Brookhaven, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during October translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Brookhaven have in October?
When are sunrise and sunset in October?
How long on average sun shines in October in Brookhaven?
What is the UV index intensity in October?
Average temperature in October
Brookhaven, NY
- Average high temperature in October: 62.6°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in October: 55.9°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in October
Brookhaven, NY
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Brookhaven, NY
- Average wind speed in October: 13mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in October
Brookhaven, NY
- Average humidity in October: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in October
Brookhaven, NY
- Average rainfall in October: 3.15"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in October
Brookhaven, NY
- Average rainfall days in October: 14.5 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in October
Brookhaven, NY
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Brookhaven, NY
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (5.4 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
Brookhaven, NY
- 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: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in October
Brookhaven, NY
- Average sunshine days in October: 14.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in October
Brookhaven, NY
- Average UV index in October: 4
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 and December (UV index 2).
Average cloud cover in October
Brookhaven, NY
- Average cloud cover in October: 40
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in October
Brookhaven, NY
- 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).
Brookhaven, New York, USA
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