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 start of October signals a decrease in the average high-temperature, transitioning from an agreeable 72.5°F (22.5°C) in September to a comfortable 62.4°F (16.9°C). Old Westbury, in October, registers a nighttime average temperature of 54.5°F (12.5°C).Humidity
In Old Westbury, the average relative humidity in October is 73%.Rainfall
In October, the rain falls for 9.2 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. In Old Westbury, during the entire year, the rain falls for 103.6 days and collects up to 7.83" (199mm) of precipitation.Snowfall
In Old Westbury, snow does not fall in April through November.Daylight
In October, the average length of the day is 11h and 6min.On the first day of October, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:51 pm EDT.
Sunshine
The average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In October, the UV index of 4 transforms into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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?
How many hours of daylight does Old Westbury have in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Old Westbury have in October?
What is the UV index intensity in October?
Average temperature in October
Old Westbury, NY
- Average high temperature in October: 62.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in October: 54.5°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in October
Old Westbury, 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
Old Westbury, NY
- Average wind speed in October: 11.2mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in October
Old Westbury, NY
- Average humidity in October: 73%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in October
Old Westbury, NY
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in October
Old Westbury, NY
- Average rainfall days in October: 9.2 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in October
Old Westbury, NY
- Average snowfall in October: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in October
Old Westbury, NY
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (4.4 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
Old Westbury, 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: 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 42min).
Average sunshine days in October
Old Westbury, NY
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in October
Old Westbury, 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
Old Westbury, NY
- Average cloud cover in October: 40
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in October
Old Westbury, 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).
Old Westbury, New York, USA
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