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
A shift in the average high-temperature occurs in October, reducing from an agreeable 71.6°F (22°C) in September to a moderate 57.7°F (14.3°C). In October, Greenwich experiences a temperature dip to an average of 42.6°F (5.9°C) at night.Humidity
The average relative humidity in October is 80%.Rainfall
In Greenwich, in October, during 11.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 123.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Greenwich, there are 37.3 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
In Greenwich, the average length of the day in October is 11h and 1min.On the first day of October, sunrise is at 6:52 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:46 pm EDT.
Sunshine
In Greenwich, New York, the average sunshine in October is 5.5h.UV index
In Greenwich, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, an average UV index of 3 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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 much does it rain in October?
When does it start snowing?
How many hours of daylight does Greenwich have 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
Greenwich, NY
- Average high temperature in October: 57.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in October
Greenwich, 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 (29.92"Hg).
Average wind speed in October
Greenwich, NY
- Average wind speed in October: 6.3mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in October
Greenwich, NY
- Average humidity in October: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Greenwich, NY
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is March (1.1").
Average rainfall days in October
Greenwich, NY
- Average rainfall days in October: 11.7 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in October
Greenwich, NY
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Greenwich, NY
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Greenwich, NY
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in October
Greenwich, NY
- Average sunshine days in October: 17 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in October
Greenwich, NY
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Greenwich, NY
- Average cloud cover in October: 46
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in October
Greenwich, NY
- Average visibility in October: 6mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
Greenwich, New York, USA
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