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
Old Lyme's October weather shows a moderate shift in high-temperatures, falling from September's agreeable 72.1°F (22.3°C) to a refreshing 61.7°F (16.5°C). The month of October records an average low-temperature of 50.5°F (10.3°C).Humidity
In Old Lyme, the average relative humidity in October is 76%.Rainfall
In Old Lyme, in October, during 8.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Old Lyme, there are 110.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 6:46 am and sunset at 6:30 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:45 pm EDT.
Sunshine
In October, the average sunshine is 6.2h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Old Lyme in October?
What is the average humidity in October in Old Lyme?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October in Old Lyme?
How many hours of sunshine does Old Lyme have in October?
What is the UV index intensity in October in Old Lyme?
Average temperature in October
Old Lyme, CT
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in October: 50.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in October
Old Lyme, CT
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Old Lyme, CT
- Average wind speed in October: 9.7mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in October
Old Lyme, CT
- Average humidity in October: 76%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Old Lyme, CT
- Average rainfall in October: 0.87"
The wettest month (with the highest rainfall) is December (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in October
Old Lyme, CT
- Average rainfall days in October: 8.9 days
The month with the highest number of rainy days is July (11.5 days).
The months with the least rainy days are February and November (6.6 days).
Average snowfall in October
Old Lyme, CT
- Average snowfall in October: 0"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Old Lyme, CT
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Old Lyme, CT
- 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in October
Old Lyme, CT
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (15.8 days).
Average UV index in October
Old Lyme, CT
- 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
Old Lyme, CT
- Average cloud cover in October: 40
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Old Lyme, CT
- 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 Lyme, Connecticut, USA
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