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
October's arrival coincides with a drop in the average high-temperature, decreasing from September's agreeable 72.1°F (22.3°C) to an enjoyable 61.7°F (16.5°C). October nights in South Lyme experience a consistent temperature drop to a fresh 50.5°F (10.3°C).Humidity
In October, the average relative humidity in South Lyme is 76%.Rainfall
In October, in South Lyme, Connecticut, the rain falls for 8.9 days. Throughout October, 0.87" (22mm) of precipitation is accumulated. In South Lyme, Connecticut, during the entire year, the rain falls for 110.7 days and collects up to 8.58" (218mm) of precipitation.Snowfall
April through October are months without snowfall in South Lyme, Connecticut.Daylight
The average length of the day in October 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
The average sunshine in October is 6.2h.UV index
In South Lyme, Connecticut, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in October in South Lyme?
What is the average humidity in October in South Lyme?
How much does it rain in South Lyme in October?
When it does not snow in South Lyme?
Does it snow in South Lyme in October?
What is the average length of the day in October in South Lyme?
When is the sunrise / sunset in October in South Lyme?
How long on average sun shines in October in South Lyme?
How high is the UV index in October in South Lyme?
Average temperature in October
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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).
South Lyme, Connecticut, USA
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