October weather forecastOld Saybrook, CT
October
Weather in October
October in Old Saybrook demonstrates a pronounced autumn ambiance. The city is renowned for its splendid fall foliage in October, enhanced by moderate rainfall. As temperatures decline, the days shorten, and the winds pick up speed. October welcomes the first hints of frost as temperatures drop noticeably from the warm summer and early autumn months. With temperatures ranging from 50.5°F (10.3°C) to 61.9°F (16.6°C), October accrues a certain crispness in the air.Temperature
With October's onset, the average high-temperature recedes from September's pleasant 72.3°F (22.4°C) to a comfortable 61.9°F (16.6°C). October is noted for a mean low-temperature of 50.5°F (10.3°C).Humidity
The average relative humidity in October is 76%.Rainfall
In Old Saybrook, during October, the rain falls for 14.6 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Ocean temperature
In Old Saybrook, in October, the average water temperature is 62.8°F (17.1°C).Note: In water of 62.8°F (17.1°C), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
In October, the average length of the day in Old Saybrook 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 6.1h.UV index
In Old Saybrook, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Old Saybrook, CT
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in October: 50.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in October
Old Saybrook, 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 Saybrook, CT
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in October
Old Saybrook, CT
- Average humidity in October: 76%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Old Saybrook, CT
- Average rainfall in October: 3.46"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in October
Old Saybrook, CT
- Average rainfall days in October: 14.6 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall in October
Old Saybrook, CT
- Average snowfall in October: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Old Saybrook, CT
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Old Saybrook, CT
- Average sea temperature in October: 62.8°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in October /
Average sunshine in October
Old Saybrook, CT
- Average daylight in October: 11h and 6min
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 6min
The month with the most sunshine is 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 Saybrook, CT
- Average sunshine days in October: 14.1 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in October
Old Saybrook, 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 Saybrook, CT
- Average cloud cover in October: 41
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 29).
Average visibility in October
Old Saybrook, 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).
