October weather forecastBarnstable, MA
October
Weather in October
October welcomes Fall with cooling temperatures and the roar of the fall winds. Barnstable, Massachusetts prepares for a visual feast, with nature painting an array of warm colors across the town. The drop in average temperatures necessitates warmer attire. Despite shortening daylight hours, October maintains substantial sunshine. Lush landscapes slowly transform, as leaves change color, signaling the close approach of Winter.Temperature
The arrival of October signals a subtle shift in temperature, down from a comfortable 67.5°F (19.7°C) in September to a moderate 59.7°F (15.4°C). Barnstable, in the month of October, notes an average low temperature of 54.5°F (12.5°C), indicating a small decrease from the daytime highs.Humidity
The average relative humidity in October is 76%.Rainfall
The month with the most rainfall is October, when the rain falls for 12 days and typically aggregates up to 1.89" (48mm) of precipitation.Snowfall
In Barnstable, snow does not fall in May through November.Ocean temperature
In Barnstable, the average seawater temperature in October is 58.6°F (14.8°C).Note: Beware when you're in 58.6°F (14.8°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In October, the average length of the day is 11h and 4min.On the first day of the month, sunrise is at 6:38 am and sunset at 6:22 pm. On the last day of October, sunrise is at 7:12 am and sunset at 5:36 pm EDT.
Sunshine
In October, the average sunshine is 6.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Barnstable, MA
- Average high temperature in October: 59.7°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in October: 54.5°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in October
Barnstable, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Barnstable, MA
- Average wind speed in October: 14.2mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in October
Barnstable, MA
- Average humidity in October: 76%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in October
Barnstable, MA
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in October
Barnstable, MA
- Average rainfall days in October: 12 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in October
Barnstable, MA
- Average snowfall in October: 0"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in October
Barnstable, MA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in October
Barnstable, MA
- Average sea temperature in October: 58.7°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in October /
Average sunshine in October
Barnstable, MA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 6h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in October
Barnstable, MA
- Average sunshine days in October: 16.8 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in October
Barnstable, MA
- Average UV index in October: 3
The months with the highest UV index are 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
Barnstable, MA
- Average cloud cover in October: 40
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Barnstable, MA
- 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).





