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 sea temperature 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 subtly correlates with a reduction in the average high-temperature, down from an enjoyable 67.5°F (19.7°C) in September to a still refreshing 59.7°F (15.4°C). Nights in Barnstable during October maintain a steady temperature, averaging at a cool 54.5°F (12.5°C).Humidity
In Barnstable, Massachusetts, the average relative humidity in October is 76%.Rainfall
October is the month with the most rainfall. Rain falls for 12 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through November are months without snowfall.Ocean temperature
In Barnstable, the average seawater temperature in October is 58.6°F (14.8°C).Note: Swimming in 58.6°F (14.8°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In Barnstable, the average length of the day in October 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, in Barnstable, sunrise is at 7:12 am and sunset at 5:36 pm EDT.
Sunshine
In Barnstable, the average sunshine in October is 6.6h.UV index
The average daily maximum UV index in October in Barnstable is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are October temperatures in Barnstable?
What is the average humidity in October in Barnstable?
What is the wettest month in Barnstable?
How much does it rain in Barnstable in October?
When it does not snow in Barnstable?
What is the ocean temperature in October in Barnstable?
What is the average length of the day in October in Barnstable?
When is the sunrise / sunset in October in Barnstable?
How long on average sun shines in October in Barnstable?
What is the UV index reading in October in Barnstable?
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 1min
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 4min
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).
Barnstable, Massachusetts, USA
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