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 a comfortable 67.1°F (19.5°C) in September to a still refreshing 59.9°F (15.5°C). South Yarmouth maintains a consistent average nighttime low-temperature of 54.7°F (12.6°C) throughout October.Humidity
In South Yarmouth, the average relative humidity in October is 76%.Rainfall
October is the month with the most rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.Snowfall
In South Yarmouth, snow does not fall in May through November.Ocean temperature
In South Yarmouth, Massachusetts, in October, the average water temperature is 58.6°F (14.8°C).Note: Entering waters of 58.6°F (14.8°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
The average length of the day in October is 11h and 4min.On the first day of October, sunrise is at 6:38 am and sunset at 6:22 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:36 pm EDT.
Sunshine
The average sunshine in October is 6.7h.UV index
In South Yarmouth, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 4 in October translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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
What is the temperature in October?
What is the average humidity in October?
What is the rainiest month?
How much does it rain in October?
When it does not snow?
How cold is the water in October?
How many hours of daylight does South Yarmouth have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
South Yarmouth, MA
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in October: 54.7°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in October
South Yarmouth, 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
South Yarmouth, MA
- Average wind speed in October: 14.8mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in October
South Yarmouth, MA
- Average humidity in October: 76%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in October
South Yarmouth, MA
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in October
South Yarmouth, MA
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in October
South Yarmouth, MA
- Average snowfall in October: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in October
South Yarmouth, MA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
South Yarmouth, 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
South Yarmouth, 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 months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in October
South Yarmouth, MA
- Average sunshine days in October: 16.5 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in October
South Yarmouth, MA
- Average UV index in October: 4
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
South Yarmouth, MA
- Average cloud cover in October: 39
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
South Yarmouth, 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).
South Yarmouth, Massachusetts, USA
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