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
The transition into October involves a small decrease in the average high-temperature, dipping slightly from a comfortable 67.1°F (19.5°C) in September to a still refreshing 59.9°F (15.5°C). In South Yarmouth, October's low temperatures hover around a fresh 54.7°F (12.6°C), reflecting a minor decrease from the daytime highs.Humidity
The average relative humidity in October in South Yarmouth is 76%.Rainfall
The month with the most rainfall is October, when the rain falls for 11.6 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
In South Yarmouth, snow does not fall in May through November.Ocean temperature
In South Yarmouth, Massachusetts, the average seawater temperature in October 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 in South Yarmouth, 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
In October, the average sunshine is 6.7h.UV index
In October, the average daily maximum UV index is 4. 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: In October, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for South Yarmouth in October?
What is the average humidity in October in South Yarmouth?
What is the rainiest month in South Yarmouth?
How many days does it rain in October in South Yarmouth?
When it does not snow in South Yarmouth?
What is the ocean temperature in October in South Yarmouth?
What is the average length of the day in October in South Yarmouth?
What time are sunrise and sunset in October in South Yarmouth?
How many hours of sunshine does South Yarmouth have in October?
How high is the UV index in October in South Yarmouth?
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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