Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, recording an average high temperature of 38.5°F (3.6°C) and a low temperature of 30.6°F (-0.8°C), is South Yarmouth's coldest month.Humidity
In South Yarmouth, Massachusetts, the average relative humidity in January is 75%.Rainfall
In South Yarmouth, Massachusetts, during January, the rain falls for 8.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, in South Yarmouth, Massachusetts, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
January through April and December are months with snowfall in South Yarmouth. The month with the most snowfall in South Yarmouth is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.Ocean temperature
In January, the average ocean temperature is 41.5°F (5.3°C).Note: While a brief time in 41.5°F (5.3°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
The average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of January, in South Yarmouth, sunrise is at 6:53 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in January is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in South Yarmouth. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the coldest time of year in South Yarmouth?
Is January cold in South Yarmouth?
What is the average humidity in January in South Yarmouth?
How many days does it rain in January in South Yarmouth?
What is the snowiest month in South Yarmouth?
How many days does it snow in January in South Yarmouth?
How cold is the water in January in South Yarmouth?
What is the average length of the day in January in South Yarmouth?
What time are sunrise and sunset in January in South Yarmouth?
How long on average sun shines in January in South Yarmouth?
What is the month with the lowest UV index in South Yarmouth?
How high is the UV index in January in South Yarmouth?
Average temperature in January
South Yarmouth, MA
- Average high temperature in January: 38.5°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 January: 30.6°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 January
South Yarmouth, MA
- Average pressure in January: 30"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 January
South Yarmouth, MA
- Average wind speed in January: 16.8mph
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 January
South Yarmouth, MA
- Average humidity in January: 75%
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 January
South Yarmouth, MA
- Average rainfall in January: 1.06"
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 January
South Yarmouth, MA
- Average rainfall days in January: 8.4 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 January
South Yarmouth, MA
- Average snowfall in January: 0.87"
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 January
South Yarmouth, MA
- Average snowfall days in January: 6.4 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 January
South Yarmouth, MA
- Average sea temperature in January: 41.5°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 January /
Average sunshine in January
South Yarmouth, MA
- Average daylight in January: 9h and 4min
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 January: 4h and 5min
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 January
South Yarmouth, MA
- Average sunshine days in January: 15.4 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 January
South Yarmouth, MA
- Average UV index in January: 2
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 January
South Yarmouth, MA
- Average cloud cover in January: 48
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 January
South Yarmouth, MA
- Average visibility in January: 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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