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 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, marked by an average high-temperature of 38.7°F (3.7°C) and a low-temperature of 31.6°F (-0.2°C), is the coldest month.Humidity
In South Wellfleet, the average relative humidity in January is 75%.Rainfall
In South Wellfleet, in January, during 8.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in South Wellfleet, Massachusetts, there are 136.1 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In South Wellfleet, in January, during 6.1 snowfall days, 0.91" (23mm) of snow is typically accumulated. In South Wellfleet, during the entire year, snow falls for 22.1 days and aggregates up to 2.95" (75mm) of snow.Daylight
The average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:07 am and sunset at 4:19 pm. On the last day of January, in South Wellfleet, Massachusetts, sunrise is at 6:53 am and sunset at 4:53 pm EST.
Sunshine
In January, the average sunshine in South Wellfleet is 4.5h.UV index
The months with the lowest UV index in South Wellfleet are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during January leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the coldest time of year in South Wellfleet?
How cold is it in South Wellfleet in January?
What is the average humidity in January in South Wellfleet?
How much does it rain in South Wellfleet in January?
How much does it snow in South Wellfleet in January?
How many hours of daylight does South Wellfleet have in January?
What time are sunrise and sunset in January in South Wellfleet?
How many hours of sunshine does South Wellfleet have in January?
What is the month with the lowest UV index in South Wellfleet?
How high is the UV index in January in South Wellfleet?
Average temperature in January
South Wellfleet, MA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 31.6°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in January
South Wellfleet, MA
- Average pressure in January: 29.99"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 Wellfleet, MA
- Average wind speed in January: 18.5mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in January
South Wellfleet, MA
- Average humidity in January: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
South Wellfleet, MA
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in January
South Wellfleet, MA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
South Wellfleet, MA
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
South Wellfleet, MA
- Average snowfall days in January: 6.1 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
South Wellfleet, MA
- Average daylight in January: 9h and 3min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in January
South Wellfleet, MA
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in January
South Wellfleet, 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 Wellfleet, MA
- Average cloud cover in January: 53
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
South Wellfleet, 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 Wellfleet, Massachusetts, USA
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