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
Siasconset's average high-temperature in January is a cold 40.3°F (4.6°C), indicating a subtle variation from December. January witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 32.9°F (0.5°C).Humidity
January, November and December, with an average relative humidity of 75%, are the least humid months.Rainfall
In Siasconset, Massachusetts, in January, during 11.1 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Siasconset, during the entire year, the rain falls for 153.1 days and collects up to 26.65" (677mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is January, when snow falls for 5.8 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In Siasconset, Massachusetts, the average length of the day in January is 9h and 36min.On the first day of the month, sunrise is at 7:05 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:52 am and sunset at 4:54 pm EST.
Sunshine
In January, the average sunshine is 4.6h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in January?
What is the least humid month?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in Siasconset in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Siasconset have in January?
What are the months with the lowest UV index in Siasconset?
What is the UV index reading in January?
Average temperature in January
Siasconset, MA
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is February (39.7°F).
- Average low temperature in January: 32.9°F
The month with the highest average low temperature is August (68.7°F).
The coldest month (with the lowest average low temperature) is February (32.5°F).
Average pressure in January
Siasconset, MA
- Average pressure in January: 30"Hg
The months with the highest atmospheric pressure are September and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Siasconset, MA
- Average wind speed in January: 18.5mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest month (with the lowest average wind speed) is August (11.8mph).
Average humidity in January
Siasconset, MA
- Average humidity in January: 75%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, November and December (75%).
Average rainfall in January
Siasconset, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in January
Siasconset, MA
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in January
Siasconset, MA
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Siasconset, MA
- Average snowfall days in January: 5.8 days
The month with the highest number of snowfall days is January (5.8 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
Siasconset, MA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in January
Siasconset, MA
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in January
Siasconset, 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 and December (UV index 2).
Average cloud cover in January
Siasconset, MA
- Average cloud cover in January: 52
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Siasconset, 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).
Siasconset, Massachusetts, USA
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