January weather forecastEdgartown, MA
January
Weather in January
The year kicks off in Edgartown with temperatures dipping to a low of 30.6°F (-0.8°C) and only as high as 38.7°F (3.7°C), making it a chilly start to the year. The town's landscape is typically white this month as it records snowfall of 0.94" (24mm) over an average of 5.3 days. The winds in January add to the cold atmosphere, blowing at a brisk pace. The sea temperature hovers in the low 40s°F, not conducive for any water-based activities. Despite the snow and cold, the scenery can often be stunning, especially on rare sunny days.Temperature
With its high average temperature of 38.7°F (3.7°C) and a low of 30.6°F (-0.8°C), January is regarded as the coldest month.Humidity
In January, the average relative humidity is 75%.Rainfall
In January, the rain falls for 9 days. Throughout January, 2.09" (53mm) of precipitation is accumulated. In Edgartown, during the entire year, the rain falls for 146.4 days and collects up to 25.47" (647mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Edgartown, during January, snow falls for 5.3 days and regularly aggregates up to 0.94" (24mm) of snow. In Edgartown, during the entire year, snow falls for 18.3 days and aggregates up to 3.94" (100mm) of snow.Ocean temperature
In Edgartown, in January, the average water temperature is 41.4°F (5.2°C).Note: With an efficient thermal swimsuit, one can navigate 41.4°F (5.2°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In January, the average length of the day is 9h and 35min.On the first day of January, sunrise is at 7:08 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:56 pm EST.
Sunshine
In Edgartown, the average sunshine in January is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Edgartown, MA
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Edgartown, 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 (29.94"Hg).
Average wind speed in January
Edgartown, MA
- Average wind speed in January: 16.2mph
The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in January
Edgartown, MA
- Average humidity in January: 75%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Edgartown, MA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").
Average rainfall days in January
Edgartown, MA
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in January
Edgartown, MA
- Average snowfall in January: 0.94"
The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Edgartown, MA
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Edgartown, MA
- Average sea temperature in January: 41.2°F
The best month for swimming (with the highest average sea temperature) is August (68.5°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in January /
Average sunshine in January
Edgartown, MA
- Average daylight in January: 9h and 36min
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 12min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Edgartown, MA
- Average sunshine days in January: 15.1 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in January
Edgartown, 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
Edgartown, MA
- Average cloud cover in January: 47
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Edgartown, 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).
