January weather forecastSeabrook, NH
January
Weather in January
The year starts in Seabrook, New Hampshire, with typical wintry weather, a keystone of the New England climate. Distinguished by its snow swathed landscape, this month exhibits the coldest temperatures of the year. Expect daytime highs hovering from 32.5°F (0.3°C) to 34.5°F (1.4°C) and chilly nights from 21.9°F (-5.6°C) to 23°F (-5°C). Expect the city to receive the year's highest snowfall with 3.27" (83mm) recorded over approximately eight days in the month. Cold wind gusts reaching up to 19mph (30.6km/h) add to the chilly atmosphere, so warm clothing is a necessity for outdoor activities.Temperature
January, with its high-temperature average of 32.5°F (0.3°C) and a low-temperature average of 21.9°F (-5.6°C), is the coldest month.Humidity
In January, the average relative humidity is 78%.Rainfall
In Seabrook, during January, the rain falls for 7.7 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Seabrook, there are 146.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
Months with snowfall in Seabrook are January through April, October through December. In Seabrook, during January, snow falls for 8.3 days and regularly aggregates up to 3.27" (83mm) of snow. In Seabrook, during the entire year, snow falls for 33 days and aggregates up to 15.24" (387mm) of snow.Daylight
In Seabrook, the average length of the day in January is 9h and 27min.On the first day of January, sunrise is at 7:14 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in January is 5.1h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Seabrook, NH
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Seabrook, NH
- 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 (29.92"Hg).
Average wind speed in January
Seabrook, NH
- Average wind speed in January: 12.1mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Seabrook, NH
- Average humidity in January: 78%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Seabrook, NH
- Average rainfall in January: 2.05"
The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Seabrook, NH
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
Seabrook, NH
- Average snowfall in January: 3.27"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Seabrook, NH
- Average snowfall days in January: 8.3 days
The months with the highest number of snowfall days are January and February (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Seabrook, NH
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Seabrook, NH
- Average sunshine days in January: 16.1 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.1 days).
Average UV index in January
Seabrook, NH
- 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
Seabrook, NH
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Seabrook, NH
- 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).
