January weather forecastRandolph, NH
January
Weather in January
January, like December, is a freezing cold winter month in Randolph, New Hampshire, with an average temperature ranging between min 9.9°F (-12.3°C) and max 23.2°F (-4.9°C).Temperature
Randolph's coldest temperatures are experienced in January, with average high temperatures of 23.2°F (-4.9°C) and lows of 9.9°F (-12.3°C).Humidity
January and February, with an average relative humidity of 88%, are the most humid months.Rainfall
In January, in Randolph, the rain falls for 9.3 days. Throughout January, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 168.4 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 19.8 days. Throughout January, 12.4" (315mm) of snow is accumulated. In Randolph, during the entire year, snow falls for 96.4 days and aggregates up to 60.94" (1548mm) of snow.Daylight
In Randolph, the average length of the day in January is 9h and 18min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:16 pm. On the last day of January, sunrise is at 7:04 am and sunset at 4:52 pm EST.
Sunshine
In January, the average sunshine is 3.8h.UV index
In January, the average daily maximum UV index in Randolph, New Hampshire, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Randolph, NH
- Average high temperature in January: 23.2°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in January: 9.9°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in January
Randolph, NH
- 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 (29.91"Hg).
Average wind speed in January
Randolph, NH
- Average wind speed in January: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Randolph, NH
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Randolph, NH
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Randolph, NH
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Randolph, NH
- Average snowfall in January: 12.4"
The month with the highest snowfall is February (12.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Randolph, NH
- Average snowfall days in January: 19.8 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Randolph, NH
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Randolph, NH
- Average sunshine days in January: 9.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in January
Randolph, NH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Randolph, NH
- Average cloud cover in January: 62
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in January
Randolph, NH
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).





