January weather forecast
Randolph, NH

Share

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.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is the month when Randolph experiences its coldest temperatures, averaging a high of 23.2°F (-4.9°C) and a low of 9.9°F (-12.3°C).

How cold is it in January?

In January, in Randolph, the average high-temperature is 23.2°F (-4.9°C), and the average low-temperature is 9.9°F (-12.3°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 88%.

What is the average humidity in January in Randolph?

In January, the average relative humidity is 88%.

How much does it rain in January?

In January, in Randolph, New Hampshire, the rain falls for 9.3 days. Throughout January, 2.4" (61mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 19.8 days. Throughout January, 12.4" (315mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 18min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:21 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:52 pm EST.

How long on average sun shines in January?

In Randolph, the average sunshine duration in January is 3.8h.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Randolph, NH

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in January - Randolph, NH
  • Average daylight in January: 9h and 2min

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 5min

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 - 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 - 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 - 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 - 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).

Randolph, New Hampshire, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location