January weather forecast
Nelson, CO

Share

Weather in January

January, the same as December, is a wintry winter month in Nelson, Colorado, with an average temperature fluctuating between 23.5°F (-4.7°C) and 39.6°F (4.2°C).

Temperature

The arrival of January records an average high-temperature of a still cold 39.6°F (4.2°C), closely related to the 38.7°F (3.7°C) observed in December. Nelson experiences an average low-temperature of 23.5°F (-4.7°C) in month of January.

Humidity

January is the most humid month, with an average relative humidity of 64%.

Rainfall

January and December are months with the least rain when the rain falls for 4.4 days and typically aggregates up to 0.39" (10mm) of rain.

Snowfall

Months with snowfall in Nelson are January through May, October through December. In Nelson, during January, snow falls for 7.3 days and regularly aggregates up to 2.13" (54mm) of snow. In Nelson, during the entire year, snow falls for 33.8 days and aggregates up to 12.83" (326mm) of snow.

Daylight

In Nelson, the average length of the day in January is 9h and 41min.
On the first day of January, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:11 pm MST.

Sunshine

In January, the average sunshine in Nelson is 6.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

In January, in Nelson, the average high-temperature is 39.6°F (4.2°C), and the average low-temperature is 23.5°F (-4.7°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 64%.

What is the average humidity in January?

In January, the average relative humidity is 64%.

What is the driest month?

The months with the least rainfall are January and December Rain falls for 4.4 days and accumulates 0.39" (10mm) of rain.

How much does it rain in January?

In January, the rain falls for 4.4 days. Throughout January, 0.39" (10mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 7.3 days. Throughout January, 2.13" (54mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, in Nelson, sunrise is at 7:04 am and sunset at 5:11 pm MST.

How many hours of sunshine does Nelson have in January?

In Nelson, the average sunshine duration in January is 6.7h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January in Nelson?

In Nelson, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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
Nelson, CO

Average temperature in January - Nelson, CO
  • Average high temperature in January: 39.6°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

Average pressure in January
Nelson, CO

Average pressure in January - Nelson, CO
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Nelson, CO

Average wind speed in January - Nelson, CO
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).

Average humidity in January
Nelson, CO

Average humidity in January - Nelson, CO
  • Average humidity in January: 64%

The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (45%).

Average rainfall in January
Nelson, CO

Average rainfall in January - Nelson, CO
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").

Average rainfall days in January
Nelson, CO

Average rainfall days in January - Nelson, CO
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).

Average snowfall in January
Nelson, CO

Average snowfall in January - Nelson, CO
  • Average snowfall in January: 2.13"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Nelson, CO

Average snowfall days in January - Nelson, CO
  • Average snowfall days in January: 7.3 days

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Nelson, CO

Average daylight in January / Average sunshine in January - Nelson, CO
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 6h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

Average sunshine days in January
Nelson, CO

Average sunshine days in January - Nelson, CO
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in January
Nelson, CO

Average UV index in January - Nelson, CO
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Nelson, CO

Average cloud cover in January - Nelson, CO
  • Average cloud cover in January: 26

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in January
Nelson, CO

Average visibility in January - Nelson, CO
  • 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).

Nelson, Colorado, USA

Weather forecast for your location

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