January weather forecast
Hartman, CO

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Weather in January

January, like December, is a frosty winter month in Hartman, Colorado, with an average temperature varying between 27°F (-2.8°C) and 45.3°F (7.4°C).

Temperature

Hartman signifies an average high-temperature of a still chilly 45.3°F (7.4°C) in January, closely mirroring the 43.7°F (6.5°C) of December. During January, Hartman observes a consistent average nighttime temperature of 27°F (-2.8°C).

Humidity

January is the most humid month, with an average relative humidity of 59%.

Rainfall

In January, in Hartman, the rain falls for 3.2 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. In Hartman, during the entire year, the rain falls for 79.5 days and collects up to 8.9" (226mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Hartman, during January, snow falls for 4.3 days and regularly aggregates up to 1.54" (39mm) of snow. In Hartman, Colorado, during the entire year, snow falls for 19.6 days and aggregates up to 7.09" (180mm) of snow.

Daylight

In Hartman, the average length of the day in January is 9h and 53min.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:39 pm. On the last day of January, sunrise is at 6:54 am and sunset at 5:10 pm MST.

Sunshine

In Hartman, the average sunshine in January is 6.8h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. 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 mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

Hartman in January has an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 27°F (-2.8°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 59%.

What is the average humidity in January?

In Hartman, the average relative humidity in January is 59%.

How many days does it rain in January?

In January, the rain falls for 3.2 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

How much does it snow in Hartman in January?

In January, it is snowing for 4.3 days. Throughout January, 1.54" (39mm) of snow is accumulated.

How many hours of daylight does Hartman have in January?

The average day length in January is 9h and 53min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:05 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:10 pm MST.

How long on average sun shines in January?

In January, the average sunshine duration is 6.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Hartman, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Hartman, CO

Average temperature in January - Hartman, CO
  • Average high temperature in January: 45.3°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure in January
Hartman, CO

Average pressure in January - Hartman, CO
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in January
Hartman, CO

Average wind speed in January - Hartman, CO
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity in January
Hartman, CO

Average humidity in January - Hartman, CO
  • Average humidity in January: 59%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall in January
Hartman, CO

Average rainfall in January - Hartman, CO
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in January
Hartman, CO

Average rainfall days in January - Hartman, CO
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in January
Hartman, CO

Average snowfall in January - Hartman, CO
  • Average snowfall in January: 1.54"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Hartman, CO

Average snowfall days in January - Hartman, CO
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Hartman, CO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in January
Hartman, CO

Average sunshine days in January - Hartman, CO
  • Average sunshine days in January: 23.8 days

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in January
Hartman, CO

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in January
Hartman, CO

Average cloud cover in January - Hartman, CO
  • Average cloud cover in January: 23

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in January
Hartman, CO

Average visibility in January - Hartman, 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).

Hartman, Colorado, USA

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