January weather forecast
Amherst, CO

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Weather in January

January, like December, in Amherst, Colorado, is another cold winter month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 40.1°F (4.5°C).

Temperature

Amherst's weather in January, with an average high-temperature of a still cold 40.1°F (4.5°C), subtly shifts from December's 39.2°F (4°C). Throughout January, Amherst experiences a low-temperature average of 23.9°F (-4.5°C).

Humidity

The months with the highest humidity in Amherst are January and February, with an average relative humidity of 66%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.8 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Amherst, Colorado, are January through May, October through December. In Amherst, during January, snow falls for 8 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.

Daylight

In Amherst, the average length of the day in January is 9h and 40min.
On the first day of January, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:04 pm MST.

Sunshine

The average sunshine in January in Amherst is 6.4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Resources | Updated: Feb 10, 2024 | Published by: Weather U.S.

Frequently asked questions

How cold is it in Amherst in January?

The high-temperature, in January, in Amherst, records 40.1°F (4.5°C), while the low-temperature is 23.9°F (-4.5°C).

What are the most humid months in Amherst?

The months with the highest humidity in Amherst, Colorado, are January and February, with an average relative humidity of 66%.

What is the average humidity in January in Amherst?

The average relative humidity in January in Amherst, Colorado, is 66%.

What is the driest month in Amherst?

The month with the least rainfall is January, when the rain falls for 5.8 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January in Amherst?

In January, in Amherst, the rain falls for 5.8 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

How much does it snow in Amherst in January?

In Amherst, Colorado, in January, during 8 snowfall days, 2.17" (55mm) of snow is typically accumulated.

How many hours of daylight does Amherst have in January?

The average day length in January is 9h and 40min.

When is the sunrise / sunset in January in Amherst?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, in Amherst, Colorado, sunrise is at 6:59 am and sunset at 5:04 pm MST.

How many hours of sunshine does Amherst have in January?

In Amherst, the average sunshine duration in January is 6.4h.

What is the month with the lowest UV index in Amherst?

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

What is the UV index intensity in January in Amherst?

The average daily maximum UV index in January in Amherst, Colorado, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Amherst, CO

Average temperature in January - Amherst, CO
  • Average high temperature in January: 40.1°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 (39.2°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure in January
Amherst, CO

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

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in January
Amherst, CO

Average wind speed in January - Amherst, CO
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

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Average humidity in January
Amherst, CO

Average humidity in January - Amherst, CO
  • Average humidity in January: 66%

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).

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Average rainfall in January
Amherst, CO

Average rainfall in January - Amherst, CO
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Amherst, CO

Average rainfall days in January - Amherst, CO
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).

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Average snowfall in January
Amherst, CO

Average snowfall in January - Amherst, CO
  • Average snowfall in January: 2.17"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Amherst, CO

Average snowfall days in January - Amherst, CO
  • Average snowfall days in January: 8 days

The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Amherst, 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 18min).

  • Average sunshine in January: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).

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Average sunshine days in January
Amherst, CO

Average sunshine days in January - Amherst, CO
  • Average sunshine days in January: 20.9 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in January
Amherst, CO

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

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

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Average cloud cover in January
Amherst, CO

Average cloud cover in January - Amherst, CO
  • Average cloud cover in January: 30

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in January
Amherst, CO

Average visibility in January - Amherst, 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).

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Amherst, Colorado, USA

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