January weather forecast
San Acacio, CO

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Weather in January

January, the same as December, in San Acacio, Colorado, is a freezing cold winter month, with an average temperature fluctuating between 9.3°F (-12.6°C) and 30.6°F (-0.8°C).

Temperature

San Acacio's January weather reaches an average high of 30.6°F (-0.8°C) and an average low of 9.3°F (-12.6°C), making it the coldest month.

Humidity

With an average relative humidity of 82%, January is the most humid month.

Rainfall

In San Acacio, Colorado, in January, it is raining for 3.2 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 72.2 rainfall days, and 8.82" (224mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In San Acacio, in January, during 9.3 snowfall days, 3.7" (94mm) of snow is typically accumulated. Throughout the year, there are 57.6 snowfall days, and 28.58" (726mm) of snow is accumulated.

Daylight

In San Acacio, the average length of the day in January is 9h and 57min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:25 pm MST.

Sunshine

With an average of 6.5h of sunshine, January has the least sunshine of the year.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 during January translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What part of the year is the coldest?

San Acacio's coldest month, January, generally records average temperatures ranging from a high of 30.6°F (-0.8°C) to a low of 9.3°F (-12.6°C).

How cold is it in January?

The average high-temperature, in January, in San Acacio, is 30.6°F (-0.8°C), while the average low-temperature is 9.3°F (-12.6°C).

What is the most humid month in San Acacio?

January is the most humid month, with an average relative humidity of 82%.

What is the average humidity in January?

The average relative humidity in January is 82%.

How much does it rain in January?

In San Acacio, in January, during 3.2 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How much does it snow in January?

In San Acacio, during January, snow falls for 9.3 days and regularly aggregates up to 3.7" (94mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 57min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:16 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:25 pm MST.

What is the month with the least sunshine?

With an average of 6.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

The average sunshine duration in January is 6.5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in January in San Acacio?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
San Acacio, CO

Average temperature in January - San Acacio, CO
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 9.3°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average pressure in January
San Acacio, CO

Average pressure in January - San Acacio, CO
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in January
San Acacio, CO

Average wind speed in January - San Acacio, CO
  • Average wind speed in January: 5.6mph

The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in January
San Acacio, CO

Average humidity in January - San Acacio, CO
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).

Average rainfall in January
San Acacio, CO

Average rainfall in January - San Acacio, CO
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").

Average rainfall days in January
San Acacio, CO

Average rainfall days in January - San Acacio, CO
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).

Average snowfall in January
San Acacio, CO

Average snowfall in January - San Acacio, CO
  • Average snowfall in January: 3.7"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").

Average snowfall days in January
San Acacio, CO

Average snowfall days in January - San Acacio, CO
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
San Acacio, CO

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 6h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

Average sunshine days in January
San Acacio, CO

Average sunshine days in January - San Acacio, CO
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in January
San Acacio, CO

Average UV index in January - San Acacio, CO
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in January
San Acacio, CO

Average cloud cover in January - San Acacio, CO
  • Average cloud cover in January: 31

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).

Average visibility in January
San Acacio, CO

Average visibility in January - San Acacio, CO
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

San Acacio, Colorado, USA

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