January weather forecast
Sterling, CO

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Weather in January

The weather in Sterling, Colorado begins the year with the coldest temperatures. Comparatively, January experiences lower temperatures in relation to December and February. High humidity of 65% contributes to creating a frosty ambiance through the month. Nonetheless, the wintry weather has its charm as the month receives 1.77" (45mm) of snowfall, the second-highest for the year, spread across 6 days. The sun manages to break through despite the chill, offering around 6.7 sunshine hours on an average day.

Temperature

The transition into January in Sterling reveals an average high-temperature of a still icy 39°F (3.9°C), mirroring a close resemblance to December. Sterling's average low-temperature in the month of January is recorded at a subzero cold 23.9°F (-4.5°C).

Humidity

The most humid month is January, with an average relative humidity of 65%.

Rainfall

The month with the least rainfall in Sterling is January, when the rain falls for 4.8 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Sterling, in January, snow falls for 6 days, with typically accumulated 1.77" (45mm) of snow. Throughout the year, in Sterling, there are 34.4 snowfall days, and 12.13" (308mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:08 pm MST.

Sunshine

In Sterling, the average sunshine in January 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 in Sterling. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Sterling in January?

January temperatures vary between a high-temperature of 39°F (3.9°C) and a low-temperature of 23.9°F (-4.5°C).

What is the most humid month in Sterling?

With an average relative humidity of 65%, January is the most humid month in Sterling.

What is the average humidity in January in Sterling?

In January, the average relative humidity in Sterling, Colorado, is 65%.

What is the driest month in Sterling?

January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.35" (9mm) of precipitation.

How much does it rain in Sterling in January?

In January, in Sterling, the rain falls for 4.8 days. Throughout January, 0.35" (9mm) of precipitation is accumulated.

How many days does it snow in January in Sterling?

In Sterling, Colorado, during January, snow falls for 6 days and regularly aggregates up to 1.77" (45mm) of snow.

What is the average length of the day in January in Sterling?

In Sterling, Colorado, the average day length in January is 9h and 40min.

When are sunrise and sunset in January in Sterling?

On the first day of January in Sterling, Colorado, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:08 pm MST.

How long on average sun shines in January in Sterling?

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

When is the lowest UV index in Sterling?

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

How high is the UV index in January in Sterling?

In January, the average daily maximum UV index in Sterling, Colorado, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Sterling, CO

Average temperature in January - Sterling, CO
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in January: 23.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Average pressure in January
Sterling, CO

Average pressure in January - Sterling, 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 (29.83"Hg).

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Average wind speed in January
Sterling, CO

Average wind speed in January - Sterling, CO
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

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Average humidity in January
Sterling, CO

Average humidity in January - Sterling, CO
  • Average humidity in January: 65%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

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Average rainfall in January
Sterling, CO

Average rainfall in January - Sterling, CO
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in January
Sterling, CO

Average rainfall days in January - Sterling, CO
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in January
Sterling, CO

Average snowfall in January - Sterling, CO
  • Average snowfall in January: 1.77"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Sterling, CO

Average snowfall days in January - Sterling, CO
  • Average snowfall days in January: 6 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Sterling, 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 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

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Average sunshine days in January
Sterling, CO

Average sunshine days in January - Sterling, CO
  • Average sunshine days in January: 22.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in January
Sterling, CO

Average UV index in January - Sterling, 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).

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Average cloud cover in January
Sterling, CO

Average cloud cover in January - Sterling, CO
  • Average cloud cover in January: 28

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in January
Sterling, CO

Average visibility in January - Sterling, 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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Sterling, Colorado, USA

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