January weather forecast
Williamsburg, CO

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Weather in January

January, like December, in Williamsburg, Colorado, is another cold winter month, with an average temperature varying between 19°F (-7.2°C) and 37°F (2.8°C).

Temperature

Williamsburg notes the coldest temperatures in January, with a high average of 37°F (2.8°C) and a low of 19°F (-7.2°C).

Humidity

January and February, with an average relative humidity of 69%, are the most humid months.

Rainfall

The months with the least rainfall are January and November Rain falls for 3.3 days and accumulates 0.31" (8mm) of rain.

Snowfall

January through May, October through December are months with snowfall in Williamsburg, Colorado. In Williamsburg, in January, during 6 snowfall days, 2.28" (58mm) of snow is typically accumulated. Throughout the year, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 51min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:21 pm MST.

Sunshine

In January, the average sunshine is 7.2h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Williamsburg. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest month in Williamsburg?

January stands out as Williamsburg's coldest month, with temperatures ranging between an average high of 37°F (2.8°C) and a low of 19°F (-7.2°C).

How cold is it in Williamsburg in January?

Williamsburg in January has an average high-temperature of 37°F (2.8°C) and an average low-temperature of 19°F (-7.2°C).

What are the most humid months in Williamsburg?

The months with the highest humidity are January and February, with an average relative humidity of 69%.

What is the average humidity in January in Williamsburg?

The average relative humidity in January in Williamsburg is 69%.

What is the driest month in Williamsburg?

January and November are months with the least rain in Williamsburg when the rain falls for 3.3 days and typically aggregates up to 0.31" (8mm) of rain.

How much does it rain in Williamsburg in January?

In Williamsburg, during January, the rain falls for 3.3 days and regularly aggregates up to 0.31" (8mm) of precipitation.

How much does it snow in Williamsburg in January?

In January, in Williamsburg, it is snowing for 6 days. Throughout January, 2.28" (58mm) of snow is accumulated.

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

In January, the average day length in Williamsburg is 9h and 51min.

When are sunrise and sunset in January in Williamsburg?

On the first day of January in Williamsburg, sunrise is at 7:17 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:21 pm MST.

How many hours of sunshine does Williamsburg have in January?

In Williamsburg, Colorado, the average sunshine duration in January is 7.2h.

When is the lowest UV index in Williamsburg?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Williamsburg.

What is the UV index reading in January in Williamsburg?

The average daily maximum UV index in January in Williamsburg, Colorado, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Williamsburg, CO

Average temperature in January - Williamsburg, CO
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in January
Williamsburg, CO

Average pressure in January - Williamsburg, CO
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in January
Williamsburg, CO

Average wind speed in January - Williamsburg, CO
  • Average wind speed in January: 7.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in January
Williamsburg, CO

Average humidity in January - Williamsburg, CO
  • Average humidity in January: 69%

The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).

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Average rainfall in January
Williamsburg, CO

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

The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").

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Average rainfall days in January
Williamsburg, CO

Average rainfall days in January - Williamsburg, CO
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in January
Williamsburg, CO

Average snowfall in January - Williamsburg, CO
  • Average snowfall in January: 2.28"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Williamsburg, CO

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

The month with the highest number of snowfall days is February (8.8 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
Williamsburg, CO

Average daylight in January / Average sunshine in January - Williamsburg, 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 30min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).

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Average sunshine days in January
Williamsburg, CO

Average sunshine days in January - Williamsburg, CO
  • Average sunshine days in January: 23.4 days

The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).

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Average UV index in January
Williamsburg, CO

Average UV index in January - Williamsburg, 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, October, November and December (UV index 2).

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Average cloud cover in January
Williamsburg, CO

Average cloud cover in January - Williamsburg, CO
  • Average cloud cover in January: 21

The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).

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Average visibility in January
Williamsburg, CO

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

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