January weather forecast
Masonville, CO

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Weather in January

January, the same as December, is another cold winter month in Masonville, Colorado, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 37.9°F (3.3°C).

Temperature

Masonville commences January with an average high-temperature of a still wintry 37.9°F (3.3°C), maintaining a close resemblance to the previous month. Throughout January, an average nighttime temperature of 20.3°F (-6.5°C) is experienced.

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 1.2 days and accumulates 0.12" (3mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 2.8 days. Throughout January, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 21.2 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

The average length of the day in January in Masonville, Colorado, is 9h and 40min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:17 pm MST.

Sunshine

In Masonville, Colorado, the average sunshine in January is 7h.

UV index

January, February, November and 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 low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in January translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in January?

In January, in Masonville, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 20.3°F (-6.5°C).

What is the average humidity in January?

In January, the average relative humidity is 65%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 1.2 days and typically collects 0.12" (3mm) of precipitation.

How much does it rain in January?

In Masonville, in January, it is raining for 1.2 days, with typically 0.12" (3mm) of accumulated precipitation.

How many days does it snow in January?

In Masonville, Colorado, in January, during 2.8 snowfall days, 0.91" (23mm) of snow is typically accumulated.

How many hours of daylight does Masonville have in January?

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

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:17 pm MST.

How long on average sun shines in January?

In January, the average sunshine duration is 7h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Masonville, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Masonville, CO

Average temperature in January - Masonville, CO
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

Average pressure in January
Masonville, CO

Average pressure in January - Masonville, 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 June (29.9"Hg).

Average wind speed in January
Masonville, CO

Average wind speed in January - Masonville, CO
  • Average wind speed in January: 7.2mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
Masonville, CO

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

The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).

Average rainfall in January
Masonville, CO

Average rainfall in January - Masonville, CO
  • Average rainfall in January: 0.12"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").

Average rainfall days in January
Masonville, CO

Average rainfall days in January - Masonville, CO
  • Average rainfall days in January: 1.2 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).

Average snowfall in January
Masonville, CO

Average snowfall in January - Masonville, CO
  • Average snowfall in January: 0.91"

The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Masonville, CO

Average snowfall days in January - Masonville, CO
  • Average snowfall days in January: 2.8 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Masonville, 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: 7h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in January
Masonville, CO

Average sunshine days in January - Masonville, CO
  • Average sunshine days in January: 27.5 days

The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in January
Masonville, CO

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Masonville, CO

Average cloud cover in January - Masonville, CO
  • Average cloud cover in January: 22

The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in January
Masonville, CO

Average visibility in January - Masonville, 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).

Masonville, Colorado, USA

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