January weather forecast
Grand Lake, CO

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Weather in January

January, like December, is a freezing cold winter month in Grand Lake, Colorado, with temperature in the range of an average high of 23.7°F (-4.6°C) and an average low of 2.5°F (-16.4°C).

Temperature

The initiation of January sees an average high-temperature of a still freezing cold 23.7°F (-4.6°C), showing minor variations from the previous month. In the month of January, Grand Lake records a consistent average low-temperature of 2.5°F (-16.4°C).

Humidity

January and February, with an average relative humidity of 88%, are the most humid months in Grand Lake.

Rainfall

In Grand Lake, in January, it is raining for 5.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 82.5 rainfall days, and 8.19" (208mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grand Lake are January through June, September through December. In January, in Grand Lake, it is snowing for 12 days. Throughout January, 4.02" (102mm) of snow is accumulated. Throughout the year, there are 90.8 snowfall days, and 39.13" (994mm) of snow is accumulated.

Daylight

In January, the average length of the day in Grand Lake, Colorado, is 9h and 42min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:20 pm MST.

Sunshine

The average sunshine in January is 5.8h.

UV index

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

How cold is January in Grand Lake?

During January, Grand Lake experiences an average high-temperature of 23.7°F (-4.6°C) and a low-temperature of 2.5°F (-16.4°C).

What are the most humid months in Grand Lake?

The months with the highest humidity in Grand Lake, Colorado, are January and February, with an average relative humidity of 88%.

What is the average humidity in January in Grand Lake?

In January, the average relative humidity in Grand Lake, Colorado, is 88%.

How much does it rain in Grand Lake in January?

In Grand Lake, in January, during 5.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

How many days does it snow in January in Grand Lake?

In Grand Lake, Colorado, in January, during 12 snowfall days, 4.02" (102mm) of snow is typically accumulated.

How many hours of daylight does Grand Lake have in January?

The average day length in January is 9h and 42min.

What time are sunrise and sunset in January in Grand Lake?

On the first day of January in Grand Lake, Colorado, sunrise is at 7:25 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:20 pm MST.

How long on average sun shines in January in Grand Lake?

The average sunshine duration in January in Grand Lake, Colorado, is 5.8h.

What is the UV index reading in January in Grand Lake?

In Grand Lake, Colorado, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Grand Lake, CO

Average temperature in January - Grand Lake, CO
  • Average high temperature in January: 23.7°F

The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (23.4°F).

  • Average low temperature in January: 2.5°F

The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).

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Average pressure in January
Grand Lake, CO

Average pressure in January - Grand Lake, CO
  • Average pressure in January: 30.2"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).

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Average wind speed in January
Grand Lake, CO

Average wind speed in January - Grand Lake, CO
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in January
Grand Lake, CO

Average humidity in January - Grand Lake, CO
  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in January
Grand Lake, CO

Average rainfall in January - Grand Lake, CO
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are September, November and December (0.39").

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Average rainfall days in January
Grand Lake, CO

Average rainfall days in January - Grand Lake, CO
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (3.3 days).

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Average snowfall in January
Grand Lake, CO

Average snowfall in January - Grand Lake, CO
  • Average snowfall in January: 4.02"

The month with the highest snowfall is April (6.81").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
Grand Lake, CO

Average snowfall days in January - Grand Lake, CO
  • Average snowfall days in January: 12 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are July and August (0.1 days).

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Average daylight in January /
Average sunshine in January
Grand Lake, CO

Average daylight in January / Average sunshine in January - Grand Lake, 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 24min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in January
Grand Lake, CO

Average sunshine days in January - Grand Lake, CO
  • Average sunshine days in January: 19 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.1 days).

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Average UV index in January
Grand Lake, CO

Average UV index in January - Grand Lake, CO
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Grand Lake, CO

Average cloud cover in January - Grand Lake, CO
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in January
Grand Lake, CO

Average visibility in January - Grand Lake, CO
  • Average visibility in January: 4mi

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

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Grand Lake, Colorado, USA

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