January weather forecast
Grays Valley, MO

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Weather in January

January, like December, in Grays Valley, Missouri, is an icy winter month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 41.5°F (5.3°C).

Temperature

In Grays Valley, the lowest average temperatures are observed in January, with a high of 41.5°F (5.3°C) and a low of 26.2°F (-3.2°C).

Humidity

The average relative humidity in January in Grays Valley is 73%.

Rainfall

In Grays Valley, in January, it is raining for 6.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Grays Valley, during the entire year, the rain falls for 151.3 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In January, it is snowing for 4.8 days. Throughout January, 1.89" (48mm) of snow is accumulated. In Grays Valley, during the entire year, snow falls for 16.1 days and aggregates up to 6.97" (177mm) of snow.

Daylight

In Grays Valley, the average length of the day in January is 9h and 56min.
On the first day of January in Grays Valley, sunrise is at 7:30 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:38 pm CST.

Sunshine

With an average of 5.3h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Grays Valley?

Grays Valley's January weather, marked by an average high temperature of 41.5°F (5.3°C) and an average low temperature of 26.2°F (-3.2°C), is the coldest in the year.

How cold is January in Grays Valley?

The high-temperature during January is 41.5°F (5.3°C) and the low-temperature is 26.2°F (-3.2°C).

What is the average humidity in January in Grays Valley?

In January, the average relative humidity in Grays Valley, Missouri, is 73%.

How many days does it rain in January in Grays Valley?

In Grays Valley, Missouri, in January, it is raining for 6.8 days, with typically 1.61" (41mm) of accumulated precipitation.

How many days does it snow in January in Grays Valley?

In Grays Valley, during January, snow falls for 4.8 days and regularly aggregates up to 1.89" (48mm) of snow.

What is the average length of the day in January in Grays Valley?

The average day length in January in Grays Valley, Missouri, is 9h and 56min.

When is the sunrise / sunset in January in Grays Valley?

On the first day of January, sunrise is at 7:30 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Grays Valley?

With an average of 5.3h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Grays Valley?

In January, the average sunshine duration is 5.3h.

What is the month with the lowest UV index in Grays Valley?

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

What is the UV index intensity in January in Grays Valley?

In Grays Valley, Missouri, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Grays Valley, MO

Average temperature in January - Grays Valley, MO
  • Average high temperature in January: 41.5°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in January
Grays Valley, MO

Average pressure in January - Grays Valley, MO
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Grays Valley, MO

Average wind speed in January - Grays Valley, MO
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in January
Grays Valley, MO

Average humidity in January - Grays Valley, MO
  • Average humidity in January: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Grays Valley, MO

Average rainfall in January - Grays Valley, MO
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (5.51").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in January
Grays Valley, MO

Average rainfall days in January - Grays Valley, MO
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and December (6.8 days).

Average snowfall in January
Grays Valley, MO

Average snowfall in January - Grays Valley, MO
  • Average snowfall in January: 1.89"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Grays Valley, MO

Average snowfall days in January - Grays Valley, MO
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Grays Valley, MO

Average daylight in January / Average sunshine in January - Grays Valley, MO
  • 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 36min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in January
Grays Valley, MO

Average sunshine days in January - Grays Valley, MO
  • Average sunshine days in January: 19.9 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11 days).

Average UV index in January
Grays Valley, MO

Average UV index in January - Grays Valley, MO
  • Average UV index in January: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Grays Valley, MO

Average cloud cover in January - Grays Valley, MO
  • Average cloud cover in January: 42

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).

Average visibility in January
Grays Valley, MO

Average visibility in January - Grays Valley, MO
  • 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).

Grays Valley, Missouri, USA

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