January weather forecast
Mountain Valley, AR

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Weather in January

January, like December, is another chilly winter month in Mountain Valley, Arkansas, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 48.7°F (9.3°C).

Temperature

January, having an average high-temperature of 48.7°F (9.3°C) and an average low-temperature of 33.1°F (0.6°C), is the coldest month.

Humidity

The average relative humidity in January is 76%.

Rainfall

In Mountain Valley, Arkansas, in January, during 10.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Mountain Valley, during the entire year, the rain falls for 161.4 days and collects up to 38.94" (989mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In January, in Mountain Valley, it is snowing for 1.8 days. Throughout January, 0.87" (22mm) of snow is accumulated. Throughout the year, in Mountain Valley, there are 6.3 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

In January, the average length of the day is 10h and 9min.
On the first day of January, sunrise is at 7:19 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:40 pm CST.

Sunshine

In Mountain Valley, the average sunshine in January is 5.2h.

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 3 in January translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Temperature readings reach their annual highs in January, averaging 48.7°F (9.3°C) and a minimum average of 33.1°F (0.6°C).

What is the average January temperature?

The high-temperature, in January, in Mountain Valley, records 48.7°F (9.3°C), while the low-temperature is 33.1°F (0.6°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

How much does it rain in January?

In Mountain Valley, in January, during 10.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Mountain Valley, Arkansas, in January, during 1.8 snowfall days, 0.87" (22mm) of snow is typically accumulated.

How many hours of daylight does Mountain Valley have in January?

In January, the average day length is 10h and 9min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:19 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:40 pm CST.

How many hours of sunshine does Mountain Valley have in January?

The average sunshine duration in January is 5.2h.

How high is the UV index in January?

The average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Mountain Valley, AR

Average temperature in January - Mountain Valley, AR
  • Average high temperature in January: 48.7°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in January: 33.1°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in January
Mountain Valley, AR

Average pressure in January - Mountain Valley, AR
  • 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 (29.94"Hg).

Average wind speed in January
Mountain Valley, AR

Average wind speed in January - Mountain Valley, AR
  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in January
Mountain Valley, AR

Average humidity in January - Mountain Valley, AR
  • Average humidity in January: 76%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Mountain Valley, AR

Average rainfall in January - Mountain Valley, AR
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in January
Mountain Valley, AR

Average rainfall days in January - Mountain Valley, AR
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in January
Mountain Valley, AR

Average snowfall in January - Mountain Valley, AR
  • Average snowfall in January: 0.87"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Mountain Valley, AR

Average snowfall days in January - Mountain Valley, AR
  • Average snowfall days in January: 1.8 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Mountain Valley, AR

Average daylight in January / Average sunshine in January - Mountain Valley, AR
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in January
Mountain Valley, AR

Average sunshine days in January - Mountain Valley, AR
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in January
Mountain Valley, AR

Average UV index in January - Mountain Valley, AR
  • Average UV index in January: 3

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

Average cloud cover in January
Mountain Valley, AR

Average cloud cover in January - Mountain Valley, AR
  • Average cloud cover in January: 41

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in January
Mountain Valley, AR

Average visibility in January - Mountain Valley, AR
  • Average visibility in January: 5mi

The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).

Mountain Valley, Arkansas, USA

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