January weather forecast
Sulphur Rock, AR

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Weather in January

January, the same as December, in Sulphur Rock, Arkansas, is a frosty winter month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 45.1°F (7.3°C).

Temperature

In Sulphur Rock, Arkansas, January records the lowest average temperatures, peaking at 45.1°F (7.3°C) and reaching a low of 31.5°F (-0.3°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

In January, the rain falls for 9 days. Throughout January, 2.68" (68mm) of precipitation is accumulated. In Sulphur Rock, during the entire year, the rain falls for 158 days and collects up to 38.9" (988mm) of precipitation.

Snowfall

Months with snowfall in Sulphur Rock are January through March, November and December. In Sulphur Rock, in January, snow falls for 2.2 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 6.8 snowfall days, and 4.02" (102mm) of snow is accumulated.

Daylight

In January, the average length of the day in Sulphur Rock is 10h and 4min.
On the first day of the month, sunrise is at 7:15 am and sunset at 5:03 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:31 pm CST.

Sunshine

In January, the average sunshine is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What part of the year is the coldest in Sulphur Rock?

Sulphur Rock, Arkansas, notes the coldest temperatures in January, with a average high of 45.1°F (7.3°C) and a low of 31.5°F (-0.3°C).

What are the temperatures in Sulphur Rock in January?

Sulphur Rock in January has an average high-temperature of 45.1°F (7.3°C) and an average low-temperature of 31.5°F (-0.3°C).

What is the average humidity in January in Sulphur Rock?

The average relative humidity in January in Sulphur Rock, Arkansas, is 74%.

How many days does it rain in January in Sulphur Rock?

In Sulphur Rock, Arkansas, in January, during 9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many days does it snow in January in Sulphur Rock?

In Sulphur Rock, in January, snow falls for 2.2 days, with typically accumulated 0.75" (19mm) of snow.

What is the average length of the day in January in Sulphur Rock?

The average day length in January in Sulphur Rock is 10h and 4min.

When is the sunrise / sunset in January in Sulphur Rock?

On the first day of January in Sulphur Rock, Arkansas, sunrise is at 7:15 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:31 pm CST.

How long on average sun shines in January in Sulphur Rock?

The average sunshine duration in January in Sulphur Rock, Arkansas, is 5.3h.

What are the months with the lowest UV index in Sulphur Rock?

The months with the lowest UV index in Sulphur Rock, Arkansas, are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Sulphur Rock?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes 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
Sulphur Rock, AR

Average temperature in January - Sulphur Rock, AR
  • Average high temperature in January: 45.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in January: 31.5°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 (31.5°F).

Average pressure in January
Sulphur Rock, AR

Average pressure in January - Sulphur Rock, 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 (29.93"Hg).

Average wind speed in January
Sulphur Rock, AR

Average wind speed in January - Sulphur Rock, AR
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Sulphur Rock, AR

Average humidity in January - Sulphur Rock, AR
  • Average humidity in January: 74%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Sulphur Rock, AR

Average rainfall in January - Sulphur Rock, AR
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in January
Sulphur Rock, AR

Average rainfall days in January - Sulphur Rock, AR
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9 days).

Average snowfall in January
Sulphur Rock, AR

Average snowfall in January - Sulphur Rock, AR
  • Average snowfall in January: 0.75"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Sulphur Rock, AR

Average snowfall days in January - Sulphur Rock, AR
  • Average snowfall days in January: 2.2 days

The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Sulphur Rock, AR

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in January
Sulphur Rock, AR

Average sunshine days in January - Sulphur Rock, AR
  • Average sunshine days in January: 19 days

The months with the most sunshine days are November and December (19.1 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in January
Sulphur Rock, AR

Average UV index in January - Sulphur Rock, AR
  • Average UV index in January: 2

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

Average cloud cover in January
Sulphur Rock, AR

Average cloud cover in January - Sulphur Rock, AR
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in January
Sulphur Rock, AR

Average visibility in January - Sulphur Rock, AR
  • 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).

Sulphur Rock, Arkansas, USA

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