January weather forecastRockwell, AR

January

Weather in January

January, the same as December, in Rockwell, Arkansas, is a frosty winter month, with an average temperature fluctuating between 33.4°F (0.8°C) and 49.3°F (9.6°C).

Temperature

In Rockwell, January records the lowest average temperatures, peaking at 49.3°F (9.6°C) and reaching a low of 33.4°F (0.8°C).

Humidity

In Rockwell, the average relative humidity in January is 76%.

Rainfall

In Rockwell, in January, it is raining for 9.2 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 147.7 rainfall days, and 33.23" (844mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Rockwell are January through March, November and December. In January, in Rockwell, it is snowing for 1.4 days. Throughout January, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 4.2 snowfall days, and 1.93" (49mm) of snow is accumulated.

Daylight

In Rockwell, the average length of the day in January is 10h and 10min.
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

The months with the least sunshine in Rockwell are January, February and December, with an average of 5.1h of sunshine.

UV index

In January, the average daily maximum UV index in Rockwell is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

In Rockwell, Arkansas, the average lowest temperatures are observed in January, with a high of 49.3°F (9.6°C) and a low of 33.4°F (0.8°C).

The average high-temperature, in January, in Rockwell, is 49.3°F (9.6°C), while the average low-temperature is 33.4°F (0.8°C).

The average relative humidity in January is 76%.

In Rockwell, Arkansas, in January, it is raining for 9.2 days, with typically 2.01" (51mm) of accumulated precipitation.

In Rockwell, Arkansas, during January, snow falls for 1.4 days and regularly aggregates up to 0.31" (8mm) of snow.

The average day length in January in Rockwell, Arkansas, is 10h and 10min.

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.

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Rockwell.

In Rockwell, the average sunshine duration in January is 5.1h.

In January, the average daily maximum UV index in Rockwell, Arkansas, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Rockwell, AR

  • Average high temperature in January: 49.3°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 (49.3°F).

  • Average low temperature in January: 33.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in January
Rockwell, 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
Rockwell, AR

  • Average wind speed in January: 6.7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in January
Rockwell, 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
Rockwell, AR

  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in January
Rockwell, AR

  • Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in January
Rockwell, AR

  • Average snowfall in January: 0.31"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Rockwell, AR

  • Average snowfall days in January: 1.4 days

The month with the highest number of snowfall days is February (1.7 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
Rockwell, AR

  • Average daylight in January: 10h and 12min

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 6min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in January
Rockwell, AR

  • Average sunshine days in January: 19.4 days

The months with the most sunshine days are January and October (19.4 days).
The month with the least sunshine days is August (13.5 days).

Average UV index in January
Rockwell, 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
Rockwell, AR

  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in January
Rockwell, 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).