Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the month when Rison sees the lowest average temperatures, with a high of 50.9°F (10.5°C) and a low of 35.2°F (1.8°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In Rison, during January, the rain falls for 10.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 145.6 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. In Rison, in January, during 0.9 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, in Rison, there are 3.7 snowfall days, and 1.1" (28mm) of snow is accumulated.Daylight
The average length of the day in January in Rison is 10h and 12min.On the first day of the month, sunrise is at 7:13 am and sunset at 5:10 pm. On the last day of January, in Rison, Arkansas, sunrise is at 7:06 am and sunset at 5:37 pm CST.
Sunshine
In January, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 3 in January translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Rison?
What are January temperatures in Rison?
What is the average humidity in January in Rison?
How many days does it rain in January in Rison?
How many days does it snow in January in Rison?
What is the average length of the day in January in Rison?
When is the sunrise / sunset in January in Rison?
How many hours of sunshine does Rison have in January?
What is the month with the lowest UV index in Rison?
What is the UV index intensity in January in Rison?
Average temperature in January
Rison, AR
- Average high temperature in January: 50.9°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in January
Rison, 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
Rison, AR
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Rison, AR
- Average humidity in January: 77%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Rison, AR
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is April (3.23").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in January
Rison, AR
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in January
Rison, AR
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Rison, AR
- Average snowfall days in January: 0.9 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
Rison, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Rison, AR
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is October (20.3 days).
The months with the least sunshine days are July and August (12.4 days).
Average UV index in January
Rison, AR
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Rison, AR
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in January
Rison, AR
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Rison, Arkansas, USA
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