January weather forecastPortia, AR
January
Weather in January
January, the same as December, in Portia, Arkansas, is another chilly winter month, with an average temperature varying between 31.5°F (-0.3°C) and 45.1°F (7.3°C).Temperature
Portia's January weather reaches an average high of 45.1°F (7.3°C) and an average low of 31.5°F (-0.3°C), making it the coldest month.Humidity
In Portia, the average relative humidity in January is 73%.Rainfall
In January, the rain falls for 8.7 days. Throughout January, 2.32" (59mm) of precipitation is accumulated. In Portia, during the entire year, the rain falls for 145.5 days and collects up to 35.47" (901mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In Portia, in January, during 2.7 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 7.1 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
In Portia, the average length of the day in January is 10h and 2min.On the first day of the month, sunrise is at 7:14 am and sunset at 5:00 pm. On the last day of January, in Portia, sunrise is at 7:05 am and sunset at 5:29 pm CST.
Sunshine
In Portia, the average sunshine in January is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Portia. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Portia, AR
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (89.4°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 (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in January
Portia, 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
Portia, AR
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Portia, AR
- Average humidity in January: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in January
Portia, AR
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is April (4.61").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in January
Portia, AR
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in January
Portia, AR
- Average snowfall in January: 0.59"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Portia, AR
- Average snowfall days in January: 2.7 days
The month with the highest number of snowfall days is January (2.7 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
Portia, AR
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Portia, AR
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is October (19.8 days).
The months with the least sunshine days are April and May (13.8 days).
Average UV index in January
Portia, 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
Portia, AR
- Average cloud cover in January: 42
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in January
Portia, 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).
