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
The coldest time of the year is January, with temperatures averaging a high of 38.3°F (3.5°C) and a low of 25.3°F (-3.7°C).Humidity
The average relative humidity in January in Smithfield is 79%.Rainfall
In Smithfield, during January, the rain falls for 7.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Smithfield, during the entire year, the rain falls for 147.9 days and collects up to 23.98" (609mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 7.2 days. Throughout January, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 25.8 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
In Smithfield, the average length of the day in January is 9h and 51min.On the first day of January, sunrise is at 7:58 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:01 pm EST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Smithfield.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Smithfield?
How cold does it get in Smithfield in January?
What is the average humidity in January in Smithfield?
How many days does it rain in January in Smithfield?
How much does it snow in Smithfield in January?
How many hours of daylight does Smithfield have in January?
When are sunrise and sunset in January in Smithfield?
What is the month with the least sunshine in Smithfield?
How long on average sun shines in January in Smithfield?
What are the months with the lowest UV index in Smithfield?
How high is the UV index in January in Smithfield?
Average temperature in January
Smithfield, KY
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 25.3°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in January
Smithfield, KY
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Smithfield, KY
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Smithfield, KY
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in January
Smithfield, KY
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Smithfield, KY
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Smithfield, KY
- Average snowfall in January: 1.22"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Smithfield, KY
- Average snowfall days in January: 7.2 days
The month with the highest number of snowfall days is January (7.2 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
Smithfield, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Smithfield, KY
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in January
Smithfield, KY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Smithfield, KY
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Smithfield, KY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Smithfield, Kentucky, USA
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