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
Smithfield's average high-temperature in January sits at a still freezing cold 29.5°F (-1.4°C), showing little difference from the previous month. An average low-temperature of 14.5°F (-9.7°C) is observed during January nights.Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is January, when the rain falls for 9.7 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 17.1 days and typically aggregates up to 16.02" (407mm) of snow.Daylight
The average length of the day in January is 9h and 33min.On the first day of January, sunrise is at 7:54 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:40 pm MST.
Sunshine
The month with the least sunshine in Smithfield is January, with an average of 4.9h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Smithfield. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 1 in January leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the wettest month?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Smithfield have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Smithfield, UT
- Average high temperature in January: 29.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in January: 14.5°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in January
Smithfield, UT
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Smithfield, UT
- Average wind speed in January: 4mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in January
Smithfield, UT
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
Smithfield, UT
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in January
Smithfield, UT
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is July (7.5 days).
Average snowfall in January
Smithfield, UT
- Average snowfall in January: 16.02"
The month with the highest snowfall is January (16.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Smithfield, UT
- Average snowfall days in January: 17.1 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Smithfield, UT
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Smithfield, UT
- Average sunshine days in January: 12.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in January
Smithfield, UT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Smithfield, UT
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
Smithfield, UT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Smithfield, Utah, USA
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