December weather forecastSmithfield, OH
December
Weather in December
December, the first month of the winter in Smithfield, is still a cold month, with temperature in the range of an average low of 28°F (-2.2°C) and an average high of 39.7°F (4.3°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's frosty 49.1°F (9.5°C) to a wintry 39.7°F (4.3°C). Smithfield's temperature lowers to a mean of 28°F (-2.2°C) during the nights in December.Humidity
In Smithfield, Ohio, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Smithfield, Ohio, during the entire year, the rain falls for 147 days and collects up to 19.57" (497mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Smithfield, in December, snow falls for 5.9 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, there are 33.4 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 4:57 pm. On the last day of December, in Smithfield, sunrise is at 7:45 am and sunset at 5:07 pm EST.
Sunshine
In December, the average sunshine in Smithfield is 3.6h.UV index
The month with the lowest UV index in Smithfield is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Smithfield, OH
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Smithfield, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Smithfield, OH
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in December
Smithfield, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Smithfield, OH
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Smithfield, OH
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Smithfield, OH
- Average snowfall in December: 1.89"
The months with the highest snowfall are February and March (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Smithfield, OH
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, OH
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Smithfield, OH
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Smithfield, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Smithfield, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Smithfield, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
