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 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C).Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sheffield, in January, snow falls for 13.3 days, with typically accumulated 5.47" (139mm) of snow. Throughout the year, there are 56 snowfall days, and 24.45" (621mm) of snow is accumulated.Daylight
In Sheffield, Iowa, the average length of the day in January is 9h and 27min.On the first day of January in Sheffield, Iowa, sunrise is at 7:43 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:23 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Sheffield?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Sheffield have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Sheffield, IA
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in January
Sheffield, IA
- 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 (29.88"Hg).
Average wind speed in January
Sheffield, IA
- Average wind speed in January: 10.9mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in January
Sheffield, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Sheffield, IA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Sheffield, IA
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).
Average snowfall in January
Sheffield, IA
- Average snowfall in January: 5.47"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sheffield, IA
- Average snowfall days in January: 13.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sheffield, IA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Sheffield, IA
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Sheffield, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Sheffield, IA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Sheffield, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Sheffield, Iowa, USA
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