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
January, with average temperatures reaching a high of 23.7°F (-4.6°C) and a low of 11.3°F (-11.5°C), is the coldest month.Humidity
With an average relative humidity of 88%, January is the most humid month in Stanley.Rainfall
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, in Stanley, Iowa, it is snowing for 9.8 days. Throughout January, 4.25" (108mm) of snow is accumulated. Throughout the year, in Stanley, there are 42.1 snowfall days, and 18.39" (467mm) of snow is accumulated.Daylight
In Stanley, the average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 7:37 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.6h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 1 in January leads to these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Stanley?
How cold is January in Stanley?
What is the most humid month in Stanley?
What is the average humidity in January in Stanley?
What is the driest month in Stanley?
How much does it rain in Stanley in January?
How many days does it snow in January in Stanley?
How many hours of daylight does Stanley have in January?
When are sunrise and sunset in January in Stanley?
What is the month with the least sunshine in Stanley?
How long on average sun shines in January in Stanley?
When is the lowest UV index in Stanley?
How high is the UV index in January in Stanley?
Average temperature in January
Stanley, IA
- Average high temperature in January: 23.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in January: 11.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in January
Stanley, IA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Stanley, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Stanley, 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 (73%).
Average rainfall in January
Stanley, IA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is June (5").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Stanley, IA
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in January
Stanley, IA
- Average snowfall in January: 4.25"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Stanley, IA
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Stanley, 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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Stanley, IA
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Stanley, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Stanley, IA
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Stanley, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Stanley, Iowa, USA
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