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 month is January, with an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 12.2°F (-11°C).Humidity
January is the most humid month, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall. Rain falls for 3.6 days and accumulates 1.14" (29mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Winthrop. The month with the most snowfall is January, when snow falls for 11.3 days and typically aggregates up to 5.12" (130mm) of snow.Daylight
In Winthrop, the average length of the day in January is 9h and 29min.On the first day of January in Winthrop, Iowa, sunrise is at 7:36 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Winthrop are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 1 in January transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What month is the coldest in Winthrop?
How cold is it in Winthrop in January?
What is the most humid month in Winthrop?
What is the average humidity in January in Winthrop?
What is the driest month in Winthrop?
How much does it rain in Winthrop in January?
When does it snow the most in Winthrop?
How much does it snow in Winthrop in January?
What is the average length of the day in January in Winthrop?
When is the sunrise / sunset in January in Winthrop?
What is the month with the least sunshine in Winthrop?
How many hours of sunshine does Winthrop have in January?
When is the lowest UV index in Winthrop?
What is the UV index reading in January in Winthrop?
Average temperature in January
Winthrop, IA
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 12.2°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 (12.2°F).
Average pressure in January
Winthrop, 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
Winthrop, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Winthrop, IA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Winthrop, IA
- Average rainfall in January: 1.14"
The wettest months (with the highest rainfall) are May and June (4.37").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Winthrop, IA
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in January
Winthrop, IA
- Average snowfall in January: 5.12"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Winthrop, IA
- Average snowfall days in January: 11.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Winthrop, IA
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Winthrop, IA
- Average sunshine days in January: 17.5 days
The months with the most sunshine days are January, October and November (17.5 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in January
Winthrop, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Winthrop, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Winthrop, 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).
Winthrop, Iowa, USA
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