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
Denver's coldest weather arrives in January, when temperatures average a high of 23.9°F (-4.5°C) and a low of 11.3°F (-11.5°C).Humidity
The most humid month in Denver is January, with an average relative humidity of 87%.Rainfall
The month with the least rainfall in Denver, Iowa, is January, when the rain falls for 3.9 days and typically collects 0.98" (25mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Denver. The month with the most snowfall is January, when snow falls for 11.8 days and typically aggregates up to 4.45" (113mm) of snow.Daylight
In Denver, the average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:46 pm. On the last day of January, in Denver, sunrise is at 7:24 am and sunset at 5:20 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index in Denver, Iowa, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Denver?
How cold is January in Denver?
What is the most humid month in Denver?
What is the average humidity in January in Denver?
What is the driest month in Denver?
How many days does it rain in January in Denver?
When does it snow the most in Denver?
How much does it snow in Denver in January?
What is the average length of the day in January in Denver?
When is the sunrise / sunset in January in Denver?
What is the month with the least sunshine in Denver?
How many hours of sunshine does Denver have in January?
What are the months with the lowest UV index in Denver?
What is the UV index reading in January in Denver?
Average temperature in January
Denver, IA
- Average high temperature in January: 23.9°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 (23.9°F).
- Average low temperature in January: 11.3°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 (11.3°F).
Average pressure in January
Denver, 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
Denver, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Denver, 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 (72%).
Average rainfall in January
Denver, IA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Denver, IA
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in January
Denver, IA
- Average snowfall in January: 4.45"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Denver, IA
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Denver, 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
Denver, IA
- Average sunshine days in January: 16.5 days
The months with the most sunshine days are October, November and December (17.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in January
Denver, 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 and December (UV index 1).
Average cloud cover in January
Denver, 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
Denver, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Denver, Iowa, USA
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