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
With average high and low temperatures of 30.4°F (-0.9°C) and 18.5°F (-7.5°C) respectively, January is Dallas City's coldest month.Humidity
The average relative humidity in January in Dallas City is 81%.Rainfall
The months with the least rainfall in Dallas City are January and December Rain falls for 3.7 days and accumulates 0.47" (12mm) of rain.Snowfall
January through April, October through December are months with snowfall in Dallas City. January is the month with the most snowfall. Snow falls for 7.7 days and accumulates 1.1" (28mm) of snow.Daylight
In Dallas City, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:47 pm. On the last day of January, in Dallas City, sunrise is at 7:15 am and sunset at 5:20 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dallas City, Illinois. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Dallas City?
How cold is January in Dallas City?
What is the average humidity in January in Dallas City?
What is the driest month in Dallas City?
How many days does it rain in January in Dallas City?
What is the snowiest month in Dallas City?
How many days does it snow in January in Dallas City?
What is the average length of the day in January in Dallas City?
What time are sunrise and sunset in January in Dallas City?
What is the month with the least sunshine in Dallas City?
How many hours of sunshine does Dallas City have in January?
When is the lowest UV index in Dallas City?
How high is the UV index in January in Dallas City?
Average temperature in January
Dallas City, IL
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
Dallas City, IL
- 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 (29.9"Hg).
Average wind speed in January
Dallas City, IL
- Average wind speed in January: 10.4mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in January
Dallas City, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Dallas City, IL
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in January
Dallas City, IL
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in January
Dallas City, IL
- Average snowfall in January: 1.1"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Dallas City, IL
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dallas City, IL
- Average daylight in January: 9h and 4min
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 18min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Dallas City, IL
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index in January
Dallas City, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Dallas City, IL
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in January
Dallas City, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dallas City, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location