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 is the coldest month, with the temperature often reaching an average high of 36.1°F (2.3°C) and an average low of 21.9°F (-5.6°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In January, in Dearborn, the rain falls for 4.3 days. Throughout January, 0.91" (23mm) of precipitation is accumulated. In Dearborn, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 4.8 days. Throughout January, 2.09" (53mm) of snow is accumulated. Throughout the year, there are 17.5 snowfall days, and 7.09" (180mm) of snow is accumulated.Daylight
In Dearborn, the average length of the day in January is 9h and 46min.On the first day of the month, sunrise is at 7:39 am and sunset at 5:05 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:37 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Dearborn?
What is the month with the least sunshine?
How many hours of sunshine does Dearborn have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Dearborn, MO
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Dearborn, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Dearborn, MO
- Average wind speed in January: 9.7mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in January
Dearborn, MO
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Dearborn, MO
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in January
Dearborn, MO
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in January
Dearborn, MO
- Average snowfall in January: 2.09"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dearborn, MO
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dearborn, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Dearborn, MO
- Average sunshine days in January: 22 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Dearborn, MO
- Average UV index in January: 2
The months with the highest UV index are May, 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
Dearborn, MO
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Dearborn, MO
- 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).
Dearborn, Missouri, USA
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