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
Transitioning from December to January, Dean observes an average high-temperature of a still cool 53.8°F (12.1°C), differing subtly from the previous month. Dean encounters an average low-temperature of 36°F (2.2°C) during January nights.Humidity
The average relative humidity in January is 58%.Rainfall
In Dean, in January, during 4.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 104.1 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Dean, during January, snow falls for 0.8 days and regularly aggregates up to 0.79" (20mm) of snow. In Dean, during the entire year, snow falls for 4.4 days and aggregates up to 2.64" (67mm) of snow.Daylight
The average length of the day in January is 10h and 12min.On the first day of the month, sunrise is at 7:38 am and sunset at 5:35 pm. On the last day of January, sunrise is at 7:30 am and sunset at 6:02 pm CST.
Sunshine
The average sunshine in January is 6.6h.UV index
In January, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during January leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! Reflection from snow can magnify 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 usual temperature for Dean in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Dean, TX
- Average high temperature in January: 53.8°F
The warmest month (with the highest average high temperature) is August (97.3°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in January: 36°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in January
Dean, TX
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Dean, TX
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is September (8.1mph).
Average humidity in January
Dean, TX
- Average humidity in January: 58%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Dean, TX
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in January
Dean, TX
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in January
Dean, TX
- Average snowfall in January: 0.79"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dean, TX
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Dean, TX
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in January
Dean, TX
- Average sunshine days in January: 24.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in January
Dean, TX
- Average UV index in January: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Dean, TX
- Average cloud cover in January: 24
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Dean, TX
- 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).
Dean, Texas, USA
Weather forecast for your location
2. Allow the app to use your location