January weather forecast
Duncanville, TX

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Weather in January

January, the same as December, is a cool winter month in Duncanville, Texas, with an average temperature fluctuating between 54.7°F (12.6°C) and 39°F (3.9°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 54.7°F (12.6°C) and a low of 39°F (3.9°C).

Humidity

In January, the average relative humidity in Duncanville is 65%.

Rainfall

In Duncanville, during January, the rain falls for 5.6 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Duncanville, during the entire year, the rain falls for 126.7 days and collects up to 19.57" (497mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall in Duncanville. In January, it is snowing for 0.3 days. Throughout January, 0.04" (1mm) of snow is accumulated. Throughout the year, in Duncanville, there are 2 snowfall days, and 0.63" (16mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 17min.
On the first day of January, sunrise is at 7:29 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:59 pm CST.

Sunshine

In Duncanville, the average sunshine in January is 5.9h.

UV index

The months with the lowest UV index in Duncanville are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in January transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Duncanville?

January brings the lowest temperatures in Duncanville, with an average high of 54.7°F (12.6°C) and an average low of 39°F (3.9°C).

What are the temperatures in Duncanville in January?

The average high-temperature, in January, in Duncanville, is 54.7°F (12.6°C), while the average low-temperature is 39°F (3.9°C).

What is the average humidity in January in Duncanville?

In Duncanville, the average relative humidity in January is 65%.

How many days does it rain in January in Duncanville?

In January, in Duncanville, the rain falls for 5.6 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

How much does it snow in Duncanville in January?

In Duncanville, in January, during 0.3 snowfall days, 0.04" (1mm) of snow is typically accumulated.

How many hours of daylight does Duncanville have in January?

In January, the average day length is 10h and 17min.

When is the sunrise / sunset in January in Duncanville?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:59 pm CST.

How long on average sun shines in January in Duncanville?

In Duncanville, Texas, the average sunshine duration in January is 5.9h.

What are the months with the lowest UV index in Duncanville?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in January in Duncanville?

The average daily maximum UV index in January in Duncanville is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Duncanville, TX

Average temperature in January - Duncanville, TX
  • Average high temperature in January: 54.7°F

The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in January: 39°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average pressure in January
Duncanville, TX

Average pressure in January - Duncanville, 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 (29.91"Hg).

Average wind speed in January
Duncanville, TX

Average wind speed in January - Duncanville, TX
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

Average humidity in January
Duncanville, TX

Average humidity in January - Duncanville, TX
  • Average humidity in January: 65%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).

Average rainfall in January
Duncanville, TX

Average rainfall in January - Duncanville, TX
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in January
Duncanville, TX

Average rainfall days in January - Duncanville, TX
  • Average rainfall days in January: 5.6 days

The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in January
Duncanville, TX

Average snowfall in January - Duncanville, TX
  • Average snowfall in January: 0.04"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in January
Duncanville, TX

Average snowfall days in January - Duncanville, TX
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Duncanville, TX

Average daylight in January / Average sunshine in January - Duncanville, TX
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in January
Duncanville, TX

Average sunshine days in January - Duncanville, TX
  • Average sunshine days in January: 23.8 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is September (13.6 days).

Average UV index in January
Duncanville, TX

Average UV index in January - Duncanville, TX
  • Average UV index in January: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in January
Duncanville, TX

Average cloud cover in January - Duncanville, TX
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in January
Duncanville, TX

Average visibility in January - Duncanville, 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).

Duncanville, Texas, USA

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