January weather forecast
Decatur, TX

Share

Weather in January

January, like December, in Decatur, Texas, is a cool winter month, with an average temperature varying between 54°F (12.2°C) and 37.4°F (3°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 54°F (12.2°C) and a low of 37.4°F (3°C).

Humidity

In Decatur, the average relative humidity in January is 62%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.7 days and accumulates 1.34" (34mm) of precipitation.

Snowfall

January through March and December are months with snowfall. In Decatur, during January, snow falls for 0.5 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 3.5 snowfall days, and 1.69" (43mm) of snow is accumulated.

Daylight

In Decatur, the average length of the day in January is 10h and 15min.
On the first day of the month, sunrise is at 7:33 am and sunset at 5:33 pm. On the last day of January, sunrise is at 7:26 am and sunset at 6:00 pm CST.

Sunshine

The average sunshine in January is 6.3h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Decatur. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 3 in January translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
[Resources]

Frequently asked questions

What is the coldest month in Decatur?

January, known for its average high temperature of 54°F (12.2°C) and an average low temperature of 37.4°F (3°C), is the coldest month in Decatur.

What is the average January temperature in Decatur?

An average high-temperature, in January, in Decatur, is 54°F (12.2°C) and the average low-temperature is 37.4°F (3°C).

What is the average humidity in January in Decatur?

In January, the average relative humidity in Decatur, Texas, is 62%.

What is the driest month in Decatur?

The month with the least rainfall is January, when the rain falls for 5.7 days and typically collects 1.34" (34mm) of precipitation.

How many days does it rain in January in Decatur?

In Decatur, Texas, in January, it is raining for 5.7 days, with typically 1.34" (34mm) of accumulated precipitation.

How much does it snow in Decatur in January?

In Decatur, Texas, in January, snow falls for 0.5 days, with typically accumulated 0.2" (5mm) of snow.

How many hours of daylight does Decatur have in January?

The average day length in January in Decatur, Texas, is 10h and 15min.

What time are sunrise and sunset in January in Decatur?

On the first day of January, sunrise is at 7:33 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 6:00 pm CST.

How long on average sun shines in January in Decatur?

In Decatur, Texas, the average sunshine duration in January is 6.3h.

When is the lowest UV index in Decatur?

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

What is the UV index reading in January in Decatur?

The average daily maximum UV index in January 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
Decatur, TX

Average temperature in January - Decatur, TX
  • Average high temperature in January: 54°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in January: 37.4°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

[Resources]

Average pressure in January
Decatur, TX

Average pressure in January - Decatur, 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 (29.89"Hg).

[Resources]

Average wind speed in January
Decatur, TX

Average wind speed in January - Decatur, TX
  • Average wind speed in January: 9.3mph

The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is September (7mph).

[Resources]

Average humidity in January
Decatur, TX

Average humidity in January - Decatur, TX
  • Average humidity in January: 62%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).

[Resources]

Average rainfall in January
Decatur, TX

Average rainfall in January - Decatur, TX
  • Average rainfall in January: 1.34"

The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is January (1.34").

[Resources]

Average rainfall days in January
Decatur, TX

Average rainfall days in January - Decatur, TX
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.7 days).

[Resources]

Average snowfall in January
Decatur, TX

Average snowfall in January - Decatur, TX
  • Average snowfall in January: 0.2"

The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in January
Decatur, TX

Average snowfall days in January - Decatur, TX
  • Average snowfall days in January: 0.5 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Decatur, TX
  • Average daylight in January: 10h and 1min

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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

[Resources]

Average sunshine days in January
Decatur, TX

Average sunshine days in January - Decatur, TX
  • Average sunshine days in January: 23.6 days

The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is May (13.5 days).

[Resources]

Average UV index in January
Decatur, TX

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

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

[Resources]

Average cloud cover in January
Decatur, TX

Average cloud cover in January - Decatur, TX
  • Average cloud cover in January: 27

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).

[Resources]

Average visibility in January
Decatur, TX

Average visibility in January - Decatur, 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).

[Resources]

Decatur, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location