January weather forecast
Thornton, TX

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Weather in January

January, like December, is another refreshing winter month in Thornton, Texas, with an average temperature ranging between min 40.3°F (4.6°C) and max 56.1°F (13.4°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 56.1°F (13.4°C) and a low of 40.3°F (4.6°C).

Humidity

The average relative humidity in January is 70%.

Rainfall

In January, in Thornton, the rain falls for 8.6 days. Throughout January, 2.05" (52mm) of precipitation is accumulated. In Thornton, Texas, during the entire year, the rain falls for 150.9 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

Months with snowfall are January through March. January is the first month it typically snows in Thornton. Throughout January, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. In Thornton, during the entire year, snow falls for 1.7 days and aggregates up to 0.79" (20mm) of snow.

Daylight

The average length of the day in January in Thornton is 10h and 23min.
On the first day of January, sunrise is at 7:25 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:59 pm CST.

Sunshine

The average sunshine in January in Thornton is 5.4h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 3 during January translates into the following guidance:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What time of the year is the coldest in Thornton?

Thornton, Texas, experiences its average lowest temperatures in January, reaching a peak of 56.1°F (13.4°C) and a minimum of 40.3°F (4.6°C).

What are the temperatures in Thornton in January?

The high-temperature, in January, in Thornton, is 56.1°F (13.4°C), while the low-temperature averages to 40.3°F (4.6°C).

What is the average humidity in January in Thornton?

The average relative humidity in January in Thornton is 70%.

How many days does it rain in January in Thornton?

In Thornton, in January, during 8.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When does it start snowing in Thornton?

January is the first month it typically snows in Thornton, Texas. Throughout January, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow.

What is the average length of the day in January in Thornton?

The average day length in January is 10h and 23min.

When is the sunrise / sunset in January in Thornton?

On the first day of January in Thornton, sunrise is at 7:25 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:59 pm CST.

How many hours of sunshine does Thornton have in January?

In Thornton, the average sunshine duration in January is 5.4h.

What is the month with the lowest UV index in Thornton?

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

What is the UV index reading in January in Thornton?

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Thornton, TX

Average temperature in January - Thornton, TX
  • Average high temperature in January: 56.1°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in January: 40.3°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 (40.3°F).

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Average pressure in January
Thornton, TX

Average pressure in January - Thornton, TX
  • 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 (29.92"Hg).

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Average wind speed in January
Thornton, TX

Average wind speed in January - Thornton, TX
  • Average wind speed in January: 9.2mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).

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Average humidity in January
Thornton, TX

Average humidity in January - Thornton, TX
  • Average humidity in January: 70%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in January
Thornton, TX

Average rainfall in January - Thornton, TX
  • Average rainfall in January: 2.05"

The wettest month (with the highest rainfall) is October (3.94").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in January
Thornton, TX

Average rainfall days in January - Thornton, TX
  • Average rainfall days in January: 8.6 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in January
Thornton, TX

Average snowfall in January - Thornton, TX
  • Average snowfall in January: 0.24"

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

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Average snowfall days in January
Thornton, TX

Average snowfall days in January - Thornton, TX
  • Average snowfall days in January: 0.4 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in January
Thornton, TX

Average sunshine days in January - Thornton, TX
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in January
Thornton, TX

Average UV index in January - Thornton, 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).

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Average cloud cover in January
Thornton, TX

Average cloud cover in January - Thornton, TX
  • Average cloud cover in January: 37

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in January
Thornton, TX

Average visibility in January - Thornton, 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).

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Thornton, Texas, USA

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