January weather forecast
Jacksonville, TX

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Weather in January

January, like December, is a moderate winter month in Jacksonville, Texas, with an average temperature varying between 55.4°F (13°C) and 39.2°F (4°C).

Temperature

In Jacksonville, January is the month with the lowest recorded average temperatures, measuring a high of 55.4°F (13°C) and a low of 39.2°F (4°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In Jacksonville, in January, during 9.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Jacksonville, during the entire year, the rain falls for 149.1 days and collects up to 32.32" (821mm) of precipitation.

Snowfall

January and February are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. In Jacksonville, during the entire year, snow falls for 1.8 days and aggregates up to 0.87" (22mm) of snow.

Daylight

In January, the average length of the day is 10h and 20min.
On the first day of the month, sunrise is at 7:21 am and sunset at 5:27 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:53 pm CST.

Sunshine

In Jacksonville, the average sunshine in January is 5.3h.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Jacksonville's coldest month, January, generally records average temperatures ranging from a high of 55.4°F (13°C) to a low of 39.2°F (4°C).

What is the usual temperature for Jacksonville in January?

In January, the average high-temperature and low-temperature are 55.4°F (13°C) and 39.2°F (4°C) respectively.

What is the average humidity in January in Jacksonville?

In January, the average relative humidity is 76%.

How many days does it rain in January?

In Jacksonville, in January, it is raining for 9.3 days, with typically 2.13" (54mm) of accumulated precipitation.

When does it start snowing?

January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow.

How many hours of daylight does Jacksonville have in January?

In Jacksonville, the average day length in January is 10h and 20min.

What time are sunrise and sunset in January in Jacksonville?

On the first day of January, sunrise is at 7:21 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:53 pm CST.

How many hours of sunshine does Jacksonville have in January?

In January, the average sunshine duration is 5.3h.

When is the lowest UV index?

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

What is the UV index intensity in January?

In Jacksonville, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from 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
Jacksonville, TX

Average temperature in January - Jacksonville, TX
  • Average high temperature in January: 55.4°F

The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in January: 39.2°F

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

Average pressure in January
Jacksonville, TX

Average pressure in January - Jacksonville, 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).

Average wind speed in January
Jacksonville, TX

Average wind speed in January - Jacksonville, TX
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).

Average humidity in January
Jacksonville, TX

Average humidity in January - Jacksonville, TX
  • Average humidity in January: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (66%).

Average rainfall in January
Jacksonville, TX

Average rainfall in January - Jacksonville, TX
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is October (3.74").
The driest months (with the least rainfall) are July and August (1.89").

Average rainfall days in January
Jacksonville, TX

Average rainfall days in January - Jacksonville, TX
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in January
Jacksonville, TX

Average snowfall in January - Jacksonville, TX
  • Average snowfall in January: 0.35"

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

Average snowfall days in January
Jacksonville, TX

Average snowfall days in January - Jacksonville, TX
  • Average snowfall days in January: 0.6 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in January / Average sunshine in January - Jacksonville, 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 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in January
Jacksonville, TX

Average sunshine days in January - Jacksonville, TX
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (13.6 days).

Average UV index in January
Jacksonville, TX

Average UV index in January - Jacksonville, 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, November and December (UV index 3).

Average cloud cover in January
Jacksonville, TX

Average cloud cover in January - Jacksonville, TX
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Jacksonville, TX

Average visibility in January - Jacksonville, TX
  • Average visibility in January: 6mi

The months with the highest visibility are January, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, April and May (5mi).

Jacksonville, Texas, USA

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