January weather forecast
Grapevine, TX

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Weather in January

January, the same as December, is another fresh winter month in Grapevine, Texas, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.8°F (3.8°C).

Temperature

Grapevine's coldest month, January, generally records average temperatures ranging from a high of 54.5°F (12.5°C) to a low of 38.8°F (3.8°C).

Humidity

In January, the average relative humidity in Grapevine is 63%.

Rainfall

In Grapevine, during January, the rain falls for 4.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Grapevine, during the entire year, the rain falls for 97.8 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

Months with snowfall are January through March. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Grapevine, during the entire year, snow falls for 1.8 days and aggregates up to 0.28" (7mm) of snow.

Daylight

In Grapevine, the average length of the day in January is 10h and 16min.
On the first day of January, sunrise is at 7:31 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:59 pm CST.

Sunshine

In Grapevine, the average sunshine in January is 6h.

UV index

The months with the lowest UV index 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 radiation for average individuals.
Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the coldest time of year?

January, with an average high of 54.5°F (12.5°C) and a low of 38.8°F (3.8°C), signifies the coldest month of the year.

What is the usual temperature for Grapevine in January?

The high-temperature, in January, in Grapevine, is 54.5°F (12.5°C), while the low-temperature averages to 38.8°F (3.8°C).

What is the average humidity in January?

In January, the average relative humidity is 63%.

How many days does it rain in January?

In Grapevine, during January, the rain falls for 4.5 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When does it start snowing?

January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in January?

In Grapevine, the average day length in January is 10h and 16min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:31 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:59 pm CST.

How many hours of sunshine does Grapevine have in January?

In Grapevine, the average sunshine duration in January is 6h.

When is the lowest UV index?

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

What is the UV index intensity in January?

In Grapevine, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Grapevine, TX

Average temperature in January - Grapevine, TX
  • Average high temperature in January: 54.5°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in January: 38.8°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in January
Grapevine, TX

Average pressure in January - Grapevine, 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 (29.9"Hg).

Average wind speed in January
Grapevine, TX

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

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

Average humidity in January
Grapevine, TX

Average humidity in January - Grapevine, TX
  • Average humidity in January: 63%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

Average rainfall in January
Grapevine, TX

Average rainfall in January - Grapevine, TX
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.39").

Average rainfall days in January
Grapevine, TX

Average rainfall days in January - Grapevine, TX
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is September (10.5 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in January
Grapevine, TX

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

The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January
Grapevine, TX

Average snowfall days in January - Grapevine, TX
  • Average snowfall days in January: 0.3 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 and October (0 days).

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

Average daylight in January / Average sunshine in January - Grapevine, 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: 6h and 0min

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 42min).

Average sunshine days in January
Grapevine, TX

Average sunshine days in January - Grapevine, TX
  • Average sunshine days in January: 25.1 days

The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (16.8 days).

Average UV index in January
Grapevine, TX

Average UV index in January - Grapevine, 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
Grapevine, TX

Average cloud cover in January - Grapevine, TX
  • Average cloud cover in January: 30

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in January
Grapevine, TX

Average visibility in January - Grapevine, 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).

Grapevine, Texas, USA

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