January weather forecast
Rio Grande City, TX

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Weather in January

January, like December, is an agreeable winter month in Rio Grande City, Texas, with an average temperature fluctuating between 52.7°F (11.5°C) and 69.8°F (21°C).

Temperature

Rio Grande City's coldest month, January, generally records average temperatures ranging from a high of 69.8°F (21°C) to a low of 52.7°F (11.5°C).

Humidity

In Rio Grande City, Texas, the average relative humidity in January is 61%.

Rainfall

In Rio Grande City, in January, during 7.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Rio Grande City, during the entire year, the rain falls for 98.5 days and collects up to 13.11" (333mm) of precipitation.

Snowfall

January and February are months with snowfall in Rio Grande City. The months with the most snowfall days in Rio Grande City, Texas, are January and February, with an average of 0.1 snowfall days.

Daylight

The average length of the day in January is 10h and 43min.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:54 pm. On the last day of January, sunrise is at 7:20 am and sunset at 6:17 pm CST.

Sunshine

The average sunshine in January is 7.2h.

UV index

The average daily maximum UV index in January is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during January translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Rio Grande City?

January, with its average high-temperature of 69.8°F (21°C) and an average low-temperature of 52.7°F (11.5°C), holds the record as the coldest month.

What is the average January temperature in Rio Grande City?

In Rio Grande City, 69.8°F (21°C) is the average high-temperature and 52.7°F (11.5°C) is the average low-temperature during January.

What is the average humidity in January in Rio Grande City?

In Rio Grande City, Texas, the average relative humidity in January is 61%.

How much does it rain in Rio Grande City in January?

In Rio Grande City, Texas, in January, during 7.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When does it snow the most in Rio Grande City?

The months with the most snowfall days in Rio Grande City are January and February, with an average of 0.1 snowfall days.

When does it start snowing in Rio Grande City?

January is the first month it typically snows in Rio Grande City, Texas. Throughout January, there are 0.1 snowfall days.

What is the average length of the day in January in Rio Grande City?

In January, the average day length in Rio Grande City, Texas, is 10h and 43min.

When are sunrise and sunset in January in Rio Grande City?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 5:54 pm. On the last day of the month, in Rio Grande City, sunrise is at 7:20 am and sunset at 6:17 pm CST.

How long on average sun shines in January in Rio Grande City?

The average sunshine duration in January is 7.2h.

What is the UV index intensity in January in Rio Grande City?

In Rio Grande City, the average daily maximum UV index in January is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Rio Grande City, TX

Average temperature in January - Rio Grande City, TX
  • Average high temperature in January: 69.8°F

The warmest month (with the highest average high temperature) is August (100°F).
The month with the lowest average high temperature is January (69.8°F).

  • Average low temperature in January: 52.7°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).

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Average pressure in January
Rio Grande City, TX

Average pressure in January - Rio Grande City, TX
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

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Average wind speed in January
Rio Grande City, TX

Average wind speed in January - Rio Grande City, TX
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is December (9.2mph).

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Average humidity in January
Rio Grande City, TX

Average humidity in January - Rio Grande City, TX
  • Average humidity in January: 61%

The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in January
Rio Grande City, TX

Average rainfall in January - Rio Grande City, TX
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is September (2.56").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in January
Rio Grande City, TX

Average rainfall days in January - Rio Grande City, TX
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall days in January
Rio Grande City, TX

Average snowfall days in January - Rio Grande City, TX
  • Average snowfall days in January: 0.1 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in January /
Average sunshine in January
Rio Grande City, TX

Average daylight in January / Average sunshine in January - Rio Grande City, TX
  • Average daylight in January: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in January: 7h and 1min

The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in January
Rio Grande City, TX

Average sunshine days in January - Rio Grande City, TX
  • Average sunshine days in January: 21.7 days

The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is September (12.9 days).

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Average UV index in January
Rio Grande City, TX

Average UV index in January - Rio Grande City, TX
  • Average UV index in January: 5

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in January
Rio Grande City, TX

Average cloud cover in January - Rio Grande City, TX
  • Average cloud cover in January: 33

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in January
Rio Grande City, TX

Average visibility in January - Rio Grande City, 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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Rio Grande City, Texas, USA

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