Climate and monthly weather forecast
Crystal City, TX

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Weather in January

January, the same as December, is another enjoyable winter month in Crystal City, Texas, with an average temperature ranging between min 46.9°F (8.3°C) and max 64.8°F (18.2°C). January, with its average high-temperature of 64.8°F (18.2°C) and an average low-temperature of 46.9°F (8.3°C), holds the record as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Crystal City, is a pleasant month, with an average temperature varying between 50.5°F (10.3°C) and 69.6°F (20.9°C). In February, Crystal City notes an average high-temperature of an agreeable 69.6°F (20.9°C), hardly different from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Crystal City, Texas, with an average temperature varying between 77.5°F (25.3°C) and 57.4°F (14.1°C). The onset of March marks a slight increase in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in February to a warm 77.5°F (25.3°C). Weather in March »

Weather in April

April, the same as March, is another warm spring month in Crystal City, Texas, with an average temperature ranging between min 63.3°F (17.4°C) and max 84.9°F (29.4°C). A subtle rise in the average high-temperature is observed during April, adjusting from a moderately hot 77.5°F (25.3°C) in March to a still warm 84.9°F (29.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a tropical month in Crystal City, Texas, with an average temperature fluctuating between 90.7°F (32.6°C) and 70.3°F (21.3°C). With the transition into May, Crystal City experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 84.9°F (29.4°C) in April to a hot 90.7°F (32.6°C). Weather in May »

Weather in June

June, the first month of the summer in Crystal City, is a fiery hot month, with temperature in the range of an average low of 75.7°F (24.3°C) and an average high of 96.4°F (35.8°C). June brings a slight elevation in the average high-temperature, transitioning from May's hot 90.7°F (32.6°C) to a very hot 96.4°F (35.8°C). Weather in June »

Weather in July

July, like June, in Crystal City, Texas, is another fiery hot summer month, with an average temperature fluctuating between 98.2°F (36.8°C) and 77.4°F (25.2°C). Crystal City records a slight change with July's average high-temperatures adjusting to a still sweltering 98.2°F (36.8°C) from June's 96.4°F (35.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a sweltering month in Crystal City, Texas, with an average temperature ranging between min 79°F (26.1°C) and max 99.1°F (37.3°C). August, known for its average high temperature of 99.1°F (37.3°C) and an average low temperature of 79°F (26.1°C), is the warmest month. The heat index value for August is estimated at a blazing hot 114.8°F (46°C). Weather in August »

Weather in September

September, the first month of the autumn in Crystal City, is still a hot month, with an average temperature ranging between max 91.4°F (33°C) and min 74.5°F (23.6°C). In Crystal City, the average high-temperature in September gently drops from a torrid 99.1°F (37.3°C) in August to a tropical 91.4°F (33°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Crystal City, Texas, with an average temperature ranging between max 83.7°F (28.7°C) and min 65.3°F (18.5°C). As September makes way for October, Crystal City's average high-temperature eases from a hot 91.4°F (33°C) to a moderately hot 83.7°F (28.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Crystal City, is also an agreeable month, with an average temperature fluctuating between 55.2°F (12.9°C) and 72.1°F (22.3°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 83.7°F (28.7°C) in October to a pleasant 72.1°F (22.3°C). Weather in November »

Weather in December

December, the first month of the winter in Crystal City, is also an enjoyable month, with an average temperature ranging between min 48.2°F (9°C) and max 64.9°F (18.3°C). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's pleasant 72.1°F (22.3°C) to a comfortable 64.9°F (18.3°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Crystal City?

In Crystal City, Texas, the lowest temperatures are generally noted in January, averaging a high of 64.8°F (18.2°C) and a low of 46.9°F (8.3°C).

What is the driest month in Crystal City?

The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in Crystal City?

In Crystal City, during the entire year, the rain falls for 101.5 days and collects up to 12.48" (317mm) of precipitation.

When does it snow in Crystal City?

The only month with snowfall is January.

What is the snowiest month in Crystal City?

The month with the most snowfall is January, when snow falls for 0.3 days and typically aggregates up to 0.04" (1mm) of snow.

How much does it snow in Crystal City?

In Crystal City, during the entire year, snow falls for 0.4 days and aggregates up to 0.04" (1mm) of snow.

When is the lowest UV index in Crystal City?

The months with the lowest UV index in Crystal City, Texas, are January and December, with an average maximum UV index of 4.

When it does not snow in Crystal City?

February through December are months without snowfall in Crystal City.

When is Daylight Saving Time (DST) in Crystal City?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Crystal City?

The month with the most rainfall in Crystal City is May, when the rain falls for 12.2 days and typically aggregates up to 2.44" (62mm) of precipitation.

When are the longest days in Crystal City?

With an average of 13h and 54min of daylight, June has the longest days of the year in Crystal City.

What are the months with the highest UV index in Crystal City?

The months with the highest UV index are June through August, with an average maximum UV index of 8.

What month has the most sunshine in Crystal City?

With an average of 11.2h of sunshine, July has the most sunshine of the year in Crystal City, Texas.

What time of the year is the hottest in Crystal City?

The warmest period is August, when temperatures fluctuate between an average high of 99.1°F (37.3°C) and a low of 79°F (26.1°C).

What is the least humid month in Crystal City?

With an average relative humidity of 49%, August is the least humid month.

What is the most humid month in Crystal City?

November is the most humid month in Crystal City, Texas, with an average relative humidity of 64%.

What is the month with the shortest days in Crystal City?

The month with the shortest days in Crystal City, Texas, is December, with an average of 10h and 24min of daylight.

What is the month with the least sunshine in Crystal City?

December has the least sunshine of the year, with an average of 5.7h of sunshine.

Average temperature
Crystal City, TX

Average temperature - Crystal City, TX

The warmest month (with the highest average high temperature) is August (99.1°F).
The month with the lowest average high temperature is January (64.8°F).

The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

Average pressure
Crystal City, TX

Average pressure - Crystal City, TX

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

Average wind speed
Crystal City, TX

Average wind speed - Crystal City, TX

The windiest month (with the highest average wind speed) is May (10.9mph).
The calmest month (with the lowest average wind speed) is December (7mph).

Average humidity
Crystal City, TX

Average humidity - Crystal City, TX

The month with the highest relative humidity is November (64%).
The month with the lowest relative humidity is August (49%).

Average rainfall
Crystal City, TX

Average rainfall - Crystal City, TX

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days
Crystal City, TX

Average rainfall days - Crystal City, TX

The month with the highest number of rainy days is September (14.5 days).
The month with the least rainy days is January (5.2 days).

Average snowfall
Crystal City, TX

Average snowfall - Crystal City, TX

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Crystal City, TX

Average snowfall days - Crystal City, TX

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and December (0 days).

Average daylight / Average sunshine
Crystal City, TX

Average daylight / Average sunshine - Crystal City, TX

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days
Crystal City, TX

Average sunshine days - Crystal City, TX

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is September (13.9 days).

Average UV index
Crystal City, TX

Average UV index - Crystal City, TX

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 4).

Average visibility
Crystal City, TX

Average visibility - Crystal City, TX

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).

Crystal City, Texas, USA

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