Climate and monthly weather forecast
Southlake, TX

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Weather in January

January, like December, in Southlake, Texas, is another fresh winter month, with an average temperature varying between 54.5°F (12.5°C) and 38.8°F (3.8°C). January stands out as Southlake's coldest month, with an average high-temperature of 54.5°F (12.5°C) and a low-temperature of 38.8°F (3.8°C). Weather in January »

Weather in February

February, the last month of the winter in Southlake, is a refreshing month, with an average temperature varying between 42.3°F (5.7°C) and 57.7°F (14.3°C). Southlake, Texas, experiences a subtle adjustment in high-temperatures to a moderate 57.7°F (14.3°C) with the onset of February, maintaining near parity with January's 54.5°F (12.5°C). Weather in February »

Weather in March

March, the first month of the spring in Southlake, is a refreshing month, with an average temperature fluctuating between 67.5°F (19.7°C) and 50.5°F (10.3°C). March comes with an increase, with the average high-temperature moving from a mild 57.7°F (14.3°C) in February to a comfortable 67.5°F (19.7°C). Weather in March »

Weather in April

April in Southlake, Texas, is a moderately hot spring month, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 75°F (23.9°C). The shift into April brings a slight increase in the average high-temperature, moving from a comfortable 67.5°F (19.7°C) in March to a warm 75°F (23.9°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Southlake, Texas, with an average temperature ranging between max 82.2°F (27.9°C) and min 64.6°F (18.1°C). The arrival of May witnesses a small shift in the average high-temperature, moving from a moderately hot 75°F (23.9°C) in April to a still warm 82.2°F (27.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Southlake, Texas, with an average temperature varying between 91.2°F (32.9°C) and 73.9°F (23.3°C). Southlake's June weather brings a rise in high-temperatures, moving from a moderately hot 82.2°F (27.9°C) in May to a tropical 91.2°F (32.9°C). Weather in June »

Weather in July

July in Southlake, Texas, is a sweltering summer month, with an average temperature fluctuating between 95.2°F (35.1°C) and 76.6°F (24.8°C). The advent of July signifies a minor shift to an average high-temperature of a sweltering 95.2°F (35.1°C), aligning closely with June. Weather in July »

Weather in August

August, the last month of the summer in Southlake, is also a sweltering month, with an average temperature fluctuating between 77.2°F (25.1°C) and 96.4°F (35.8°C). In Southlake, the average temperatures in August are the highest, with a peak at 96.4°F (35.8°C) and a low of 77.2°F (25.1°C). The heat index in August is appraised at an extremely hot 111.2°F (44°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Southlake, Texas, with an average temperature fluctuating between 70.7°F (21.5°C) and 87.8°F (31°C). Southlake records a mild change in average high-temperature during September, easing from a sweltering 96.4°F (35.8°C) in August to a hot 87.8°F (31°C). Weather in September »

Weather in October

October, like September, in Southlake, Texas, is another warm autumn month, with an average temperature ranging between min 58.6°F (14.8°C) and max 76.1°F (24.5°C). In Southlake, the average high-temperature in October decreases from a hot 87.8°F (31°C) in September to a moderately hot 76.1°F (24.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Southlake, Texas, with an average temperature ranging between min 48.7°F (9.3°C) and max 64.6°F (18.1°C). As November begins, there is a decrease in the average high-temperature, falling from a warm 76.1°F (24.5°C) in October to a comfortable 64.6°F (18.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Southlake, Texas, with an average temperature varying between 41.5°F (5.3°C) and 55.6°F (13.1°C). During Southlake's transition into December, the average high-temperature lessens, moving from 64.6°F (18.1°C) in November to a still refreshing 55.6°F (13.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Southlake?

Southlake'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).

How much does it rain in Southlake?

Throughout the year, in Southlake, Texas, there are 97.8 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

When does it snow in Southlake?

January through March are months with snowfall in Southlake.

How many days does it snow in Southlake?

In Southlake, Texas, during the entire year, snow falls for 1.8 days and aggregates up to 0.28" (7mm) of snow.

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

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

What is the driest month in Southlake?

The month with the least rainfall in Southlake, Texas, is February, when the rain falls for 5.8 days and typically collects 0.39" (10mm) of precipitation.

What is the snowiest month in Southlake?

February is the month with the most snowfall in Southlake, Texas. Snow falls for 0.9 days and accumulates 0.16" (4mm) of snow.

When is Daylight Saving Time (DST) in Southlake?

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.

When it does not snow in Southlake?

April through December are months without snowfall in Southlake, Texas.

What is the most humid month in Southlake?

With an average relative humidity of 71%, May is the most humid month.

What is the rainiest month in Southlake?

May is the month with the most rainfall. Rain falls for 10.4 days and accumulates 1.34" (34mm) of precipitation.

What is the month with the highest UV index in Southlake?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Southlake.

When are the longest days in Southlake?

June has the longest days of the year in Southlake, with an average of 14h and 18min of daylight.

What month has the most sunshine in Southlake?

The month with the most sunshine is July, with an average of 11.1h of sunshine.

What time of the year is the hottest in Southlake?

Southlake's temperatures peak on average in August, reaching 96.4°F (35.8°C) at their highest and 77.2°F (25.1°C) at their lowest.

What is the least humid month in Southlake?

August is the least humid month in Southlake, with an average relative humidity of 54%.

What is the month with the shortest days in Southlake?

The month with the shortest days in Southlake is December, with an average of 10h and 0min of daylight.

What is the month with the least sunshine in Southlake?

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

Average temperature
Southlake, TX

Average temperature - Southlake, TX

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).

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).

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Average pressure
Southlake, TX

Average pressure - Southlake, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Southlake, TX

Average wind speed - Southlake, TX

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).

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Average rainfall
Southlake, TX

Average rainfall - Southlake, TX

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

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Average rainfall days
Southlake, TX

Average rainfall days - Southlake, TX

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).

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Average snowfall
Southlake, TX

Average snowfall - Southlake, TX

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").

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Average snowfall days
Southlake, TX

Average snowfall days - Southlake, TX

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).

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Average daylight / Average sunshine
Southlake, TX

Average daylight / Average sunshine - Southlake, TX

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).

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).

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Average sunshine days
Southlake, TX

Average sunshine days - Southlake, TX

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

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Average UV index
Southlake, TX

Average UV index - Southlake, TX

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).

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Average visibility
Southlake, TX

Average visibility - Southlake, 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).

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Southlake, Texas, USA

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