Climate and monthly weather forecastSouthlake, TX
Climate and monthly weather forecast
Weather in January
January, like December, in Southlake, Texas, is a cool winter month, with an average temperature ranging between min 38.8°F (3.8°C) and max 54.5°F (12.5°C). Southlake records the coldest temperatures in January, averaging a high of 54.5°F (12.5°C) and a low of 38.8°F (3.8°C). Weather in January »Weather in February
The last month of the winter, February, is a mild month in Southlake, Texas, with an average temperature varying between 42.3°F (5.7°C) and 57.7°F (14.3°C). Transitioning into February, Southlake experiences an average high-temperature of a refreshing 57.7°F (14.3°C), marking a minor shift from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Southlake, is a comfortable month, with an average temperature ranging between min 50.5°F (10.3°C) and max 67.5°F (19.7°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from a moderate 57.7°F (14.3°C) to an enjoyable 67.5°F (19.7°C). Weather in March »Weather in April
April in Southlake, Texas, is a warm spring month, with an average temperature ranging between min 56.5°F (13.6°C) and max 75°F (23.9°C). Southlake observes a slight ascent in average high-temperatures during April, adjusting from an enjoyable 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 temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 64.6°F (18.1°C). As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from 75°F (23.9°C) to a still warm 82.2°F (27.9°C). Weather in May »Weather in June
June, the first month of the summer in Southlake, is a tropical month, with temperature in the range of an average low of 73.9°F (23.3°C) and an average high of 91.2°F (32.9°C). June brings a temperature change, with average high-temperatures moving from May's warm 82.2°F (27.9°C) to a tropical 91.2°F (32.9°C). Weather in June »Weather in July
July is a torrid summer month in Southlake, Texas, with an average temperature varying between 95.2°F (35.1°C) and 76.6°F (24.8°C). Upon the beginning of July, Southlake's high-temperatures register at a very hot 95.2°F (35.1°C), closely mirroring the preceding month. Weather in July »Weather in August
August, the last month of the summer in Southlake, is another torrid month, with an average temperature varying between 77.2°F (25.1°C) and 96.4°F (35.8°C). With average high temperatures of 96.4°F (35.8°C) and lows of 77.2°F (25.1°C), August is the warmest month. The heat index value during August is estimated at a blistering 111.2°F (44°C). Weather in August »Weather in September
September, the first month of the autumn in Southlake, is still a tropical month, with an average temperature fluctuating between 87.8°F (31°C) and 70.7°F (21.5°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a very hot 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 a moderately hot autumn month, with an average temperature varying between 58.6°F (14.8°C) and 76.1°F (24.5°C). The transition into October involves a decrease in the average high-temperature, falling from a tropical 87.8°F (31°C) in September to a warm 76.1°F (24.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Southlake, Texas, with an average temperature fluctuating between 48.7°F (9.3°C) and 64.6°F (18.1°C). As November commences, the average high-temperature shows a reduction, transitioning from a warm 76.1°F (24.5°C) in October to a refreshing 64.6°F (18.1°C). Weather in November »Weather in December
December, the first month of the winter in Southlake, is also a moderate month, with an average temperature ranging between max 55.6°F (13.1°C) and min 41.5°F (5.3°C). Onset of December witnesses a reduction in the average high-temperature, falling from a refreshing 64.6°F (18.1°C) in November to a mild 55.6°F (13.1°C). Weather in December »Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with its average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 38.8°F (3.8°C), holds the record as the coldest month.
Throughout the year, there are 97.8 rainfall days, and 9.29" (236mm) of precipitation is accumulated.
Months with snowfall are January through March.
Throughout the year, there are 1.8 snowfall days, and 0.28" (7mm) of snow is accumulated.
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the least rainfall in Southlake is February, when the rain falls for 5.8 days and typically collects 0.39" (10mm) of precipitation.
February is the month with the most snowfall. Snow falls for 0.9 days and accumulates 0.16" (4mm) of snow.
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.
April through December are months without snowfall.
With an average relative humidity of 71%, May is the most humid month.
The month with the most rainfall is May, when the rain falls for 10.4 days and typically aggregates up to 1.34" (34mm) of precipitation.
May through August, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 18min of daylight.
July has the most sunshine of the year, with an average of 11.1h of sunshine.
Southlake's temperatures tend to reach their peak averages in August, with a high of 96.4°F (35.8°C) and a low of 77.2°F (25.1°C).
The least humid month is August, with an average relative humidity of 54%.
The month with the shortest days is December, with an average of 10h and 0min of daylight.
With an average of 5.7h of sunshine, December has the least sunshine of the year in Southlake.
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).
Average pressure
Southlake, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.13"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
Southlake, TX
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.1mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.6mph
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
Southlake, TX
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall
Southlake, TX
- Average rainfall in January:
0.55" - Average rainfall in February:
0.39" - Average rainfall in March:
0.94" - Average rainfall in April:
0.79" - Average rainfall in May:
1.34" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.75" - Average rainfall in September:
0.55" - Average rainfall in October:
1.3" - Average rainfall in November:
0.51" - Average rainfall in December:
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
Southlake, TX
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
8.3 days - Average rainfall days in May:
10.4 days - Average rainfall days in June:
9.9 days
- Average rainfall days in July:
9.7 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
6 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
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").
Average snowfall days
Southlake, TX
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
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 / Average sunshine
Southlake, TX
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
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 - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 42min
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
Southlake, TX
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
19.2 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
20.1 days - Average sunshine days in May:
17.2 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
18.1 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
23.4 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
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).
Average cloud cover
Southlake, TX
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
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).
