Climate and monthly weather forecastFlower Mound, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Flower Mound, Texas, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 38.8°F (3.8°C). January is the coldest month, with the temperature often reaching an average high of 54.5°F (12.5°C) and an average 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 Flower Mound, Texas, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.7°F (14.3°C). As Flower Mound welcomes February, the average high-temperature records at a moderate 57.7°F (14.3°C), marking an insignificant deviation from the prior month. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Flower Mound, Texas, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 50°F (10°C). With the transition into March, Flower Mound experiences an increase in average high-temperatures, moving up from a refreshing 57.7°F (14.3°C) in February to a comfortable 67.1°F (19.5°C). Weather in March »Weather in April
April in Flower Mound, Texas, is a moderately hot spring month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 74.8°F (23.8°C). Flower Mound's April weather indicates a minor ascent in high-temperatures, adjusting from an enjoyable 67.1°F (19.5°C) in March to a warm 74.8°F (23.8°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Flower Mound, Texas, with an average temperature fluctuating between 82.2°F (27.9°C) and 64.4°F (18°C). The shift from April to May introduces a subtle increase in the average high-temperature, moving from a warm 74.8°F (23.8°C) to a still moderately hot 82.2°F (27.9°C). Weather in May »Weather in June
June, the first month of the summer in Flower Mound, is a tropical month, with an average temperature ranging between min 73.9°F (23.3°C) and max 91°F (32.8°C). As June sets, the average high-temperature shows a slight increase, moving up from a moderately hot 82.2°F (27.9°C) in May to a hot 91°F (32.8°C). Weather in June »Weather in July
July in Flower Mound, Texas, is a fiery hot summer month, with an average temperature varying between 95.2°F (35.1°C) and 76.6°F (24.8°C). Flower Mound's July showcases an average high-temperature of a torrid 95.2°F (35.1°C), hardly distinct from June's 91°F (32.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a fiery hot month in Flower Mound, Texas, with an average temperature varying between 96.3°F (35.7°C) and 76.6°F (24.8°C). In Flower Mound, Texas, the month of August is known for its highest average temperatures, reaching a high of 96.3°F (35.7°C) and a low of 76.6°F (24.8°C). The heat index value for August is appraised at a blistering 111.2°F (44°C). Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Flower Mound, Texas, with an average temperature ranging between max 87.8°F (31°C) and min 70.3°F (21.3°C). September heralds a minor drop in average high-temperature, sliding from August's fiery hot 96.3°F (35.7°C) to a tropical 87.8°F (31°C). Weather in September »Weather in October
October, like September, in Flower Mound, Texas, is another warm autumn month, with an average temperature fluctuating between 58.6°F (14.8°C) and 76.1°F (24.5°C). The onset of October results in a decrease in the average high-temperature, receding 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
November, the last month of the autumn in Flower Mound, is another refreshing month, with an average temperature fluctuating between 48.7°F (9.3°C) and 64.6°F (18.1°C). Flower Mound's average high-temperature decreases in November, 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
December, the first month of the winter in Flower Mound, is still a refreshing month, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 55.4°F (13°C). With the onset of December, Flower Mound experiences a modest temperature adjustment, with the average high-temperature receding from a comfortable 64.6°F (18.1°C) in November to a still refreshing 55.4°F (13°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Flower Mound, TX
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.5°F).
The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure
Flower Mound, 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
Flower Mound, TX
- Average wind speed in January:
9.2mph - Average wind speed in February:
9.8mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.2mph - Average wind speed in May:
9.2mph - 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:
6.8mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity
Flower Mound, TX
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall
Flower Mound, TX
- Average rainfall in January:
1.1" - Average rainfall in February:
1.26" - Average rainfall in March:
2.28" - Average rainfall in April:
1.97" - Average rainfall in May:
3.5" - Average rainfall in June:
2.44"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.97" - Average rainfall in September:
2.09" - Average rainfall in October:
3.19" - Average rainfall in November:
1.61" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Flower Mound, TX
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
11.7 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Flower Mound, TX
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Flower Mound, TX
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.8 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:
0.2 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Flower Mound, 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:
6h and 54min - Average sunshine in March:
7h and 6min - 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 0min - Average sunshine in August:
10h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 36min - 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Flower Mound, TX
- Average sunshine days in January:
24.6 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
17.4 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
22.8 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is May (13.8 days).
Average UV index
Flower Mound, 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
Flower Mound, TX
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Flower Mound, 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).





