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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Rowlett, Texas, is a cool winter month, with an average temperature ranging between min 38.8°F (3.8°C) and max 54.1°F (12.3°C). With its high average temperature of 54.1°F (12.3°C) and a low of 38.8°F (3.8°C), January is regarded as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a moderate month in Rowlett, Texas, with an average temperature fluctuating between 57.7°F (14.3°C) and 42.1°F (5.6°C). Rowlett's shift from January to February is accompanied by an average high-temperature of a refreshing 57.7°F (14.3°C), a slight deviation from 54.1°F (12.3°C). Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Rowlett, Texas, with an average temperature fluctuating between 49.3°F (9.6°C) and 66.6°F (19.2°C). With the onset of March, Rowlett's weather sees a minor temperature rise, transitioning from a mild 57.7°F (14.3°C) in February to a still refreshing 66.6°F (19.2°C). Weather in March »
Weather in April
April is a moderately hot spring month in Rowlett, Texas, with an average temperature fluctuating between 55.6°F (13.1°C) and 73.9°F (23.3°C). April marks a minor ascent in the average high-temperature, adjusting from March's refreshing 66.6°F (19.2°C) to a moderately hot 73.9°F (23.3°C). Weather in April »
Weather in May
May, the last month of the spring in Rowlett, is another warm month, with an average temperature fluctuating between 63.9°F (17.7°C) and 81.1°F (27.3°C). May showcases a minor temperature ascent, adjusting from April's 73.9°F (23.3°C) to a still moderately hot 81.1°F (27.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Rowlett, Texas, with an average temperature fluctuating between 90.1°F (32.3°C) and 72.9°F (22.7°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from a warm 81.1°F (27.3°C) in May to a tropical 90.1°F (32.3°C). Weather in June »
Weather in July
July, the same as June, in Rowlett, Texas, is another tropical summer month, with temperature in the range of an average high of 94.3°F (34.6°C) and an average low of 75°F (23.9°C). Rowlett's shift into July sets the average high-temperature at a still hot 94.3°F (34.6°C), a figure that deviates only slightly from June's 90.1°F (32.3°C). Weather in July »
Weather in August
The last month of the summer, August, is a sweltering month in Rowlett, Texas, with temperature in the range of an average high of 95.4°F (35.2°C) and an average low of 75.2°F (24°C). In Rowlett, the highest average temperatures are observed in August, with a high of 95.4°F (35.2°C) and a low of 75.2°F (24°C). August's mean heat index is estimated at a blazing hot 113°F (45°C). Weather in August »
Weather in September
September, the first month of the autumn in Rowlett, is still a tropical month, with an average temperature varying between 87.4°F (30.8°C) and 69.4°F (20.8°C). September marks a gentle change in average high-temperature, declining from August's very hot 95.4°F (35.2°C) to a hot 87.4°F (30.8°C). Weather in September »
Weather in October
October, like September, in Rowlett, Texas, is another warm autumn month, with an average temperature varying between 75.9°F (24.4°C) and 58.1°F (14.5°C). Rowlett's October weather features a mild decline in high-temperatures, reducing from a hot 87.4°F (30.8°C) in September to a warm 75.9°F (24.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Rowlett, Texas, with an average temperature ranging between max 64°F (17.8°C) and min 48.6°F (9.2°C). Welcoming November, Rowlett observes a shift in the average high-temperature, falling from October's moderately hot 75.9°F (24.4°C) to a comfortable 64°F (17.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a fresh month in Rowlett, Texas, with an average temperature ranging between max 55.2°F (12.9°C) and min 41.5°F (5.3°C). The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's comfortable 64°F (17.8°C) to a cool 55.2°F (12.9°C). Weather in December »
Updated: Aug 18, 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
What is the coldest month?
The coldest month is January, with an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 38.8°F (3.8°C).
How many days does it rain?
In Rowlett, during the entire year, the rain falls for 120.2 days and collects up to 17.87" (454mm) of precipitation.
When does it snow?
January and February are months with snowfall.
How much does it snow?
Throughout the year, there are 1.5 snowfall days, and 0.28" (7mm) of snow is accumulated.
What are the months with the lowest UV index in Rowlett?
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 7.4 days and accumulates 0.79" (20mm) of precipitation.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.24" (6mm) of snow.
When it does not snow?
March through December are months without snowfall.
When is Daylight Saving Time (DST)?
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 most humid month?
The most humid month is May, with an average relative humidity of 76%.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 12.4 days and accumulates 2.4" (61mm) of precipitation.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 7.
When are the longest days?
With an average of 14h and 18min of daylight, June has the longest days of the year.
What are the warmest months?
The average temperatures reach their apex in August, averaging 95.4°F (35.2°C) at the high end and 75.2°F (24°C) at the low end.
What is the least humid month?
The least humid month is August, with an average relative humidity of 59%.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 11.1h of sunshine.
What is the month with the shortest days?
With an average of 10h and 0min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
With an average of 5.5h of sunshine, December has the least sunshine of the year.
Average temperature
Rowlett, TX
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (54.1°F).
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure
Rowlett, 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:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.95"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:
30.12"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 (29.91"Hg).
Average wind speed
Rowlett, TX
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are March and April (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity
Rowlett, TX
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall
Rowlett, TX
- Average rainfall in January:
0.91" - Average rainfall in February:
0.79" - Average rainfall in March:
1.61" - Average rainfall in April:
1.61" - Average rainfall in May:
2.4" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.77" - Average rainfall in September:
1.38" - Average rainfall in October:
2.2" - Average rainfall in November:
1.06" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days
Rowlett, 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:
11.3 days - Average rainfall days in May:
12.4 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Rowlett, TX
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Rowlett, TX
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0 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:
0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rowlett, TX
- Average daylight in January:
10h and 2min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - 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:
5h and 5min - Average sunshine in February:
6h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
11h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Rowlett, TX
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
16.2 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
17.1 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
21 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is June (16.2 days).
Average UV index
Rowlett, 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
Rowlett, TX
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Rowlett, 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).
Rowlett, Texas, USA
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