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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 Rockwall, Texas, is another fresh winter month, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 38.5°F (3.6°C). January stands out as Rockwall's coldest month, with temperatures ranging between an average high of 54°F (12.2°C) and a low of 38.5°F (3.6°C). Weather in January »
Weather in February
February, the last month of the winter in Rockwall, is a refreshing month, with an average temperature ranging between max 57.4°F (14.1°C) and min 42.1°F (5.6°C). During February, the average high-temperature is a refreshing 57.4°F (14.1°C), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a comfortable month in Rockwall, Texas, with an average temperature fluctuating between 66°F (18.9°C) and 49.3°F (9.6°C). March's arrival coincides with a subtle temperature rise, moving from February's 57.4°F (14.1°C) to a still refreshing 66°F (18.9°C). Weather in March »
Weather in April
April in Rockwall, Texas, is a pleasant spring month, with an average temperature ranging between max 73.2°F (22.9°C) and min 54.7°F (12.6°C). The shift into April brings a slight increase in the average high-temperature, moving from a comfortable 66°F (18.9°C) in March to a pleasant 73.2°F (22.9°C). Weather in April »
Weather in May
May, the last month of the spring in Rockwall, is a warm month, with an average temperature varying between 63.5°F (17.5°C) and 80.8°F (27.1°C). As Rockwall welcomes May, the average high-temperature displays a subtle shift, adjusting from an agreeable 73.2°F (22.9°C) in April to a moderately hot 80.8°F (27.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Rockwall, Texas, with an average temperature ranging between max 90°F (32.2°C) and min 72.7°F (22.6°C). As June begins, there is an increase in the average high-temperature, moving from a warm 80.8°F (27.1°C) in May to a hot 90°F (32.2°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Rockwall, Texas, with temperature in the range of an average low of 74.8°F (23.8°C) and an average high of 93.7°F (34.3°C). Rockwall greets July with an average high-temperature of a still tropical 93.7°F (34.3°C), marking a slight deviation from the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Rockwall, is a sweltering month, with an average temperature fluctuating between 74.8°F (23.8°C) and 95°F (35°C). The warmest month is August, with an average high-temperature of 95°F (35°C) and an average low-temperature of 74.8°F (23.8°C). August's mean heat index is computed to be a life-threatening hot 113°F (45°C). Weather in August »
Weather in September
September, the first month of the autumn in Rockwall, is still a tropical month, with an average temperature ranging between max 87.1°F (30.6°C) and min 68.7°F (20.4°C). Rockwall's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's torrid 95°F (35°C) to a tropical 87.1°F (30.6°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Rockwall, Texas, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 75.6°F (24.2°C). Transition into October marks a drop in the average high-temperature, moving from a hot 87.1°F (30.6°C) in September to a warm 75.6°F (24.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Rockwall, is another comfortable month, with an average temperature varying between 64°F (17.8°C) and 48°F (8.9°C). The arrival of November corresponds with a temperature reduction, down from October's moderately hot 75.6°F (24.2°C) to a comfortable 64°F (17.8°C). Weather in November »
Weather in December
December, the first month of the winter in Rockwall, is also a fresh month, with an average temperature ranging between min 41.2°F (5.1°C) and max 55°F (12.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a comfortable 64°F (17.8°C) in November to a cool 55°F (12.8°C). Weather in December »
Updated: Aug 28, 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 time of the year is the coldest?
The coldest month is January, with an average high-temperature of 54°F (12.2°C) and an average low-temperature of 38.5°F (3.6°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.81" (46mm) of precipitation.
How many days does it rain?
In Rockwall, during the entire year, the rain falls for 146.2 days and collects up to 32.91" (836mm) of precipitation.
When does it snow?
January, February and November are months with snowfall.
How much does it snow?
Throughout the year, there are 2.2 snowfall days, and 1.18" (30mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 1.4 days and typically aggregates up to 0.87" (22mm) of snow.
When it does not snow?
In Rockwall, snow does not fall in March through October and December.
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?
May is the most humid month, with an average relative humidity of 77%.
When are the longest days?
With an average of 14h and 18min of daylight, June has the longest days of the year.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 7.
What is the warmest month?
In Rockwall, the peak temperatures are generally noted in August, averaging a high of 95°F (35°C) and a low of 74.8°F (23.8°C).
What is the least humid month?
With an average relative humidity of 60%, August is the least humid month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 11.1h of sunshine.
What is the wettest month?
The month with the most rainfall is October, when the rain falls for 12.8 days and typically aggregates up to 4.21" (107mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Rockwall, Texas, is December, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.4h of sunshine.
Average temperature
Rockwall, TX
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (54°F).
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure
Rockwall, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.04"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
Rockwall, TX
- Average wind speed in January:
9mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity
Rockwall, TX
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall
Rockwall, TX
- Average rainfall in January:
1.81" - Average rainfall in February:
1.85" - Average rainfall in March:
2.99" - Average rainfall in April:
3.15" - Average rainfall in May:
3.86" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.72" - Average rainfall in September:
2.76" - Average rainfall in October:
4.21" - Average rainfall in November:
2.13" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days
Rockwall, TX
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
15 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
12.6 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is September (15.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
Rockwall, TX
The month with the highest snowfall is February (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days
Rockwall, TX
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
1.4 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 (1.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rockwall, 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 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
11h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 2min
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 24min).
Average sunshine days
Rockwall, TX
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is September (13.4 days).
Average UV index
Rockwall, TX
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Rockwall, TX
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Rockwall, 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).
Rockwall, Texas, USA
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