Climate and monthly weather forecastSouth Houston, TX
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in South Houston, Texas, with an average temperature ranging between min 46.9°F (8.3°C) and max 60.6°F (15.9°C). The coldest time of the year is January, with temperatures averaging a high of 60.6°F (15.9°C) and a low of 46.9°F (8.3°C). Weather in January »Weather in February
February, the last month of the winter in South Houston, is a refreshing month, with an average temperature fluctuating between 51.1°F (10.6°C) and 64.2°F (17.9°C). South Houston experiences an average high-temperature of an enjoyable 64.2°F (17.9°C) in February, subtly different from January's 60.6°F (15.9°C). Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in South Houston, Texas, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 71.1°F (21.7°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) to a pleasant 71.1°F (21.7°C). Weather in March »Weather in April
April in South Houston, Texas, is a moderately hot spring month, with an average temperature varying between 63°F (17.2°C) and 77.7°F (25.4°C). South Houston's transition into April sees a mild rise in the average high-temperature, edging from a pleasant 71.1°F (21.7°C) in March to a warm 77.7°F (25.4°C). Weather in April »Weather in May
May, the last month of the spring in South Houston, is another warm month, with an average temperature ranging between max 84.4°F (29.1°C) and min 70.3°F (21.3°C). As May arrives, South Houston's weather shows a minor increase in high-temperatures, edging from April's moderately hot 77.7°F (25.4°C) to a still warm 84.4°F (29.1°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in South Houston, Texas, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 76.3°F (24.6°C). June signals a minor shift in the average high-temperature, moving from May's warm 84.4°F (29.1°C) to a hot 90.1°F (32.3°C). Weather in June »Weather in July
July, like June, is a hot summer month in South Houston, Texas, with an average temperature varying between 91.9°F (33.3°C) and 77.7°F (25.4°C). South Houston records an average high-temperature of a still tropical 91.9°F (33.3°C) in July, maintaining a close correlation with June's 90.1°F (32.3°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in South Houston, Texas, with temperature in the range of an average low of 78.4°F (25.8°C) and an average high of 92.8°F (33.8°C). South Houston's warmest month, August, registers temperatures that range from a high of 92.8°F (33.8°C) to a low of 78.4°F (25.8°C). For August, the heat index is calculated to be a burning hot 116.6°F (47°C). Weather in August »Weather in September
September, the first month of the autumn in South Houston, is still a hot month, with an average temperature varying between 87.6°F (30.9°C) and 73.9°F (23.3°C). September's onset brings an average high-temperature of a still hot 87.6°F (30.9°C), showing a minute difference from August's 92.8°F (33.8°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in South Houston, Texas, with an average temperature fluctuating between 65.3°F (18.5°C) and 80.8°F (27.1°C). The onset of October brings a small shift in high-temperatures, falling from a tropical 87.6°F (30.9°C) in September to a moderately hot 80.8°F (27.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in South Houston, Texas, with an average temperature fluctuating between 56.1°F (13.4°C) and 70.2°F (21.2°C). In November, the average high-temperature decreases from a moderately hot 80.8°F (27.1°C) in October to an agreeable 70.2°F (21.2°C). Weather in November »Weather in December
December, the first month of the winter in South Houston, is still a refreshing month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 50.2°F (10.1°C). In South Houston, the average high-temperature in December gently drops from an agreeable 70.2°F (21.2°C) in November to a comfortable 62.8°F (17.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
South Houston, TX
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure
South Houston, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Houston, TX
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.7mph - Average wind speed in April:
9.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).
Average humidity
South Houston, TX
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall
South Houston, TX
- Average rainfall in January:
2.17" - Average rainfall in February:
1.89" - Average rainfall in March:
2.09" - Average rainfall in April:
2.6" - Average rainfall in May:
4.96" - Average rainfall in June:
4.09"
- Average rainfall in July:
4.33" - Average rainfall in August:
5.43" - Average rainfall in September:
5.94" - Average rainfall in October:
3.46" - Average rainfall in November:
2.36" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days
South Houston, TX
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
13 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
18.7 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
21.3 days - Average rainfall days in September:
21.3 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
13.8 days
The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall
South Houston, TX
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
South Houston, TX
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.2 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 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
South Houston, TX
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 54min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
South Houston, TX
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
7.4 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
6.9 days - Average sunshine days in September:
6.9 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
14.2 days
The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).
Average UV index
South Houston, 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, February, November and December (UV index 4).
Average cloud cover
South Houston, TX
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility
South Houston, 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).





