Climate and monthly weather forecastSouth Alamo, TX
Climate and monthly weather forecast
Weather in January
January, like December, is another pleasant winter month in South Alamo, Texas, with an average temperature fluctuating between 53.4°F (11.9°C) and 69.6°F (20.9°C). In South Alamo, January is the month with the lowest recorded average temperatures, measuring a high of 69.6°F (20.9°C) and a low of 53.4°F (11.9°C). Weather in January »Weather in February
February, the last month of the winter in South Alamo, is a moderately hot month, with an average temperature ranging between max 75.4°F (24.1°C) and min 57.9°F (14.4°C). South Alamo's weather in February presents a minor rise in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in January to a moderately hot 75.4°F (24.1°C). Weather in February »Weather in March
March, the first month of the spring in South Alamo, is also a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 82°F (27.8°C). Observing a minor shift, the average high-temperature during March adjusts from February's 75.4°F (24.1°C) to a still moderately hot 82°F (27.8°C). Weather in March »Weather in April
April is a hot spring month in South Alamo, Texas, with an average temperature fluctuating between 88.3°F (31.3°C) and 68.4°F (20.2°C). April showcases a minor temperature ascent, adjusting from March's moderately hot 82°F (27.8°C) to a hot 88.3°F (31.3°C). Weather in April »Weather in May
The last month of the spring, May, is also a hot month in South Alamo, Texas, with an average temperature varying between 91.8°F (33.2°C) and 72.9°F (22.7°C). South Alamo's average high-temperature in May is a still hot 91.8°F (33.2°C), indicating a subtle variation from April. Weather in May »Weather in June
The first month of the summer, June, is a very hot month in South Alamo, Texas, with an average temperature varying between 76.6°F (24.8°C) and 95.5°F (35.3°C). The shift into June uncovers an average high-temperature of a torrid 95.5°F (35.3°C), subtly different from the previous month. Weather in June »Weather in July
July, the same as June, is another sweltering summer month in South Alamo, Texas, with an average temperature ranging between min 77.5°F (25.3°C) and max 97.3°F (36.3°C). July records an average high-temperature of a still sweltering 97.3°F (36.3°C), indicating a minor variation from the preceding month. Weather in July »Weather in August
The last month of the summer, August, is another torrid month in South Alamo, Texas, with temperature in the range of an average high of 98.2°F (36.8°C) and an average low of 79.7°F (26.5°C). August, with its high-temperature average of 98.2°F (36.8°C) and a low-temperature average of 79.7°F (26.5°C), is the warmest month. The heat index value during August is calculated to be a blazing hot 122°F (50°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in South Alamo, Texas, with temperature in the range of an average low of 77.2°F (25.1°C) and an average high of 92.5°F (33.6°C). With the arrival of September, South Alamo experiences a modest decline in average high-temperatures, transitioning from a fiery hot 98.2°F (36.8°C) in August to a hot 92.5°F (33.6°C). Weather in September »Weather in October
October, like September, is a hot autumn month in South Alamo, Texas, with temperature in the range of an average low of 70.7°F (21.5°C) and an average high of 87.3°F (30.7°C). South Alamo experiences a recorded average high-temperature of a still hot 87.3°F (30.7°C) in October, closely aligned with September's 92.5°F (33.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in South Alamo, Texas, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 77.7°F (25.4°C). South Alamo in November undergoes a mild reduction in the average high-temperature, shifting from October's hot 87.3°F (30.7°C) to a warm 77.7°F (25.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a pleasant month in South Alamo, Texas, with an average temperature varying between 56.1°F (13.4°C) and 71.4°F (21.9°C). The onset of December brings a small shift in high-temperatures, falling from a warm 77.7°F (25.4°C) in November to a pleasant 71.4°F (21.9°C). Weather in December »Updated: Aug 22, 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
With average high temperatures of 69.6°F (20.9°C) and lows of 53.4°F (11.9°C), January is the coldest month.
January and February are months with the least rain in South Alamo when the rain falls for 6.3 days and typically aggregates up to 0.31" (8mm) of rain.
Throughout the year, there are 94.1 rainfall days, and 9.06" (230mm) of precipitation is accumulated.
January is the only month when snow falls.
The month with the most snowfall is January, when snow falls for 0.1 days and typically aggregates up to 0.12" (3mm) of snow.
Throughout the year, there are 0.1 snowfall days, and 0.12" (3mm) of snow is accumulated.
February through December are months without snowfall.
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.
May is the most humid month, with an average relative humidity of 69%.
The month with the longest days is June, with an average of 13h and 48min of daylight.
July has the most sunshine of the year, with an average of 11.4h of sunshine.
July and August, with an average maximum UV index of 8, are months with the highest UV index.
In South Alamo, the peak temperatures are generally noted in August, averaging a high of 98.2°F (36.8°C) and a low of 79.7°F (26.5°C).
August is the least humid month, with an average relative humidity of 59%.
September is the month with the most rainfall. Rain falls for 15.1 days and accumulates 1.46" (37mm) of precipitation.
December has the shortest days of the year, with an average of 10h and 30min of daylight.
The month with the least sunshine in South Alamo is December, with an average of 5.5h of sunshine.
December is the month with the lowest UV index, with an average maximum UV index of 4.
Average temperature
South Alamo, TX
The warmest month (with the highest average high temperature) is August (98.2°F).
The month with the lowest average high temperature is January (69.6°F).
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (53.4°F).
Average pressure
South Alamo, TX
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.87"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed
South Alamo, TX
- Average wind speed in January:
9.5mph - Average wind speed in February:
10.7mph - Average wind speed in March:
11.9mph - Average wind speed in April:
12.1mph - Average wind speed in May:
12.4mph - Average wind speed in June:
11.2mph
- Average wind speed in July:
12.2mph - Average wind speed in August:
10.9mph - Average wind speed in September:
8.9mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is May (12.4mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).
Average humidity
South Alamo, TX
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (59%).
Average rainfall
South Alamo, TX
- Average rainfall in January:
0.31" - Average rainfall in February:
0.31" - Average rainfall in March:
0.39" - Average rainfall in April:
0.39" - Average rainfall in May:
0.98" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.34" - Average rainfall in August:
0.71" - Average rainfall in September:
1.46" - Average rainfall in October:
0.79" - Average rainfall in November:
0.63" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is September (1.46").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days
South Alamo, TX
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
8 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
6.5 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is September (15.1 days).
The month with the least rainy days is February (5.4 days).
Average snowfall
South Alamo, TX
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
South Alamo, TX
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0 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 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
South Alamo, TX
- Average daylight in January:
10h and 42min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 24min - Average daylight in June:
13h and 48min
- Average daylight in July:
13h and 36min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 54min - Average daylight in December:
10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
7h and 30min - Average sunshine in March:
7h and 48min - Average sunshine in April:
8h and 18min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 54min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
South Alamo, TX
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
21 days - Average sunshine days in March:
22.5 days - Average sunshine days in April:
21.2 days - Average sunshine days in May:
20.5 days - Average sunshine days in June:
19.3 days
- Average sunshine days in July:
23 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is September (12.5 days).
Average UV index
South Alamo, TX
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
South Alamo, TX
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility
South Alamo, 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).
