August weather forecast
San Antonio, NM

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Weather in August

August, the last month of the summer in San Antonio, is another warm month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 67.5°F (19.7°C).

Temperature

The average high-temperature during August registers at a moderately hot 85.6°F (29.8°C), closely corresponding to the preceding month. In the month of August, the average low-temperature in San Antonio usually rests at an enjoyable 67.5°F (19.7°C).

Heat index

August's heat index is evaluated at a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In San Antonio, New Mexico, the average relative humidity in August is 41%.

Rainfall

August is the month with the most rainfall in San Antonio. Rain falls for 15 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In San Antonio, the average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:07 pm. On the last day of August, in San Antonio, New Mexico, sunrise is at 6:41 am and sunset at 7:34 pm MDT.

Sunshine

In August, the average sunshine is 11.8h.

UV index

In San Antonio, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in San Antonio in August?

In San Antonio, in August, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 67.5°F (19.7°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in August in San Antonio?

The average relative humidity in August is 41%.

What is the rainiest month in San Antonio?

The month with the most rainfall in San Antonio is August, when the rain falls for 15 days and typically aggregates up to 1.73" (44mm) of precipitation.

How much does it rain in San Antonio in August?

In August, the rain falls for 15 days. Throughout August, 1.73" (44mm) of precipitation is accumulated.

When it does not snow in San Antonio?

In San Antonio, snow does not fall in April through October.

How many hours of daylight does San Antonio have in August?

In San Antonio, the average day length in August is 13h and 23min.

What time are sunrise and sunset in August in San Antonio?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 8:07 pm. On the last day of the month, in San Antonio, sunrise is at 6:41 am and sunset at 7:34 pm MDT.

How long on average sun shines in August in San Antonio?

In San Antonio, the average sunshine duration in August is 11.8h.

What is the UV index reading in August in San Antonio?

In San Antonio, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
San Antonio, NM

Average temperature in August - San Antonio, NM
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is June (88.3°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in August: 67.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in August
San Antonio, NM

Average pressure in August - San Antonio, NM
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.88"Hg).

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Average wind speed in August
San Antonio, NM

Average wind speed in August - San Antonio, NM
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in August
San Antonio, NM

Average humidity in August - San Antonio, NM
  • Average humidity in August: 41%

The month with the highest relative humidity is January (54%).
The months with the lowest relative humidity are April, May and June (25%).

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Average rainfall in August
San Antonio, NM

Average rainfall in August - San Antonio, NM
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is April (0.39").

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Average rainfall days in August
San Antonio, NM

Average rainfall days in August - San Antonio, NM
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is November (3.6 days).

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Average snowfall in August
San Antonio, NM

Average snowfall in August - San Antonio, NM
  • Average snowfall in August: 0"

The month with the highest snowfall is December (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
San Antonio, NM

Average snowfall days in August - San Antonio, NM
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
San Antonio, NM

Average daylight in August / Average sunshine in August - San Antonio, NM
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in August
San Antonio, NM

Average sunshine days in August - San Antonio, NM
  • Average sunshine days in August: 10.7 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is August (10.7 days).

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Average UV index in August
San Antonio, NM

Average UV index in August - San Antonio, NM
  • Average UV index in August: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

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Average cloud cover in August
San Antonio, NM

Average cloud cover in August - San Antonio, NM
  • Average cloud cover in August: 16

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is October (Cloud cover 11).

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Average visibility in August
San Antonio, NM

Average visibility in August - San Antonio, NM
  • Average visibility in August: 6mi

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).

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San Antonio, New Mexico, USA

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