August weather forecast
Fredericksburg, TX

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Weather in August

The high summer tone continues into August, paired with the year's peak temperatures. Fredericksburg gains a reputation for long, hot, and dry summer days during this month. The local sky’s appearances become almost completely free from clouds, featuring maximum visibility as rainfall levels shrink and humidity decreases. The mercury scale dances from 72.3°F (22.4°C) to 93.6°F (34.2°C), being the highest recorded temperature range in the city’s weather calendar. Even though wind speeds and gusts slow down to 8mph (12.9km/h) and 11.9mph (19.2km/h) respectively, it does not quell August’s overall furnace-like conditions.

Temperature

August, known for its average high temperature of 93.6°F (34.2°C) and an average low temperature of 72.3°F (22.4°C), is the warmest month in Fredericksburg.

Heat index

August's heat index is computed to be a blisteringly hot 107.6°F (42°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The least humid month is August, with an average relative humidity of 59%.

Rainfall

In Fredericksburg, Texas, during August, the rain falls for 9.6 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Fredericksburg, there are 129.3 rainfall days, and 15.87" (403mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 13min.
On the first day of August, sunrise is at 6:54 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:58 pm CDT.

Sunshine

In Fredericksburg, the average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 7 in August translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Fredericksburg?

August, with an average high of 93.6°F (34.2°C) and a low of 72.3°F (22.4°C), signifies the warmest month of the year.

How hot does it get in Fredericksburg in August?

The average high-temperature and low-temperature during August are 93.6°F (34.2°C) and 72.3°F (22.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 107.6°F (42°C).

What is the least humid month in Fredericksburg?

With an average relative humidity of 59%, August is the least humid month.

What is the average humidity in August in Fredericksburg?

In Fredericksburg, the average relative humidity in August is 59%.

How many days does it rain in August in Fredericksburg?

In Fredericksburg, during August, the rain falls for 9.6 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Fredericksburg?

In Fredericksburg, Texas, snow does not fall in April through October.

What is the average length of the day in August in Fredericksburg?

The average day length in August is 13h and 13min.

What time are sunrise and sunset in August in Fredericksburg?

In August, on the first day of the month, sunrise is at 6:54 am and sunset at 8:29 pm. On the last day of the month, in Fredericksburg, Texas, sunrise is at 7:12 am and sunset at 7:58 pm CDT.

How long on average sun shines in August in Fredericksburg?

The average sunshine duration in August in Fredericksburg is 9.9h.

What is the month with the highest UV index in Fredericksburg?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index intensity in August in Fredericksburg?

In August, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Fredericksburg, TX

Average temperature in August - Fredericksburg, TX
  • Average high temperature in August: 93.6°F

The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in August: 72.3°F

The month with the highest average low temperature is August (72.3°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in August
Fredericksburg, TX

Average pressure in August - Fredericksburg, TX
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Fredericksburg, TX

Average wind speed in August - Fredericksburg, TX
  • Average wind speed in August: 8mph

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.3mph).

Average humidity in August
Fredericksburg, TX

Average humidity in August - Fredericksburg, TX
  • Average humidity in August: 59%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).

Average rainfall in August
Fredericksburg, TX

Average rainfall in August - Fredericksburg, TX
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in August
Fredericksburg, TX

Average rainfall days in August - Fredericksburg, TX
  • Average rainfall days in August: 9.6 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in August
Fredericksburg, TX

Average snowfall in August - Fredericksburg, TX
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Fredericksburg, TX

Average snowfall days in August - Fredericksburg, TX
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Fredericksburg, TX

Average daylight in August / Average sunshine in August - Fredericksburg, TX
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).

Average sunshine days in August
Fredericksburg, TX

Average sunshine days in August - Fredericksburg, TX
  • Average sunshine days in August: 19.1 days

The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in August
Fredericksburg, TX

Average UV index in August - Fredericksburg, TX
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Fredericksburg, TX

Average cloud cover in August - Fredericksburg, TX
  • Average cloud cover in August: 22

The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in August
Fredericksburg, TX

Average visibility in August - Fredericksburg, TX
  • 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).

Fredericksburg, Texas, USA

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