August weather forecastRosenberg, TX
August
Weather in August
The last month of the summer, August, is another tropical month in Rosenberg, Texas, with an average temperature ranging between min 75.7°F (24.3°C) and max 93.7°F (34.3°C).Temperature
August is the month when Rosenberg experiences its warmest temperatures, averaging a high of 93.7°F (34.3°C) and a low of 75.7°F (24.3°C).Heat index
Throughout August, the heat index is computed to be a burning hot 120.2°F (49°C). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Rosenberg, the average relative humidity in August is 73%.Rainfall
August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 1.57" (40mm) of precipitation.Snowfall
In Rosenberg, snow does not fall in March through December.Daylight
In August, the average length of the day is 13h and 10min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:15 pm. On the last day of August, sunrise is at 7:00 am and sunset at 7:46 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 10h of sunshine.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 7 during August translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rosenberg, TX
- Average high temperature in August: 93.7°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in August: 75.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).
Average pressure in August
Rosenberg, TX
- Average pressure in August: 29.95"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 in August
Rosenberg, TX
- Average wind speed in August: 5.9mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in August
Rosenberg, TX
- Average humidity in August: 73%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Rosenberg, TX
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in August
Rosenberg, TX
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is December (6.4 days).
Average snowfall days in August
Rosenberg, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Rosenberg, TX
- Average daylight in August: 13h and 12min
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 August: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in August
Rosenberg, TX
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is September (12.6 days).
Average UV index in August
Rosenberg, TX
- Average UV index in August: 7
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 in August
Rosenberg, TX
- Average cloud cover in August: 30
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in August
Rosenberg, TX
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
