Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The shift into August finds Grimes at an average high-temperature of a still tropical 90.3°F (32.4°C), closely comparable to July's conditions. An average low-temperature of 72.7°F (22.6°C) marks the nights in Grimes throughout August.Heat index
During August, the heat index is evaluated at a blistering 111.2°F (44°C). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.Remember that heat index calculations are made for conditions in the shade with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The average relative humidity in August is 75%.Rainfall
In Grimes, in August, during 16.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 158.9 rainfall days, and 37.28" (947mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
The average length of the day in August is 13h and 19min.On the first day of August in Grimes, sunrise is at 6:19 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:30 pm CDT.
Sunshine
In August, the average sunshine is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 7 during August translates into the following guidance:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Grimes, LA
- Average high temperature in August: 90.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in August: 72.7°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in August
Grimes, LA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Grimes, LA
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Grimes, LA
- Average humidity in August: 75%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Grimes, LA
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in August
Grimes, LA
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in August
Grimes, LA
- Average snowfall in August: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Grimes, LA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.8 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
Grimes, LA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in August
Grimes, LA
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in August
Grimes, LA
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Grimes, LA
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in August
Grimes, LA
- 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).
Grimes, Louisiana, USA
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