August weather forecastCelina, TN
August
Weather in August
August, the last month of the summer in Celina, is also a hot month, with an average temperature ranging between max 86.5°F (30.3°C) and min 64.9°F (18.3°C).Temperature
Celina marks the onset of August with an average high-temperature of a still tropical 86.5°F (30.3°C), a subtle shift from July's 87.6°F (30.9°C). Compared to daytime temperatures, Celina's temperature drops significantly, averaging a refreshing 64.9°F (18.3°C) during the nights of August.Heat index
August's mean heat index is computed to be a very hot 98.6°F (37°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Celina, the average relative humidity in August is 76%.Rainfall
In Celina, in August, it is raining for 15.3 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 167 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
In Celina, snow does not fall in May through September.Daylight
In August, the average length of the day in Celina is 13h and 31min.On the first day of August, sunrise is at 5:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:11 pm CDT.
Sunshine
In Celina, the average sunshine in August is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 suggests this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Celina, TN
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in August: 64.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in August
Celina, TN
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in August
Celina, TN
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Celina, TN
- Average humidity in August: 76%
The months with the highest relative humidity are February, March and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Celina, TN
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is February (3.98").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Celina, TN
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in August
Celina, TN
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Celina, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Celina, TN
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Celina, TN
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (17.7 days).
The months with the least sunshine days are February and July (11.6 days).
Average UV index in August
Celina, TN
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Celina, TN
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in August
Celina, TN
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).





