August weather forecast and climate
Chelsea, AL

August, the last month of the summer, in Chelsea, is also a hot month, with average temperature fluctuating between 71.4°F (21.9°C) and 90.1°F (32.3°C).

Temperature

In Chelsea, the average high-temperature in August is practically the same as in July - a still tropical 90.1°F (32.3°C). In August, the average low-temperature is 71.4°F (21.9°C).

Heat index

The average heat index in August is estimated at an extremely hot 108.5°F (42.5°C). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', 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 factors like activity, wind, differences in body mass, height, and shape, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in August is 73%.

Rainfall

In August, the rain falls for 20.9 days. Throughout August, 3.82" (97mm) of precipitation is accumulated. Throughout the year, there are 174.2 rainfall days, and 40.08" (1018mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Chelsea is 13.3h.

Sunshine

In Chelsea, Alabama, the average sunshine is 10.3h.

UV index

With an average maximum UV index of 7, August is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Chelsea?

In Chelsea, in August, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 71.4°F (21.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is appraised at 108.5°F (42.5°C).

What is the average humidity in August in Chelsea?

In Chelsea, the average relative humidity in August is 73%.

How much does it rain in Chelsea in August?

In August, in Chelsea, Alabama, the rain falls for 20.9 days. Throughout August, 3.82" (97mm) of precipitation is accumulated.

When it does not snow in Chelsea?

April through October are months without snowfall in Chelsea.

How many hours of daylight does Chelsea have in August?

In Chelsea, Alabama, the average length of the day in August is 13.3h.

How long on average sun shines in August in Chelsea?

The average sunshine in August in Chelsea is 10.3h.

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

August is the month with the highest UV index in Chelsea, Alabama, with an average maximum UV index of 7.

What is the UV index intensity in August in Chelsea?

The average daily maximum UV index in August in Chelsea, Alabama, is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Chelsea, AL
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (51.1°F).

  • Average low temperature in August: 71.4°F

The month with the highest average low temperature is August (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure in August - Chelsea, AL
  • Average pressure in August: 29.98"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

Average wind speed in August - Chelsea, AL
  • Average wind speed in August: 4.4mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in August - Chelsea, AL
  • Average humidity in August: 73%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August - Chelsea, AL
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is April (4.09").
The driest months (with the least rainfall) are September and October (2.36").

Average rainfall days in August - Chelsea, AL
  • Average rainfall days in August: 20.9 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in August - Chelsea, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August - Chelsea, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (1.2 days).
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 - Chelsea, AL
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is June (Average sunshine: 10.7h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in August - Chelsea, AL
  • Average sunshine days in August: 8.4 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in August - Chelsea, AL
  • Average UV index in August: 7

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in August - Chelsea, AL
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in August - Chelsea, AL
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).