August weather forecast and climate
Columbiana, AL

August, the last month of the summer, in Columbiana, is another hot month, with average temperature varying between 90°F (32.2°C) and 70.5°F (21.4°C).

Temperature

In Columbiana, the average high-temperature is practically the same as in July - a still hot 90°F (32.2°C). The average low-temperature, in Columbiana, is 70.5°F (21.4°C).

Heat index

The average heat index is estimated at a scorching 109.4°F (43°C). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'feels like', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, metabolic differences), and activity. 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 particularly important for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Columbiana, it is raining for 19.9 days, with typically 3.58" (91mm) of accumulated precipitation. In Columbiana, Alabama, during the entire year, the rain falls for 170.7 days and collects up to 39.06" (992mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In Columbiana, Alabama, the average sunshine is 10.2h.

UV index

In August, the average daily maximum UV index in Columbiana is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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-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 Columbiana?

In August, in Columbiana, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 70.5°F (21.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that calculates temperature value influenced by the moisture in the air, is appraised at 109.4°F (43°C).

What is the average humidity in August in Columbiana?

In August, the average relative humidity in Columbiana is 75%.

How much does it rain in Columbiana in August?

In Columbiana, during August, the rain falls for 19.9 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When it does not snow in Columbiana?

In Columbiana, Alabama, snow does not fall in April through October.

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

The average length of the day in August in Columbiana is 13.3h.

How long on average sun shines in August in Columbiana?

In Columbiana, Alabama, the average sunshine in August is 10.2h.

What is the UV index reading in August in Columbiana?

In Columbiana, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in August - Columbiana, AL
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in August: 70.5°F

Months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in August - Columbiana, 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 - Columbiana, AL
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in August - Columbiana, AL
  • Average humidity in August: 75%

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

Average rainfall in August - Columbiana, AL
  • Average rainfall in August: 3.58"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in August - Columbiana, AL
  • Average rainfall days in August: 19.9 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).

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

The month with the highest snowfall is January (0.59").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

Months with the highest number of snowfall days are January and February (1 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 - Columbiana, 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: 10.2h

The month with the most sunshine is June (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

Average sunshine days in August - Columbiana, AL
  • Average sunshine days in August: 9.5 days

Months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in August - Columbiana, AL
  • Average UV index in August: 6

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

Average cloud cover in August - Columbiana, AL
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 47).
Months with the least cloud cover are September and October (Cloud cover 30).

Average visibility in August - Columbiana, 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).