Omaha
Nebraska, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Omaha, NE

Holiday lights light up the city of Omaha, Nebraska, at night, under the clear dark sky
Holiday lights light up the city of Omaha, Nebraska, at night, under the clear dark sky
The last month of the summer, August, is also a moderately hot month in Omaha, Nebraska, with average temperature varying between 63.1°F (17.3°C) and 82.6°F (28.1°C).

Temperature

In Omaha, Nebraska, the average high-temperature is relatively the same as in July - a still moderately hot 82.6°F (28.1°C). In August, in Omaha, the average low-temperature is 63.1°F (17.3°C).

Heat index

In August, the average heat index is calculated to a tropical 89.4°F (31.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', 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 (metabolic differences, clothing, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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.

Humidity

The average relative humidity in Omaha, Nebraska, is 77%.

Rainfall

In Omaha, during August, the rain falls for 13.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Omaha, Nebraska, during the entire year, the rain falls for 122.5 days and collects up to 22.52" (572mm) of precipitation.

Snowfall

In Omaha snow does not fall in June through September.

Daylight

The average length of the day in Omaha is 13.8h.

Sunshine

In Omaha, the average sunshine in August is 9.9h.

UV index

Months with the highest UV index in Omaha are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Omaha?

In Omaha, Nebraska, in August, the average high-temperature is 82.6°F (28.1°C), and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that factores the actual air temperature with the relative humidity, in August is appraised at 89.4°F (31.9°C).

What is the average humidity in August in Omaha?

The average relative humidity in August in Omaha is 77%.

How many days does it rain in August in Omaha?

In Omaha, Nebraska, during August, the rain falls for 13.5 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in Omaha?

June through September are months without snowfall in Omaha.

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

The average length of the day in August in Omaha is 13.8h.

How long on average sun shines in August in Omaha?

The average sunshine in August in Omaha, Nebraska, is 9.9h.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index in Omaha.

What is the UV index reading in August in Omaha?

In Omaha, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Omaha, NE
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average humidity in August - Omaha, NE
  • Average humidity in August: 77%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).

Average rainfall in August - Omaha, NE
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the lowest rainfall) is January (0.59").

Average rainfall days in August - Omaha, NE
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the lowest number of rainy days is February (3 days).

Average snowfall in August - Omaha, NE
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.56").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in August - Omaha, NE
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Omaha, NE
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9.9h

The month with most sunshine is July (Average sunshine: 10.6h).
The month with least sunshine is January (Average sunshine: 4.7h).

Average UV index in August - Omaha, NE
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, October, November and December (UV index 2).