Oklahoma City
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Oklahoma City, OK

The State Capitol Building in Oklahoma City in Oklahoma, USA, with flags and a statue outside
The State Capitol Building in Oklahoma City in Oklahoma, USA, with flags and a statue outside
August and July have a relatively similar mean temperature - both during the day and night, which ranges between 71.3°F (21.8°C) and 93.4°F (34.1°C).
Weather in August is characterized by very high heat and humidity. The mornings are mildly chilly, followed by hot afternoons and the evenings that are similar to the morning hours. There are 13 hours of daylight, and a good percentage of those are very hot.
  • Average high temperature in August: 93.4°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (49.7°F).

  • Average low temperature in August: 71.3°F

The month with the highest average low temperature is July (72.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

  • Average humidity in August: 61.6%

The month with the highest relative humidity is December (67.8%).
The month with the lowest relative humidity is July (60.9%).

  • Average rainfall in August: 3.3"

The wettest month (with the highest rainfall) is June (4.9").
The driest month (with the lowest rainfall) is January (1.4").

  • Average rainfall days in August: 6.7 days

The month with the highest number of rainy days is May (9.8 days).
The month with the lowest number of rainy days is January (5.1 days).

  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.8").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (1.7 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

  • Average daylight in August: 14.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 10.7h).

  • Average sunshine in August: 10.6h

The month with most sunshine is July (Average sunshine: 11.5h).
The month with least sunshine is December (Average sunshine: 5.8h).

  • Average UV index in August: 9

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).

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