August 1 – The Barakah nuclear power plant in the UAE becomes operational following delays since 2017. It is the first commercial nuclear power station in the Arab world.
August 2 – COVID-19 pandemic: In rare talks, Emirati Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan and Iranian Foreign Minister Mohammad Javad Zarif hold a video call to discuss various regional issues, including combating COVID-19 in their respective countries.
August 4 – An explosion caused by unsafely stored ammonium nitrate kills over 220 people, injures thousands, and severely damages the port in Beirut, Lebanon. Damage is estimated at $10–15 billion, and an estimated 300,000 people are left homeless. The following day, the Lebanese government declares a two-week state of emergency.
U.S. Secretary of Health and Human Services Alex Azar travels to Taiwan, the highest U.S. official visit to the country in 40 years. The PRC condemns the visit.
COVID-19 pandemic: The worldwide death toll from COVID-19 exceeds 700,000.
August 7 – Air India Express Flight 1344 crashes after overrunning the runway at Calicut International Airport in Kerala, India, killing 19 of the 191 people on board.
August 9 – A presidential election in Belarus which led to incumbent Alexander Lukashenko's reelection sparks protests throughout the country after major opposition candidate Sviatlana Tsikhanouskaya rejected the results. Seven days later, the largest political march in Belarusian history takes place, with an estimated 300,000 people in Minsk and 200,000 in other Belarusian cities and towns.
August 10 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 20 million worldwide.
August 11 – COVID-19 pandemic: Russian President Vladimir Putin announces that Russia has approved the world's first COVID-19 vaccine.
August 13 – Israel and the UAE agree to normalise relations, marking the third Israel–Arab peace deal.
August 15 – The Japanese bulk carrier Wakashio, which stranded on a reef in Mauritius last month, breaks in half. Approximately 1,000 tonnes of oil are spilled into the ocean, becoming the largest environmental disaster in the history of Mauritius.
August 18 – A mutiny in a military base by soldiers of the Malian Armed Forces develops into a coup d'état. President Ibrahim Boubacar Keïta and Prime Minister Boubou Cissé, among other senior governmental and military officers, are arrested. The next day, Keïta announces his resignation on state television.
August 19 – The Special Tribunal for Lebanon convicts in absentia Salim Ayyash, a senior member of Hezbollah, for the 2005 assassination of former Prime Minister Rafic Hariri.
August 22 – COVID-19 pandemic: The worldwide death toll from COVID-19 exceeds 800,000.
August 23 – Bayern Munich wins the 2019–20 UEFA Champions League by beating Paris Saint-Germain in the final.
August 25 – Africa is declared free of wild polio, the second virus to be eradicated from the continent since smallpox 40 years previously.
August 26 – Amazon CEO Jeff Bezos becomes the first person in history to have a net worth exceeding US$200 billion, according to Forbes.
August 27 – Hurricane Laura makes landfall in Lake Charles, Louisiana with winds of 150 mph, making it the strongest hurricane to ever strike the state in terms of windspeed, tied with the 1856 Last Island Hurricane.
August 28 – Japanese Prime Minister Shinzo Abe, the longest-serving prime minister in the history of Japan, announces his resignation from office, citing ill health.
August 30 – COVID-19 pandemic: The number of confirmed cases of COVID-19 passes 25 million worldwide. India continues to record the highest daily increase of cases.
August 5 – Narendra Modi performed Bhoomi Pujan and laid the foundation stone of the Ram Temple at Ayodhya.
August 7 – Air India Express Flight 1344 Crashed after overrunning the Runway at Calicut International Airport, Kerala. At least 19 people killed, including two pilots and 17 Passengers.
August 7 – Heavy Landslide in Munnar, Idukki District, Kerala: 24 killed, 40 trapped; NDRF teams carry out rescue ops
August 9 – Fire at a COVID-19 facility in the city of Vijayawada, Andhra Pradesh, killed 11 people and left 22 injured.
August 11 – 3 people are killed and many arrested following the riots in Bangalore over a Facebook post on Islam's prophet Muhammad by a nephew of Congress politician .
August 20 – A major fire broke out in an underground hydroelectric power plant in Srisailam in the state of Telangana killing 9 people.
August 31 - National Statistical Office releases data for the first quarter of Financial Year 2020–2021, with GDP in the given period contracting by 23.9% due to the COVID-19 pandemic lockdown in India.