President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE hit his highest average approval rating in his sixth quarter in office, reaching a personal best of 41.9 percent between April and July, according to Gallup polling.

That number shows a more than two percentage point increase from the fifth quarter average of 39.1 percent and comes in slightly above the approval average for his first three months in office — 41.3 percent, Trump's previous best for a quarter.

In each week between April 20 and July 19, Trump's approval came in at at least 40 percent, according to Gallup, and his approval rating peaked at 45 percent during the week of his June 12 summit with North Korean leader Kim Jong Un in Singapore.

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Following the historic summit, the president's approval fell back to around 41 percent.

Another meeting with a foreign leader, Russian President Vladimir Putin, in Helsinki last week failed to give Trump the same boost that his meeting with Kim did.

Trump stirred controversy during a joint press conference with Putin when he challenged the U.S. intelligence community's assessment that Moscow meddled in the 2016 presidential election.

Despite bipartisan criticism of his remarks, his approval rating did not appear to take a hit, according to Gallup, coming in at 42 percent for the week of July 16-22.

The Gallup data is based on surveys of 19,414 U.S. adults conducted between April 23 and July 22. The margin of error is plus or minus 1 percentage point.

The Gallup average follows the release of a Wall Street Journal/NBC News poll on Sunday, showing Trump's latest approval number rising to 45 percent.

While Trump's approval in the WSJ/NBC poll was still among the lowest of any modern president at this point in his tenure, the survey showed his support among Republicans registered at 88 percent — a personal best for Trump.