Josh Richardson had his best three-point percentage in a season in his rookie season in 2015-16, at 46.1 percent.

josh richardson highest 3pt% in a season
2015-16Richardson2021-22Richardson2017-18Richardson2018-19Richardson2019-20Richardson2016-17Richardson2020-21Richardson46.141.537.835.734.133.033.0
NAMESEASONTMGP3P%MPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PAFTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Josh RichardsonJosh Richardson2015-16
MIAMIA
5246.121.36.62.11.40.70.50.72.45.245.21.02.20.81.266.71,10734110773362535107+39
Josh RichardsonJosh Richardson2021-22
TOT
6541.524.610.22.81.80.90.41.03.68.243.81.63.81.51.788.91,600666185115562966116+138
Josh RichardsonJosh Richardson2017-18
MIAMIA
8137.833.212.93.52.91.50.91.74.910.945.11.64.11.51.884.52,6891,04528523112175140199+40
Josh RichardsonJosh Richardson2018-19
MIAMIA
7335.734.816.63.64.11.10.51.55.814.141.22.26.32.73.286.12,5391,2092632987934113200+68
Josh RichardsonJosh Richardson2019-20
PHIPHI
5534.130.813.73.22.90.90.71.95.111.743.01.54.52.12.680.91,6937551741625236104136+119
Josh RichardsonJosh Richardson2016-17
MIAMIA
5333.030.510.23.22.61.10.71.23.89.739.41.44.31.11.577.91,614539168140603965132+7
Josh RichardsonJosh Richardson2020-21
DALDAL
5933.030.312.13.32.61.00.41.34.510.542.71.54.51.71.891.71,790715195153612479130-47
StatMuse has season-level data for three-point percentage going back to the 1979-80 season.