CHELSA provides high resolution paleo climatic data for different time periods. There are several models based on PMIP3 available for the last glacial maximum (LGM) and an additional centennial timeseries from the LGM till today (CHELSA-TraCE21k).
PMIP3 data can be found here: DOWNLOAD:
CHELSA-TraCE21k data can be found here: DOWNLOAD: