This study investigates the correlation between precipitation data and sunspot number (SSN) and galactic cosmic ray (CR) flux, at seven sites in Saudi Arabia over a 35-year period (1985-2019). The analysis includes annual, quarterly, and monthly mean precipitation data to investigate the relationships between rainfall and SSN and CR for all solar cycles together and for each individual cycle. The study finds that the strength, magnitude, proportion, and statistical significance of the relationship between precipitation and the two variables varied between stations, cycles, seasons, and months. Positive correlations between mean rainfall and SSN were observed in certain stations, seasons, and cycles, while negative correlations between mean rainfall and CR were found in others. The study discusses potential causes of terrestrial and extra-terrestrial factors that may affect the strength and magnitude of the results. These findings provide valuable insights into the potential role of solar activity in climate change and can inform the forecasting of future meteorological phenomena. However, the physical mechanism underlying the observed correlations remains poorly quantified.