There is one natural spring in Ramat Hanadiv - Ein Tzur - which discharges water at an average of 25 cubic metres (5,500 gallons) per day, with seasonal fluctuations.
Ramat Hanadiv is within the Mediterranean climate range. The annual average rainfall is about 500-600 mm (20-24 in.), increasing towards the north east. Most rainfall (90%) occurs between November and February. The average humidity is 69%.