- The average annual rainfall in Blue, Arizona, according to the Weather Channel, is 21.14 inches. The average monthly rainfall is 1.76 inches.
- August is the wettest month in Blue, with an average rainfall of 3.8 inches. July is a close second, with an average rainfall of 3.59 inches.
- April is the driest month in Blue, with an average rainfall of 0.54 inch. May is a close second, with an average rainfall of 0.63 inch.
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