With a population of around 4,300, Shelley sits in Idaho, United States. The city operates in the America/Boise time zone.
Across a typical year Shelley sees about 10 inches of precipitation, with May the wettest month and July the driest. Temperatures range from January lows near 12°F up to July highs around 87°F, averaging 44°F annually — characteristic of a semi-arid climate.