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Hays, MT Climate

1991 to 2020 normals at Zortman, 9.2 mi from the center of Hays, elevation 4035 ft.

Average weather by month

Select a month for daily normals and last year's weather

MonthRangeHighLowPrecip.Snow
January34°14°0.92 in--
February34°15°0.63 in--
March43°22°0.83 in--
April51°30°1.77 in--
May61°39°3.18 in--
June69°47°4.00 in--
July79°54°2.32 in--
August79°52°1.45 in--
September68°43°1.37 in--
October54°33°1.29 in--
November42°24°0.99 in--
December35°16°0.71 in--
Year54°19.46 in--

Frequently asked questions

What is the hottest month in Hays, MT?
July is the warmest month, with a normal high of 79°F at Zortman.
What is the coldest month in Hays, MT?
January is the coldest month, with a normal low of 14°F.
What is the wettest month in Hays, MT?
June has the most precipitation on average, about 4.00 inches.