Earliest and Latest Days of 70° F in Alta

This is a list of the earliest and latest days in the year with a high temperature of at least 70 °F in Alta, Utah history. It is based on NOAA data from the years 1905–2024.

Also see:

Earliest 70 degree day in Alta?

The earliest in the year that Alta, Utah had a high temperature of at least 70 °F is May 2 which happened in 1981.

Latest 70 degree day in Alta?

The latest in the year that Alta, Utah had a high temperature of at least 70 °F is October 22 which happened in 2003.

Earliest Days ≥ 70 °F

Date	Year	Temperature
May 2	1981	70 °F
May 15	2012	70 °F
May 18	2009	70 °F
May 21	2012	71 °F
May 22	2003	71 °F
May 23	1979	71 °F
May 24	2001	70 °F
May 24	1979	76 °F
May 25	2018	70 °F
May 25	2001	71 °F
May 26	2001	71 °F
May 27	2014	70 °F
May 27	1969	71 °F
May 28	2014	70 °F
May 28	2003	74 °F
May 28	2000	70 °F
May 28	1979	78 °F
May 28	1974	72 °F
May 29	2020	73 °F
May 29	2003	76 °F
May 29	2000	70 °F

Latest Days ≥ 70 °F

Date	Year	Temperature
October 22	2003	70 °F
October 20	2014	71 °F
October 10	1996	71 °F
October 8	1979	70 °F
October 3	1906	85 °F
October 2	2010	72 °F
October 2	1906	70 °F
October 1	2015	70 °F
October 1	2010	72 °F
October 1	1992	70 °F
October 1	1906	72 °F
September 30	2011	71 °F
September 30	2003	70 °F
September 30	1906	73 °F
September 29	2010	70 °F
September 29	2003	70 °F
September 29	1906	72 °F
September 28	2010	73 °F
September 28	2009	71 °F
September 28	1994	70 °F
September 28	1906	70 °F