Average August Temperature in Rexburg by Year

This page contains a list of the average monthly high and low temperatures in Rexburg, Idaho for the month of August each year between 1977 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Rexburg?

2022 was the warmest August in the history of Rexburg, Idaho. The average daily high temperature was 89.2 °F, and the average low was 54.2 °F.

What Was the Coldest August Ever in Rexburg?

1993 was the coolest August in the history of Rexburg, Idaho. The average daily high temperature was 77.9 °F, and the average low was 44.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	8	83.9	54.0
2022	1	89.2	54.2
2021	22	82.5	50.4
2020	2	87.7	53.3
2019	13	85.3	49.3
2018	20	84.5	48.9
2017	19	83.9	49.5
2016	21	83.7	49.3
2015	17	83.0	50.7
2014	39	77.1	49.8
2013	4	87.6	51.5
2012	9	86.6	50.7
2011	14	84.2	50.4
2010	28	81.8	49.4
2009	34	81.7	48.3
2007	10	85.3	51.9
2006	33	82.9	47.2
2005	29	83.2	47.6
2004	43	79.2	44.5
2001	24	86.3	46.2
2000	12	85.3	49.5
1999	35	82.0	47.2
1998	18	86.5	47.1
1997	32	83.0	47.4
1996	30	85.3	45.3
1995	36	82.7	45.8
1994	5	89.6	49.4
1993	44	77.9	44.7
1992	27	84.6	47.5
1991	7	87.4	50.7
1990	23	85.6	47.2
1989	37	82.2	46.0
1988	26	86.4	45.9
1987	40	82.2	44.5
1986	15	87.0	47.0
1985	41	83.7	43.0
1984	16	83.1	50.8
1983	6	85.7	52.6
1982	11	86.6	48.4
1981	3	90.0	50.3
1980	42	80.2	45.0
1979	25	84.0	48.5
1978	38	80.9	46.0
1977	31	82.1	48.4

Weather Station Details

Years	Station	Coordinates
1977–2024	Rexburg BYU	location
1946–1976	Rexburg	location