Promontory, Utah
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 37° -26° (1937) 59° (1997) 1.47" NA
February 21° 41° -28° (1933) 69° (1958) 1.54" NA
March 31° 53° -5° (1945) 84° (1943) 1.58" NA
April 36° 63° 1° (1936) 86° (1992) 1.78" NA
May 44° 71° 20° (1961) 94° (1940) 2.17" NA
June 50° 82° 31° (1962) 109° (1940) 1.25" NA
July 57° 91° 35° (1943) 107° (1931) 0.63" NA
August 56° 91° 33° (1943) 109° (1940) 0.8" NA
September 46° 79° 22° (1985) 100° (1950) 1.4" NA
October 36° 65° 14° (1935) 90° (1943) 1.67" NA
November 27° 49° -19° (1955) 79° (1958) 1.14" NA
December 19° 37° -19° (1990) 66° (1939) 1.35" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 52° 86° 36° (1932) 100° (1950) 0.03" NA
Sep 2 52° 86° 38° (1944) 99° (1950) 0.03" NA
Sep 3 51° 85° 37° (1939) 99° (1950) 0.03" NA
Sep 4 51° 85° 35° (1943) 99° (1950) 0.02" NA
Sep 5 51° 84° 34° (1956) 97° (1947) 0.04" NA
Sep 6 50° 84° 37° (1943) 98° (1955) 0.03" NA
Sep 7 50° 83° 37° (1945) 99° (1955) 0.03" NA
Sep 8 50° 83° 36° (1941) 94° (1944) 0.03" NA
Sep 9 49° 82° 37° (1929) 94° (1990) 0.03" NA
Sep 10 49° 82° 35° (1928) 95° (1990) 0.03" NA
Sep 11 48° 81° 30° (1946) 96° (1990) 0.04" NA
Sep 12 48° 81° 34° (1931) 94° (1990) 0.04" NA
Sep 13 48° 80° 35° (1947) 97° (1990) 0.05" NA
Sep 14 47° 80° 32° (1928) 95° (1990) 0.04" NA
Sep 15 47° 79° 28° (1947) 96° (1990) 0.05" NA
Sep 16 46° 79° 28° (1944) 91° (1995) 0.06" NA
Sep 17 46° 78° 30° (1945) 92° (1928) 0.06" NA
Sep 18 45° 78° 29° (1945) 93° (1937) 0.05" NA
Sep 19 45° 77° 29° (1971) 92° (1956) 0.06" NA
Sep 20 45° 77° 30° (1957) 91° (1937) 0.06" NA
Sep 21 44° 76° 25° (1983) 92° (1935) 0.05" NA
Sep 22 44° 76° 28° (1956) 89° (1935) 0.06" NA
Sep 23 43° 75° 29° (1955) 90° (1949) 0.06" NA
Sep 24 43° 74° 27° (1956) 93° (1949) 0.06" NA
Sep 25 43° 74° 25° (1958) 91° (1949) 0.06" NA
Sep 26 42° 73° 29° (1934) 90° (1949) 0.06" NA
Sep 27 42° 73° 29° (1934) 92° (1949) 0.05" NA
Sep 28 41° 72° 27° (1971) 89° (1938) 0.07" NA
Sep 29 41° 72° 25° (1985) 92° (1957) 0.06" NA
Sep 30 41° 71° 22° (1985) 93° (1957) 0.06" NA
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