Promontory, Utah
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 34° -26° (1937) 59° (1997) 1.57" NA
February 20° 41° -28° (1933) 69° (1958) 1.5" NA
March 29° 51° -5° (1945) 84° (1943) 1.72" NA
April 35° 61° 1° (1936) 86° (1992) 1.77" NA
May 43° 70° 20° (1961) 94° (1940) 2.23" NA
June 50° 81° 31° (1962) 109° (1940) 1.2" NA
July 57° 90° 35° (1943) 107° (1931) 0.8" NA
August 55° 88° 33° (1943) 109° (1940) 0.86" NA
September 46° 78° 22° (1985) 100° (1950) 1.47" NA
October 35° 64° 14° (1935) 90° (1943) 1.65" NA
November 26° 47° -19° (1955) 79° (1958) 1.34" NA
December 17° 36° -19° (1990) 66° (1939) 1.39" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 66° 23° (1972) 85° (1981) 0.07" NA
May 2 39° 66° 27° (1929) 86° (1940) 0.07" NA
May 3 40° 66° 27° (1948) 89° (1940) 0.07" NA
May 4 40° 67° 25° (1944) 89° (1947) 0.07" NA
May 5 40° 67° 20° (1961) 88° (1947) 0.07" NA
May 6 41° 67° 25° (1968) 91° (1934) 0.07" NA
May 7 41° 67° 27° (1938) 90° (1947) 0.07" NA
May 8 41° 68° 26° (1931) 87° (1934) 0.08" NA
May 9 42° 68° 26° (1933) 87° (1954) 0.08" NA
May 10 42° 68° 26° (1953) 89° (1940) 0.08" NA
May 11 42° 69° 28° (1933) 94° (1940) 0.08" NA
May 12 42° 69° 28° (1943) 89° (1960) 0.08" NA
May 13 43° 69° 29° (1983) 90° (1959) 0.08" NA
May 14 43° 70° 31° (1956) 88° (1936) 0.08" NA
May 15 43° 70° 32° (1933) 88° (1960) 0.08" NA
May 16 43° 70° 31° (1943) 89° (1940) 0.08" NA
May 17 44° 71° 30° (1943) 87° (1934) 0.08" NA
May 18 44° 71° 30° (1943) 91° (1956) 0.07" NA
May 19 44° 71° 28° (1938) 90° (1954) 0.07" NA
May 20 44° 72° 30° (1989) 93° (1954) 0.07" NA
May 21 45° 72° 28° (1931) 90° (1956) 0.07" NA
May 22 45° 72° 31° (1930) 92° (1934) 0.07" NA
May 23 45° 73° 29° (1930) 92° (1934) 0.07" NA
May 24 45° 73° 32° (1944) 92° (1934) 0.07" NA
May 25 46° 74° 28° (1975) 93° (1940) 0.07" NA
May 26 46° 74° 30° (1975) 91° (1936) 0.07" NA
May 27 46° 74° 31° (2004) 91° (1974) 0.07" NA
May 28 46° 75° 28° (1954) 90° (1934) 0.06" NA
May 29 47° 75° 31° (1954) 91° (1939) 0.06" NA
May 30 47° 75° 31° (1953) 90° (1936) 0.06" NA
May 31 47° 76° 32° (1978) 93° (1956) 0.06" NA
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