Union Gap, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 35° -29° (1927) 64° (1971) 1.19" 6.9"
February 24° 42° -23° (1956) 66° (1901) 0.85" 2.6"
March 29° 53° -5° (1955) 80° (1923) 0.68" 0.7"
April 34° 61° 15° (1935) 94° (1977) 0.61" 0.1"
May 42° 69° 18° (1954) 99° (1986) 0.65" 0"
June 49° 76° 30° (1918) 103° (1925) 0.59" 0"
July 54° 84° 35° (1971) 110° (1928) 0.33" 0"
August 52° 84° 29° (1910) 103° (1977) 0.24" 0"
September 43° 76° 16° (1926) 97° (1974) 0.45" 0"
October 34° 62° 9° (1971) 87° (1904) 0.6" 0"
November 27° 45° -17° (1985) 71° (1933) 1.24" 3.4"
December 20° 33° -31° (1919) 59° (1938) 1.56" 7.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 32° 58° 17° (1975) 79° (1912) 0.02" 0"
Apr 2 32° 58° 15° (1935) 76° (1992) 0.02" 0"
Apr 3 32° 58° 18° (1918) 77° (1992) 0.02" 0"
Apr 4 33° 59° 17° (1918) 75° (1906) 0.02" 0"
Apr 5 33° 59° 20° (1911) 78° (1906) 0.02" 0"
Apr 6 33° 59° 19° (1901) 79° (1906) 0.02" 0"
Apr 7 33° 59° 20° (1909) 81° (1925) 0.01" 0.1"
Apr 8 33° 59° 20° (1901) 86° (1925) 0.02" 0"
Apr 9 33° 59° 19° (1928) 85° (1925) 0.02" 0"
Apr 10 33° 60° 21° (1983) 80° (1985) 0.02" 0"
Apr 11 34° 60° 20° (1911) 81° (1913) 0.02" 0"
Apr 12 34° 60° 20° (1906) 82° (1934) 0.02" 0"
Apr 13 34° 60° 20° (1968) 82° (1934) 0.02" 0"
Apr 14 34° 60° 20° (1911) 84° (1926) 0.02" 0"
Apr 15 34° 60° 17° (1911) 89° (1926) 0.02" 0"
Apr 16 34° 61° 20° (1901) 85° (1936) 0.02" 0"
Apr 17 34° 61° 21° (1964) 84° (1936) 0.02" 0"
Apr 18 35° 61° 17° (1909) 83° (1936) 0.02" 0"
Apr 19 35° 61° 18° (2008) 84° (1934) 0.02" 0"
Apr 20 35° 61° 16° (1927) 86° (1918) 0.03" 0"
Apr 21 35° 62° 20° (1985) 90° (1934) 0.02" 0"
Apr 22 35° 62° 21° (1917) 88° (1934) 0.02" 0"
Apr 23 36° 62° 23° (1916) 85° (1910) 0.02" 0"
Apr 24 36° 62° 22° (1924) 91° (1910) 0.02" 0"
Apr 25 36° 63° 23° (1901) 94° (1977) 0.02" 0"
Apr 26 36° 63° 19° (1970) 87° (1926) 0.03" 0"
Apr 27 37° 63° 20° (1970) 87° (1926) 0.02" 0"
Apr 28 37° 63° 20° (1907) 91° (1926) 0.02" 0"
Apr 29 37° 64° 21° (1907) 85° (1925) 0.02" 0"
Apr 30 38° 64° 24° (1904) 85° (1914) 0.02" 0"
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