WEATHER IN Pendleton
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -26 (1930) | 28.0 | 34.9 | 41.7 | 71 (1935) |
| february | -18 (1950) | 29.6 | 38.0 | 46.4 | 75 (1996) |
| march | 1 (1993) | 33.7 | 44.4 | 55.0 | 80 (2004) |
| april | 18 (1936) | 38.3 | 50.1 | 61.8 | 95 (1934) |
| may | 22 (1897) | 45.0 | 57.9 | 70.9 | 103 (1897) |
| june | 28 (1915) | 50.7 | 64.6 | 78.4 | 108 (1961) |
| july | 38 (1932) | 56.7 | 73.0 | 89.2 | 114 (1905) |
| august | 30 (1907) | 56.0 | 71.8 | 87.6 | 119 (1898) |
| september | 21 (1926) | 49.0 | 63.5 | 78.0 | 104 (1930) |
| october | 11 (1935) | 39.4 | 51.5 | 63.5 | 93 (1931) |
| november | -13 (1896) | 32.3 | 40.7 | 49.1 | 80 (1999) |
| december | -28 (1919) | 27.5 | 34.2 | 40.8 | 75 (1921) |
| year | -28 (1919) | 41.2 | 52.2 | 63.2 | 119 (1898) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 1.52 | 0.21 (1949) | 3.92 (1970) | 2.00 (1912) |
| february | 1.19 | 0.07 (1964) | 3.03 (1940) | 1.12 (1994) |
| march | 1.33 | 0.24 (1941) | 2.82 (1983) | 1.00 (1983) |
| april | 1.21 | 0.01 (1956) | 2.78 (1978) | 1.24 (1990) |
| may | 1.45 | 0.03 (1964) | 3.18 (1991) | 1.64 (1906) |
| june | 1.05 | 0.00 (2003) | 2.70 (1947) | 1.17 (1942) |
| july | 0.26 | 0.00 (1929) | 1.45 (1993) | 1.18 (1948) |
| august | 0.31 | 0.00 (1931) | 2.58 (1977) | 2.19 (1993) |
| september | 0.53 | 0.00 (1943) | 2.34 (1941) | 1.23 (1899) |
| october | 1.09 | 0.00 (1978) | 2.79 (1947) | 1.40 (1982) |
| november | 1.39 | 0.04 (1939) | 3.76 (1973) | 1.35 (1971) |
| december | 1.50 | 0.21 (1989) | 4.68 (1973) | 1.25 (1978) |
| year | 12.66 | 6.77 (1967) | 18.77 (2010) | 2.19 (1993) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |