WEATHER IN Waterloo
Climate tables. Data for Waterloo.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -36.7 (2009) | -11.8 | -7.0 | -2.1 | 18.3 (2002) |
| february | -35.0 (1996) | -9.3 | -4.5 | 0.3 | 21.7 (1921) |
| march | -36.7 (1962) | -2.8 | 2.6 | 8.1 | 30.6 (1986) |
| april | -20.0 (1982) | 3.3 | 9.7 | 16.1 | 37.8 (1980) |
| may | -5.6 (2005) | 10.1 | 16.4 | 22.7 | 42.2 (1934) |
| june | 0.6 (1897) | 16.0 | 21.9 | 27.9 | 41.7 (1934) |
| july | 5.6 (1984) | 17.8 | 23.6 | 29.4 | 44.4 (1936) |
| august | 0.6 (1950) | 16.1 | 22.2 | 28.3 | 43.3 (1936) |
| september | -7.2 (1899) | 11.3 | 18.1 | 24.9 | 38.9 (1922) |
| october | -17.8 (1925) | 4.6 | 10.9 | 17.2 | 35.0 (1997) |
| november | -27.2 (1977) | -2.4 | 3.0 | 8.4 | 28.3 (1933) |
| december | -33.9 (1919) | -8.3 | -3.7 | 0.9 | 19.4 (1998) |
| year | -36.7 (2009) | 2.9 | 8.8 | 14.6 | 44.4 (1936) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 28 | 3 (1962) | 56 (1996) | 52 (1909) |
| february | 29 | 0.5 (1969) | 90 (1971) | 46 (1948) |
| march | 50 | 4 (1994) | 138 (1961) | 50 (1998) |
| april | 103 | 24 (1971) | 274 (2008) | 78 (2008) |
| may | 117 | 21 (1992) | 289 (2004) | 87 (1980) |
| june | 145 | 36 (1989) | 257 (1993) | 111 (1980) |
| july | 110 | 8 (1998) | 326 (1999) | 140 (1999) |
| august | 106 | 2 (2003) | 268 (1998) | 125 (1966) |
| september | 80 | 14 (1966) | 289 (1965) | 152 (1941) |
| october | 70 | 1 (1975) | 149 (2009) | 67 (1961) |
| november | 47 | 2 (1976) | 143 (1992) | 76 (2003) |
| december | 37 | 3 (1998) | 96 (1982) | 43 (1982) |
| year | 878 | 482 (1988) | 1348 (1993) | 152 (1941) |
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 |