Ontario Weather
Change Location
Records and Averages
| Month | Avg. High | Avg. Low | Avg. Precip | Rec. High | Rec. Low |
|---|---|---|---|---|---|
| January | 68.0° F | 45.0° F | 3.50 in | 93.0° F(01/18/1971) | 22.0° F (01/29/1979) |
| February | 70.0° F | 47.0° F | 3.42 in | 92.0° F(02/16/1977) | 28.0° F (02/17/1984) |
| March | 71.0° F | 47.0° F | 3.49 in | 97.0° F(03/17/1978) | 30.0° F (03/04/1966) |
| April | 76.0° F | 49.0° F | 0.63 in | 102.0° F(04/14/1984) | 30.0° F (04/20/1955) |
| May | 80.0° F | 53.0° F | 0.19 in | 112.0° F(05/29/1984) | 35.0° F (05/03/1959) |
| June | 88.0° F | 57.0° F | 0.01 in | 111.0° F(06/15/1961) | 42.0° F (06/15/1962) |
| July | 95.0° F | 62.0° F | 0.00 in | 114.0° F(07/28/1972) | 48.0° F (07/01/1982) |
| August | 95.0° F | 63.0° F | 0.11 in | 111.0° F(08/27/1981) | 48.0° F (08/25/1978) |
| September | 91.0° F | 62.0° F | 0.26 in | 117.0° F(09/13/1971) | 44.0° F (09/30/1955) |
| October | 83.0° F | 56.0° F | 0.27 in | 108.0° F(10/01/1980) | 33.0° F (10/22/1953) |
| November | 74.0° F | 49.0° F | 1.26 in | 96.0° F(11/01/1966) | 30.0° F (11/22/1983) |
| December | 69.0° F | 44.0° F | 1.63 in | 93.0° F(12/03/1958) | 23.0° F (12/09/1978) |
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