Weather on February 17
Ontario, CA
55 Years of Data
About This Date
February 17th in Ontario, CA typically brings mild winter weather, with average highs around 68°F and lows near 45°F. Over 41 years of records, the warmest February 17th was in 2007 (72°F average), while the coldest was 1975 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of February 17th dates historically, with the wettest February 17th recording 7.34" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for February 17th in Ontario, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 58° | 46° | 52° | 0.69" | — |
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 63° | 50° | 56° | — | — |
| 2023 | 67° | 41° | 54° | — | — |
| 2022 | 70° | 44° | 57° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 73° | 44° | 59° | — | — |
| 2019 | 56° | 39° | 47° | 0.15" | — |
| 2018 | 76° | 45° | 60° | — | — |
| 2017 | 57° | 49° | 53° | 3.61" | — |
| 2016 | 79° | 51° | 65° | 0.91" | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 78° | 49° | 63° | — | — |
| 2013 | 70° | 40° | 55° | — | — |
| 2012 | 70° | 45° | 57° | — | — |
| 2011 | 58° | 39° | 48° | — | — |
| 2010 | 78° | 49° | 63° | — | — |
| 2009 | 56° | 42° | 49° | 0.89" | — |
| 2008 | 64° | 42° | 53° | — | — |
| 2007warmest | 84° | 60° | 72° | — | — |
| 2006 | 60° | 42° | 51° | 0.3" | — |
| 2005 | 73° | 48° | 61° | 0.48" | — |
| 2004 | 81° | 51° | 66° | — | — |
| 2003 | 64° | 52° | 58° | — | — |
| 2002 | 56° | 47° | 51° | 0.46" | — |
| 2001 | 66° | 43° | 54° | — | — |
| 2000 | 58° | 43° | 50° | — | — |
| 1999 | 66° | 46° | 56° | — | — |
| 1984 | 65° | 28° | 46° | — | — |
| 1982 | 66° | 52° | 59° | — | — |
| 1981 | 83° | 49° | 66° | — | — |
| 1980 | 65° | 52° | 58° | 7.34" | — |
| 1979 | 67° | 38° | 52° | — | — |
| 1978 | 65° | 37° | 51° | — | — |
| 1977 | 84° | 53° | 69° | — | — |
| 1976 | 65° | 39° | 52° | — | — |
| 1975coldest | 55° | 33° | 44° | 0.05" | — |
| 1974 | 60° | 44° | 52° | — | — |
| 1973 | 67° | 39° | 53° | — | — |
| 1972 | 78° | 44° | 61° | — | — |
| 1971 | 60° | 39° | 50° | 2.34" | — |
Ontario, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Ontario, CA Monthly Precipitation
Average rainfall per month, in inches.
Ontario, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Ontario, CA
Ontario, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.