Weather on May 19
Pomona, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
2008
81°F avg
Coldest
2019
54°F avg
About This Date
May 19th in Pomona, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 52°F — a 26°F daily swing. Over 52 years of records, the warmest May 19th was in 2008 (81°F average), while the coldest was 2019 (54°F) — a 27°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
Planning for May 19th in Pomona, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 49° | 67° | — | — |
| 2024 | 72° | 49° | 60° | — | — |
| 2023 | 71° | 54° | 62° | — | — |
| 2022 | 73° | 51° | 62° | — | — |
| 2021 | 75° | 51° | 63° | — | — |
| 2020 | 68° | 49° | 58° | — | — |
| 2019coldest | 61° | 48° | 54° | — | — |
| 2018 | 66° | 53° | 60° | — | — |
| 2017 | 86° | 55° | 71° | — | — |
| 2016 | 74° | 53° | 63° | — | — |
| 2015 | 70° | 47° | 58° | — | — |
| 2014 | 75° | 53° | 64° | — | — |
| 2013 | 79° | 50° | 64° | — | — |
| 2012 | 85° | 54° | 69° | — | — |
| 2011 | 70° | 45° | 57° | — | — |
| 2010 | 76° | 50° | 63° | — | — |
| 2009 | 88° | 59° | 73° | — | — |
| 2008warmest | 97° | 65° | 81° | — | — |
| 2007 | 80° | 49° | 64° | — | — |
| 2006 | 84° | 59° | 72° | — | — |
| 2005 | 91° | 55° | 73° | — | — |
| 2004 | 79° | 55° | 67° | — | — |
| 2003 | 87° | 53° | 70° | — | — |
| 2002 | 73° | 55° | 64° | — | — |
| 2001 | 72° | 58° | 65° | — | — |
| 2000 | 88° | 57° | 72° | — | — |
| 1999 | 73° | 49° | 61° | — | — |
| 1995 | 81° | 52° | 66° | — | — |
| 1994 | 70° | 48° | 59° | — | — |
| 1993 | 82° | 49° | 65° | — | — |
| 1992 | 71° | 52° | 61° | — | — |
| 1991 | 72° | 41° | 56° | — | — |
| 1990 | 67° | 55° | 61° | — | — |
| 1989 | 80° | 50° | 65° | — | — |
| 1988 | 88° | 49° | 68° | — | — |
| 1987 | 68° | 56° | 62° | — | — |
| 1986 | 87° | 50° | 69° | — | — |
| 1985 | 70° | 50° | 60° | — | — |
| 1984 | 87° | 48° | 68° | — | — |
| 1983 | 85° | 62° | 73° | — | — |
| 1982 | 78° | 56° | 67° | — | — |
| 1981 | 76° | 54° | 65° | — | — |
| 1980 | 83° | 57° | 70° | — | — |
| 1979 | 76° | 50° | 63° | — | — |
| 1978 | 92° | 53° | 72° | — | — |
| 1977 | 74° | 43° | 58° | — | — |
| 1976 | 85° | 51° | 68° | — | — |
| 1975 | 73° | 52° | 62° | — | — |
| 1974 | 67° | 44° | 55° | — | — |
| 1973 | 79° | 52° | 65° | — | — |
| 1972 | 65° | 51° | 58° | — | — |
| 1971 | 86° | 53° | 70° | — | — |
52 years of data from POMONA/FAIRPLEX