Weather on May 18
Roseville, CA
55 Years of Data
Avg High
82°F
Avg Low
52°F
Warmest
2008
85°F avg
Coldest
1974
50°F avg
About This Date
May 18th in Roseville, CA typically brings warm spring weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 54 years of records, the warmest May 18th was in 2008 (85°F average), while the coldest was 1974 (50°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 18th dates historically, with the wettest May 18th recording 1.02" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Roseville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 47° | 65° | — | — |
| 2024 | 86° | 56° | 71° | — | — |
| 2023 | 92° | 56° | 74° | — | — |
| 2022 | 97° | 50° | 73° | — | — |
| 2021 | 88° | 53° | 70° | — | — |
| 2020 | 69° | 51° | 60° | — | — |
| 2019 | 61° | 50° | 55° | — | — |
| 2018 | 86° | 53° | 70° | — | — |
| 2017 | 85° | 46° | 65° | — | — |
| 2016 | 95° | 56° | 75° | — | — |
| 2015 | 77° | 50° | 64° | — | — |
| 2014 | 82° | 58° | 70° | — | — |
| 2013 | 83° | 50° | 66° | — | — |
| 2012 | 85° | 47° | 66° | — | — |
| 2011 | 69° | 48° | 59° | — | — |
| 2010 | 74° | 51° | 62° | — | — |
| 2009 | 100° | 64° | 82° | — | — |
| 2008warmest | 103° | 67° | 85° | — | — |
| 2007 | 85° | 52° | 68° | — | — |
| 2006 | 97° | 61° | 79° | — | — |
| 2005 | 64° | 53° | 59° | — | — |
| 2004 | 79° | 53° | 66° | — | — |
| 2003 | 80° | 43° | 61° | — | — |
| 2002 | 81° | 51° | 66° | — | — |
| 2001 | 93° | 53° | 73° | — | — |
| 2000 | 85° | 49° | 67° | — | — |
| 1999 | 82° | 51° | 67° | — | — |
| 1998 | 78° | 39° | 59° | — | — |
| 1997 | 101° | 60° | 80° | — | — |
| 1996 | 70° | 55° | 62° | — | — |
| 1995 | 84° | 51° | 68° | — | — |
| 1994 | 71° | 48° | 60° | — | — |
| 1993 | 82° | 56° | 69° | — | — |
| 1992 | 87° | 55° | 71° | — | — |
| 1991 | 62° | 46° | 54° | 1.02" | — |
| 1990 | 77° | 48° | 63° | — | — |
| 1989 | 81° | 51° | 66° | — | — |
| 1988 | 72° | 48° | 60° | — | — |
| 1987 | 81° | 49° | 65° | — | — |
| 1985 | 74° | 50° | 62° | — | — |
| 1984 | 80° | 52° | 66° | — | — |
| 1983 | 86° | 59° | 73° | — | — |
| 1982 | 75° | 45° | 60° | — | — |
| 1981 | 80° | 55° | 68° | 0.41" | — |
| 1980 | 87° | 55° | 71° | — | — |
| 1979 | 90° | 57° | 73° | — | — |
| 1978 | 83° | 59° | 71° | — | — |
| 1977 | 72° | 46° | 59° | — | — |
| 1976 | 81° | 48° | 64° | — | — |
| 1975 | 91° | 56° | 73° | — | — |
| 1974coldest | 65° | 35° | 50° | — | — |
| 1973 | 100° | 68° | 84° | — | — |
| 1972 | 77° | 45° | 61° | — | — |
| 1971 | 74° | 40° | 57° | — | — |
54 years of data from ROCKLIN