Weather on May 15
Billings, MT
55 Years of Data
Avg High
73°F
Avg Low
43°F
Warmest
2001
72°F avg
Coldest
1974
44°F avg
About This Date
May 15th in Billings, MT typically brings pleasant spring weather, with average highs around 73°F and lows near 43°F — a 30°F daily swing. Over 55 years of records, the warmest May 15th was in 2001 (72°F average), while the coldest was 1974 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 15th dates historically, with the wettest May 15th recording 2.62" of rain. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in Billings, MT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 45° | 53° | — | — |
| 2024 | 67° | 46° | 56° | 0.66" | — |
| 2023 | 62° | 46° | 54° | — | — |
| 2022 | 67° | 39° | 53° | 0.05" | — |
| 2021 | 71° | 42° | 57° | 0.08" | — |
| 2020 | 67° | 44° | 55° | 0.56" | — |
| 2019 | 82° | 54° | 68° | 0.05" | — |
| 2018 | 70° | 42° | 56° | — | — |
| 2017 | 65° | 46° | 55° | — | — |
| 2016 | 57° | 39° | 48° | — | — |
| 2015 | 61° | 44° | 52° | 0.46" | — |
| 2014 | 75° | 44° | 60° | — | — |
| 2013 | 80° | 44° | 62° | — | — |
| 2012 | 84° | 42° | 63° | — | — |
| 2011 | 64° | 40° | 52° | — | — |
| 2010 | 75° | 39° | 57° | — | — |
| 2009 | 71° | 44° | 58° | 0.13" | — |
| 2008 | 69° | 45° | 57° | — | — |
| 2007 | 67° | 37° | 52° | — | — |
| 2006 | 76° | 40° | 58° | — | — |
| 2005 | 77° | 43° | 60° | — | — |
| 2004 | 70° | 31° | 50° | — | — |
| 2003 | 79° | 45° | 62° | — | — |
| 2002 | 80° | 38° | 59° | — | — |
| 2001warmest | 87° | 58° | 72° | 0.13" | — |
| 2000 | 75° | 46° | 61° | — | — |
| 1999 | 62° | 35° | 49° | — | — |
| 1998 | 69° | 44° | 57° | — | — |
| 1997 | 84° | 44° | 64° | — | — |
| 1996 | 77° | 50° | 64° | 1.04" | — |
| 1995 | 73° | 39° | 56° | — | — |
| 1994 | 74° | 45° | 59° | — | — |
| 1993 | 79° | 51° | 65° | 0.05" | — |
| 1992 | 78° | 39° | 59° | — | — |
| 1991 | 70° | 49° | 59° | 0.76" | — |
| 1990 | 67° | 37° | 52° | 0.69" | — |
| 1989 | 64° | 50° | 57° | 0.43" | — |
| 1988 | 72° | 40° | 56° | — | — |
| 1987 | 91° | 50° | 71° | — | — |
| 1986 | 59° | 37° | 48° | — | — |
| 1985 | 75° | 37° | 56° | — | — |
| 1984 | 89° | 54° | 71° | — | — |
| 1983 | 60° | 30° | 45° | — | — |
| 1982 | 68° | 44° | 56° | 0.15" | — |
| 1981 | 71° | 42° | 57° | — | — |
| 1980 | 74° | 43° | 58° | — | — |
| 1979 | 82° | 40° | 61° | — | — |
| 1978 | 92° | 46° | 69° | — | — |
| 1977 | 79° | 47° | 63° | 1.35" | — |
| 1976 | 63° | 41° | 52° | 2.62" | — |
| 1975 | 87° | 45° | 66° | — | — |
| 1974coldest | 57° | 30° | 44° | 0.05" | — |
| 1973 | 85° | 37° | 61° | — | — |
| 1972 | 85° | 35° | 60° | — | — |
| 1971 | 77° | 40° | 58° | — | — |
55 years of data from BILLINGS WTP