Weather on May 20
Billings, MT
55 Years of Data
Avg High
71°F
Avg Low
44°F
Warmest
1992
77°F avg
Coldest
1975
39°F avg
About This Date
May 20th in Billings, MT typically brings pleasant spring weather, with average highs around 71°F and lows near 44°F — a 27°F daily swing. Over 55 years of records, the warmest May 20th was in 1992 (77°F average), while the coldest was 1975 (39°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 20th dates historically, with the wettest May 20th recording 3.15" of rain. The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Billings, MT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 43° | 49° | 0.03" | — |
| 2024 | 58° | 39° | 48° | — | — |
| 2023 | 76° | 45° | 60° | — | — |
| 2022 | 60° | 34° | 47° | — | — |
| 2021 | 70° | 48° | 59° | 0.23" | — |
| 2020 | 79° | 53° | 66° | — | — |
| 2019 | 46° | 39° | 43° | — | — |
| 2018 | 56° | 39° | 47° | 0.03" | — |
| 2017 | 61° | 37° | 49° | — | — |
| 2016 | 81° | 49° | 65° | 0.46" | — |
| 2015 | 54° | 37° | 45° | — | — |
| 2014 | 66° | 45° | 55° | — | — |
| 2013 | 66° | 49° | 57° | 0.81" | — |
| 2012 | 76° | 41° | 58° | 0.18" | — |
| 2011 | 63° | 45° | 54° | 3.15" | — |
| 2010 | 76° | 53° | 64° | 0.1" | — |
| 2009 | 90° | 47° | 68° | — | — |
| 2008 | 87° | 44° | 66° | — | — |
| 2007 | 80° | 55° | 68° | — | — |
| 2006 | 84° | 53° | 69° | 0.05" | — |
| 2005 | 79° | 50° | 64° | — | — |
| 2004 | 72° | 41° | 56° | — | — |
| 2003 | 67° | 31° | 49° | — | — |
| 2002 | 84° | 50° | 67° | — | — |
| 2001 | 83° | 32° | 57° | 0.2" | — |
| 2000 | 75° | 47° | 61° | — | — |
| 1999 | 78° | 42° | 60° | — | — |
| 1998 | 64° | 41° | 53° | — | — |
| 1997 | 72° | 38° | 55° | — | — |
| 1996 | 66° | 46° | 56° | — | — |
| 1995 | 70° | 39° | 54° | — | — |
| 1994 | 69° | 47° | 58° | 1.12" | — |
| 1993 | 78° | 43° | 60° | — | — |
| 1992warmest | 93° | 61° | 77° | 0.74" | — |
| 1991 | 78° | 57° | 68° | — | — |
| 1990 | 70° | 45° | 57° | — | — |
| 1989 | 68° | 35° | 52° | 0.1" | — |
| 1988 | 69° | 38° | 53° | — | — |
| 1987 | 64° | 35° | 50° | 1.27" | — |
| 1986 | 88° | 47° | 67° | — | — |
| 1985 | 85° | 46° | 65° | — | — |
| 1984 | 62° | 50° | 56° | 0.18" | — |
| 1983 | 70° | 41° | 55° | 0.05" | — |
| 1982 | 64° | 47° | 55° | 0.3" | — |
| 1981 | 74° | 50° | 62° | 0.2" | — |
| 1980 | 85° | 49° | 67° | — | — |
| 1979 | 69° | 38° | 53° | — | — |
| 1978 | 70° | 40° | 55° | — | — |
| 1977 | 62° | 42° | 52° | — | — |
| 1976 | 76° | 50° | 63° | — | — |
| 1975coldest | 48° | 30° | 39° | 0.1" | — |
| 1974 | 48° | 36° | 42° | 1.93" | — |
| 1973 | 85° | 58° | 71° | — | — |
| 1972 | 69° | 50° | 60° | 0.43" | — |
| 1971 | 65° | 43° | 54° | — | — |
55 years of data from BILLINGS WTP