Climate at a Glance
Statewide Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2021. For more information, please see Climatological Rankings.
Montana
Average Temperature Rankings, May 1991
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
May 1991 1-Month |
49.8°F (9.9°C) | 50.2°F (10.1°C) |
-0.4°F (-0.2°C) | 62nd Coolest | Coolest since: 1990 | 1907, 1927 |
| 65th Warmest | Warmest since: 1989 | 1934 | ||||
| Ties: 1921 | ||||||
|
Apr–May 1991 2-Month |
45.2°F (7.3°C) | 45.5°F (7.5°C) |
-0.3°F (-0.2°C) | 57th Coolest | Coolest since: 1984 | 1975 |
| 70th Warmest | Warmest since: 1990 | 1934 | ||||
| Ties: 1902, 2009 | ||||||
|
Mar–May 1991 3-Month |
40.8°F (4.9°C) | 40.1°F (4.5°C) |
0.7°F (0.4°C) | 77th Coolest | Coolest since: 1989 | 1899 |
| 50th Warmest | Warmest since: 1990 | 1910 | ||||
| Ties: 1895, 1937, 1973 | ||||||
|
Feb–May 1991 4-Month |
39.1°F (3.9°C) | 35.4°F (1.9°C) |
3.7°F (2.0°C) | 115th Coolest | Coolest since: 1990 | 1899 |
| 12th Warmest | Warmest since: 1988 | 1992 | ||||
|
Jan–May 1991 5-Month |
34.4°F (1.3°C) | 31.7°F (-0.2°C) |
2.7°F (1.5°C) | 99th Coolest | Coolest since: 1989 | 1899 |
| 28th Warmest | Warmest since: 1990 | 1992 | ||||
|
Dec 1990–May 1991 6-Month |
30.9°F (-0.6°C) | 29.9°F (-1.2°C) |
1.0°F (0.6°C) | 81st Coolest | Coolest since: 1989 | 1917 |
| 45th Warmest | Warmest since: 1990 | 1992 | ||||
|
Nov 1990–May 1991 7-Month |
31.2°F (-0.4°C) | 29.8°F (-1.2°C) |
1.4°F (0.8°C) | 86th Coolest | Coolest since: 1989 | 1899 |
| 40th Warmest | Warmest since: 1990 | 1992 | ||||
| Ties: 1939 | ||||||
|
Oct 1990–May 1991 8-Month |
32.6°F (0.3°C) | 31.5°F (-0.3°C) |
1.1°F (0.6°C) | 83rd Coolest | Coolest since: 1989 | 1899 |
| 43rd Warmest | Warmest since: 1990 | 1934, 2000 | ||||
| Ties: 1995 | ||||||
|
Sep 1990–May 1991 9-Month |
35.7°F (2.1°C) | 34.0°F (1.1°C) |
1.7°F (1.0°C) | 94th Coolest | Coolest since: 1989 | 1899 |
| 32nd Warmest | Warmest since: 1990 | 2016 | ||||
| Ties: 1953, 1954, 1983, 2013 | ||||||
|
Aug 1990–May 1991 10-Month |
38.7°F (3.7°C) | 36.9°F (2.7°C) |
1.8°F (1.0°C) | 97th Coolest | Coolest since: 1989 | 1917 |
| 29th Warmest | Warmest since: 1990 | 1992, 2016 | ||||
| Ties: 1963 | ||||||
|
Jul 1990–May 1991 11-Month |
41.2°F (5.1°C) | 39.6°F (4.2°C) |
1.6°F (0.9°C) | 97th Coolest | Coolest since: 1989 | 1917 |
| 29th Warmest | Warmest since: 1990 | 1992, 2016 | ||||
| Ties: 1900, 2017 | ||||||
|
Jun 1990–May 1991 12-Month |
42.6°F (5.9°C) | 41.1°F (5.1°C) |
1.5°F (0.8°C) | 97th Coolest | Coolest since: 1989 | 1917 |
| 29th Warmest | Warmest since: 1990 | 2016 | ||||
| Ties: 1977, 1995 | ||||||
|
Dec 1989–May 1991 18-Month |
39.2°F (4.0°C) | 37.4°F (3.0°C) |
1.8°F (1.0°C) | 105th Coolest | Coolest since: 1990 | 1917 |
| 20th Warmest | Warmest since: 1988 | 2016 | ||||
| Ties: 1964, 1993, 1995 | ||||||
|
Jun 1989–May 1991 24-Month |
42.8°F (6.0°C) | 41.1°F (5.1°C) |
1.7°F (0.9°C) | 107th Coolest | Coolest since: 1990 | 1917 |
| 18th Warmest | Warmest since: 1988 | 2016 | ||||
| Ties: 2015 | ||||||
|
Jun 1988–May 1991 36-Month |
42.5°F (5.8°C) | 41.1°F (5.1°C) |
1.4°F (0.7°C) | 101st Coolest | Coolest since: 1987 | 1918 |
| 23rd Warmest | Warmest since: 1990 | 2017 | ||||
| Ties: 1940, 1942 | ||||||
|
Jun 1987–May 1991 48-Month |
42.7°F (5.9°C) | 41.1°F (5.1°C) |
1.6°F (0.8°C) | 107th Coolest | Coolest since: 1989 | 1899, 1952 |
| 16th Warmest | Warmest since: 1990 | 2016 | ||||
| Ties: 1934, 1993, 2003, 2019 | ||||||
|
Jun 1986–May 1991 60-Month |
42.9°F (6.1°C) | 41.0°F (5.0°C) |
1.9°F (1.1°C) | 111th Coolest | Coolest since: 1990 | 1952 |
| 11th Warmest | Warmest to Date | 2016 | ||||
| Ties: 2004, 2019 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on March 5, 2021 from https://www.ncdc.noaa.gov/cag/