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 March 2021. For more information, please see Climatological Rankings.
Wyoming
Average Temperature Rankings, December 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1999 1-Month |
25.2°F (-3.8°C) | 20.6°F (-6.3°C) |
4.6°F (2.5°C) | 114th Coolest | Coolest since: 1998 | 1909, 1983 |
| 13th Warmest | Warmest since: 1994 | 1980 | ||||
| Ties: 1959 | ||||||
|
Nov–Dec 1999 2-Month |
32.0°F (0.0°C) | 24.8°F (-4.0°C) |
7.2°F (4.0°C) | 126th Coolest | Coolest since: 1998 | 1978 |
| 1st Warmest | Warmest to Date | 1999 | ||||
|
Oct–Dec 1999 3-Month |
36.3°F (2.4°C) | 30.7°F (-0.7°C) |
5.6°F (3.1°C) | 126th Coolest | Coolest since: 1998 | 1919 |
| 1st Warmest | Warmest to Date | 1999 | ||||
|
Sep–Dec 1999 4-Month |
40.0°F (4.4°C) | 36.4°F (2.4°C) |
3.6°F (2.0°C) | 123rd Coolest | Coolest since: 1998 | 1919 |
| 4th Warmest | Warmest since: 1963 | 1933 | ||||
|
Aug–Dec 1999 5-Month |
45.0°F (7.2°C) | 41.8°F (5.4°C) |
3.2°F (1.8°C) | 124th Coolest | Coolest since: 1998 | 1916, 1985 |
| 3rd Warmest | Warmest since: 1963 | 1933 | ||||
| Ties: 1939 | ||||||
|
Jul–Dec 1999 6-Month |
48.5°F (9.2°C) | 45.7°F (7.6°C) |
2.8°F (1.6°C) | 121st Coolest | Coolest since: 1998 | 1911 |
| 6th Warmest | Warmest since: 1963 | 1933 | ||||
|
Jun–Dec 1999 7-Month |
49.7°F (9.8°C) | 47.5°F (8.6°C) |
2.2°F (1.2°C) | 116th Coolest | Coolest since: 1998 | 1916 |
| 11th Warmest | Warmest since: 1988 | 1933 | ||||
| Ties: 2020 | ||||||
|
May–Dec 1999 8-Month |
49.3°F (9.6°C) | 47.6°F (8.7°C) |
1.7°F (0.9°C) | 108th Coolest | Coolest since: 1998 | 1916 |
| 19th Warmest | Warmest since: 1994 | 2012 | ||||
|
Apr–Dec 1999 9-Month |
47.9°F (8.8°C) | 46.6°F (8.1°C) |
1.3°F (0.7°C) | 98th Coolest | Coolest since: 1997 | 1916 |
| 29th Warmest | Warmest since: 1998 | 2012 | ||||
|
Mar–Dec 1999 10-Month |
46.5°F (8.1°C) | 44.8°F (7.1°C) |
1.7°F (1.0°C) | 107th Coolest | Coolest since: 1998 | 1912 |
| 20th Warmest | Warmest since: 1994 | 2012 | ||||
| Ties: 1900, 2004 | ||||||
|
Feb–Dec 1999 11-Month |
44.8°F (7.1°C) | 42.7°F (5.9°C) |
2.1°F (1.2°C) | 115th Coolest | Coolest since: 1998 | 1912 |
| 12th Warmest | Warmest since: 1988 | 2012 | ||||
| Ties: 1954 | ||||||
|
Jan–Dec 1999 12-Month |
43.2°F (6.2°C) | 40.8°F (4.9°C) |
2.4°F (1.3°C) | 120th Coolest | Coolest since: 1998 | 1895 |
| 7th Warmest | Warmest since: 1981 | 2012 | ||||
| Ties: 2001, 2006, 2017 | ||||||
|
Jul 1998–Dec 1999 18-Month |
44.9°F (7.2°C) | 42.4°F (5.8°C) |
2.5°F (1.4°C) | 120th Coolest | Coolest since: 1998 | 1912 |
| 6th Warmest | Warmest since: 1981 | 1934 | ||||
|
Jan 1998–Dec 1999 24-Month |
42.8°F (6.0°C) | 40.7°F (4.8°C) |
2.1°F (1.2°C) | 115th Coolest | Coolest since: 1998 | 1917 |
| 11th Warmest | Warmest since: 1981 | 2016 | ||||
| Ties: 1935, 1981, 2000, 2018 | ||||||
|
Jan 1997–Dec 1999 36-Month |
42.3°F (5.7°C) | 40.7°F (4.8°C) |
1.6°F (0.9°C) | 107th Coolest | Coolest since: 1998 | 1913, 1917, 1918 |
| 18th Warmest | Warmest since: 1988 | 2017 | ||||
| Ties: 2004 | ||||||
|
Jan 1996–Dec 1999 48-Month |
42.0°F (5.6°C) | 40.7°F (4.8°C) |
1.3°F (0.8°C) | 101st Coolest | Coolest since: 1998 | 1898 |
| 23rd Warmest | Warmest since: 1990 | 2018 | ||||
| Ties: 2009 | ||||||
|
Jan 1995–Dec 1999 60-Month |
41.9°F (5.5°C) | 40.7°F (4.8°C) |
1.2°F (0.7°C) | 100th Coolest | Coolest since: 1998 | 1899 |
| 23rd Warmest | Warmest since: 1998 | 2016 | ||||
| Ties: 1998, 2012 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on May 7, 2021 from https://www.ncdc.noaa.gov/cag/