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 April 2022. 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 (1895-2021) |
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 |
| 14th 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) | 127th 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) | 127th 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 |
| 5th Warmest | Warmest since: 1963 | 2021 | ||||
|
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 |
| 4th Warmest | Warmest since: 1963 | 2021 | ||||
| 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 |
| 7th Warmest | Warmest since: 1963 | 2021 | ||||
|
Jun–Dec 1999 7-Month |
49.7°F (9.8°C) | 47.5°F (8.6°C) |
2.2°F (1.2°C) | 115th Coolest | Coolest since: 1998 | 1916 |
| 13th Warmest | Warmest since: 1988 | 2021 | ||||
|
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 |
| 20th Warmest | Warmest since: 1994 | 2021 | ||||
|
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 |
| 30th Warmest | Warmest since: 1998 | 2021 | ||||
|
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 |
| 21st 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 |
| 13th 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 |
| 8th 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 |
| 7th 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 |
| 12th 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) | 108th 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 |
| 24th 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 |
| 24th 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 May 2022, retrieved on May 23, 2022 from https://www.ncdc.noaa.gov/cag/