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.
Idaho
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 |
25.9°F (-3.4°C) | 23.9°F (-4.5°C) |
2.0°F (1.1°C) | 91st Coolest | Coolest since: 1998 | 1990 |
| 36th Warmest | Warmest since: 1995 | 1917 | ||||
| Ties: 1901, 1907, 1942 | ||||||
|
Nov–Dec 1999 2-Month |
32.4°F (0.2°C) | 27.8°F (-2.3°C) |
4.6°F (2.5°C) | 123rd Coolest | Coolest since: 1998 | 1985 |
| 4th Warmest | Warmest since: 1939 | 1917 | ||||
|
Oct–Dec 1999 3-Month |
37.0°F (2.8°C) | 33.3°F (0.7°C) |
3.7°F (2.1°C) | 124th Coolest | Coolest since: 1998 | 1985 |
| 3rd Warmest | Warmest since: 1939 | 1917 | ||||
| Ties: 1939 | ||||||
|
Sep–Dec 1999 4-Month |
41.3°F (5.2°C) | 38.6°F (3.7°C) |
2.7°F (1.5°C) | 120th Coolest | Coolest since: 1998 | 1985 |
| 7th Warmest | Warmest since: 1953 | 1917 | ||||
| Ties: 1950 | ||||||
|
Aug–Dec 1999 5-Month |
46.1°F (7.8°C) | 43.6°F (6.4°C) |
2.5°F (1.4°C) | 122nd Coolest | Coolest since: 1998 | 1985 |
| 5th Warmest | Warmest since: 1939 | 1917 | ||||
| Ties: 1937, 2001 | ||||||
|
Jul–Dec 1999 6-Month |
49.0°F (9.4°C) | 47.1°F (8.4°C) |
1.9°F (1.0°C) | 113th Coolest | Coolest since: 1997 | 1985 |
| 14th Warmest | Warmest since: 1998 | 1917 | ||||
| Ties: 1958 | ||||||
|
Jun–Dec 1999 7-Month |
50.0°F (10.0°C) | 48.6°F (9.2°C) |
1.4°F (0.8°C) | 108th Coolest | Coolest since: 1998 | 1985 |
| 19th Warmest | Warmest since: 1998 | 1933, 2003 | ||||
| Ties: 1998 | ||||||
|
May–Dec 1999 8-Month |
49.6°F (9.8°C) | 48.7°F (9.3°C) |
0.9°F (0.5°C) | 99th Coolest | Coolest since: 1997 | 1916 |
| 28th Warmest | Warmest since: 1998 | 2015 | ||||
| Ties: 1904, 1949, 1963, 1994, 2002, 2004 | ||||||
|
Apr–Dec 1999 9-Month |
48.3°F (9.1°C) | 47.7°F (8.7°C) |
0.6°F (0.4°C) | 80th Coolest | Coolest since: 1997 | 1916 |
| 47th Warmest | Warmest since: 1998 | 1934 | ||||
| Ties: 1943, 1960, 1974, 2000 | ||||||
|
Mar–Dec 1999 10-Month |
46.9°F (8.3°C) | 46.3°F (7.9°C) |
0.6°F (0.4°C) | 86th Coolest | Coolest since: 1997 | 1916, 1985 |
| 41st Warmest | Warmest since: 1998 | 1934 | ||||
| Ties: 1901, 1941 | ||||||
|
Feb–Dec 1999 11-Month |
45.1°F (7.3°C) | 44.5°F (6.9°C) |
0.6°F (0.4°C) | 84th Coolest | Coolest since: 1997 | 1985 |
| 43rd Warmest | Warmest since: 1998 | 1934 | ||||
| Ties: 1904, 1938, 1949, 1974, 2005 | ||||||
|
Jan–Dec 1999 12-Month |
43.6°F (6.4°C) | 42.6°F (5.9°C) |
1.0°F (0.5°C) | 97th Coolest | Coolest since: 1997 | 1985 |
| 30th Warmest | Warmest since: 1998 | 1934 | ||||
| Ties: 1941, 1961, 1967, 1995, 2005 | ||||||
|
Jul 1998–Dec 1999 18-Month |
45.5°F (7.5°C) | 44.1°F (6.7°C) |
1.4°F (0.8°C) | 112th Coolest | Coolest since: 1998 | 1985 |
| 14th Warmest | Warmest since: 1992 | 1934 | ||||
| Ties: 1918, 1938, 2017 | ||||||
|
Jan 1998–Dec 1999 24-Month |
44.0°F (6.7°C) | 42.6°F (5.9°C) |
1.4°F (0.8°C) | 107th Coolest | Coolest since: 1998 | 1985 |
| 19th Warmest | Warmest since: 1995 | 2015, 2016 | ||||
| Ties: 1995 | ||||||
|
Jan 1997–Dec 1999 36-Month |
43.7°F (6.5°C) | 42.6°F (5.9°C) |
1.1°F (0.6°C) | 103rd Coolest | Coolest since: 1998 | 1913 |
| 22nd Warmest | Warmest since: 1996 | 2016 | ||||
| Ties: 1935, 1996, 2002, 2013 | ||||||
|
Jan 1996–Dec 1999 48-Month |
43.6°F (6.4°C) | 42.6°F (5.9°C) |
1.0°F (0.5°C) | 104th Coolest | Coolest since: 1998 | 1985 |
| 20th Warmest | Warmest since: 1998 | 2017 | ||||
| Ties: 1940, 1942, 1992, 1997, 1998, 2009, 2013 | ||||||
|
Jan 1995–Dec 1999 60-Month |
43.6°F (6.4°C) | 42.6°F (5.9°C) |
1.0°F (0.5°C) | 104th Coolest | Coolest since: 1997 | 1913, 1916 |
| 19th Warmest | Warmest since: 1998 | 2016, 2018 | ||||
| Ties: 1941, 1991, 2000, 2009 | ||||||
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/