Climate at a Glance | Statewide Rankings | National Centers for Environmental Information (NCEI)

Statewide Rankings

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Colorado

December 2003 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 2003 1-Month	28.6°F (-1.9°C)	25.2°F (-3.8°C)	3.4°F	107th Coolest	Coolest since: 2002	1909
December 2003 1-Month	28.6°F (-1.9°C)	25.2°F (-3.8°C)	3.4°F	24th Warmest	Warmest since: 1995	1980
Nov–Dec 2003 2-Month	30.8°F (-0.7°C)	29.4°F (-1.4°C)	1.4°F	88th Coolest	Coolest since: 2002	1972
	30.8°F (-0.7°C)	29.4°F (-1.4°C)	1.4°F	43rd Warmest	Warmest since: 2001	2021
	Ties: 1994
Oct–Dec 2003 3-Month	37.7°F (3.2°C)	35.1°F (1.7°C)	2.6°F	116th Coolest	Coolest since: 2002	1898
	37.7°F (3.2°C)	35.1°F (1.7°C)	2.6°F	15th Warmest	Warmest since: 1999	2021
	Ties: 1910, 1963, 1977, 1995
Sep–Dec 2003 4-Month	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F	103rd Coolest	Coolest since: 2002	1898
Sep–Dec 2003 4-Month	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F	28th Warmest	Warmest since: 2001	2021
Aug–Dec 2003 5-Month	47.6°F (8.7°C)	45.6°F (7.6°C)	2.0°F	112th Coolest	Coolest since: 2002	1898
	47.6°F (8.7°C)	45.6°F (7.6°C)	2.0°F	19th Warmest	Warmest since: 2001	2021
	Ties: 1921, 1962, 1999
Jul–Dec 2003 6-Month	51.8°F (11.0°C)	49.1°F (9.5°C)	2.7°F	125th Coolest	Coolest since: 2002	1898, 1912
Jul–Dec 2003 6-Month	51.8°F (11.0°C)	49.1°F (9.5°C)	2.7°F	6th Warmest	Warmest since: 1933	2021
Jun–Dec 2003 7-Month	53.0°F (11.7°C)	50.9°F (10.5°C)	2.1°F	116th Coolest	Coolest since: 2002	1912
	53.0°F (11.7°C)	50.9°F (10.5°C)	2.1°F	15th Warmest	Warmest since: 2001	2021
	Ties: 1954
May–Dec 2003 8-Month	53.1°F (11.7°C)	51.0°F (10.6°C)	2.1°F	117th Coolest	Coolest since: 2002	1912
	53.1°F (11.7°C)	51.0°F (10.6°C)	2.1°F	14th Warmest	Warmest since: 2001	2021
	Ties: 1939
Apr–Dec 2003 9-Month	52.2°F (11.2°C)	50.0°F (10.0°C)	2.2°F	119th Coolest	Coolest since: 2002	1912
Apr–Dec 2003 9-Month	52.2°F (11.2°C)	50.0°F (10.0°C)	2.2°F	12th Warmest	Warmest since: 2001	2021
Mar–Dec 2003 10-Month	50.6°F (10.3°C)	48.4°F (9.1°C)	2.2°F	119th Coolest	Coolest since: 2002	1912
	50.6°F (10.3°C)	48.4°F (9.1°C)	2.2°F	12th Warmest	Warmest since: 2001	2012
	Ties: 1910
Feb–Dec 2003 11-Month	48.4°F (9.1°C)	46.5°F (8.1°C)	1.9°F	114th Coolest	Coolest since: 2002	1912
Feb–Dec 2003 11-Month	48.4°F (9.1°C)	46.5°F (8.1°C)	1.9°F	17th Warmest	Warmest since: 2001	2012, 2017
Jan–Dec 2003 12-Month	47.0°F (8.3°C)	44.6°F (7.0°C)	2.4°F	119th Coolest	Coolest since: 2002	1912
	47.0°F (8.3°C)	44.6°F (7.0°C)	2.4°F	12th Warmest	Warmest since: 2000	2012
	Ties: 2000
Jul 2002–Dec 2003 18-Month	48.1°F (8.9°C)	46.1°F (7.8°C)	2.0°F	115th Coolest	Coolest since: 2002	1912
Jul 2002–Dec 2003 18-Month	48.1°F (8.9°C)	46.1°F (7.8°C)	2.0°F	15th Warmest	Warmest since: 2000	1934
Jan 2002–Dec 2003 24-Month	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F	118th Coolest	Coolest since: 2002	1913
Jan 2002–Dec 2003 24-Month	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F	12th Warmest	Warmest since: 2001	2017
Jan 2001–Dec 2003 36-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	122nd Coolest	Coolest since: 2002	1913, 1914
Jan 2001–Dec 2003 36-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	7th Warmest	Warmest since: 2001	2017
Jan 2000–Dec 2003 48-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	122nd Coolest	Coolest since: 2002	1915
Jan 2000–Dec 2003 48-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	6th Warmest	Warmest since: 2001	2018
Jan 1999–Dec 2003 60-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	119th Coolest	Coolest since: 2002	1916
Jan 1999–Dec 2003 60-Month	46.7°F (8.2°C)	44.6°F (7.0°C)	2.1°F	8th Warmest	Warmest to Date	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on April 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings

Climate at a Glance Statewide Rankings

Statewide Rankings

Colorado

December 2003 Average Temperature Rankings

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