Hottest Cities in Colorado.

Cities in Colorado with the highest average summer temperatures, from 30-year averages at the nearest weather station.

69 cities ranked · See the national list

#	City	Population	Avg Summer High	Hot Days/yr (90°F+)
1	Grand Junction	68,142	92°F	75
2	Fruita	13,691	92°F	70
3	Pueblo	111,561	90°F	74
4	Pueblo West	35,681	90°F	71
5	Clifton	19,518	90°F	67
6	Greeley	110,806	89°F	58
7	Evans	22,396	89°F	58
8	Thornton	144,187	88°F	53
9	Westminster	115,484	88°F	53
10	Longmont	99,406	88°F	49
11	Broomfield	76,304	88°F	53
12	Northglenn	38,014	88°F	53
13	Erie	33,808	88°F	49
14	Lafayette	30,602	88°F	53
15	Montrose	21,044	88°F	35
16	Sherrelwood	18,692	88°F	53
17	Firestone	18,049	88°F	49
18	Frederick	16,651	88°F	49
19	Welby	16,197	88°F	53
20	Federal Heights	14,125	88°F	53
21	Sterling	13,172	88°F	56
22	Denver	718,877	87°F	42
23	Aurora	394,432	87°F	46
24	Commerce City	66,445	87°F	49
25	Brighton	42,059	87°F	49
26	Four Square Mile	23,024	87°F	46
27	Cañon City	17,122	87°F	43
28	Fort Morgan	11,605	87°F	51
29	Boulder	106,433	86°F	33
30	Loveland	78,410	86°F	38
31	Windsor	37,914	86°F	38
32	Wheat Ridge	32,070	86°F	39
33	Louisville	20,786	86°F	33
34	Johnstown	18,883	86°F	38
35	Superior	13,305	86°F	33
36	Berthoud	12,411	86°F	38
37	Berkley	10,789	86°F	39
38	Rifle	10,570	86°F	37
39	Glenwood Springs	10,241	86°F	39
40	Gunbarrel	10,051	86°F	33
41	Fairmount	9,902	86°F	39
42	Fort Collins	170,229	85°F	29
43	Wellington	11,798	85°F	32
44	Colorado Springs	487,887	84°F	23
45	Arvada	122,634	84°F	28
46	Centennial	108,201	84°F	32
47	Highlands Ranch	102,257	84°F	36
48	Parker	61,783	84°F	35
49	Littleton	44,710	84°F	33
50	Security-Widefield	37,345	84°F	23
51	Englewood	34,129	84°F	33
52	Dakota Ridge	33,753	84°F	33
53	Ken Caryl	33,233	84°F	33
54	Fountain	29,300	84°F	23
55	Columbine	25,478	84°F	33
56	Cimarron Hills	19,817	84°F	23
57	Greenwood Village	15,420	84°F	46
58	Lone Tree	14,147	84°F	32
59	Cherry Creek	10,721	84°F	46
60	Lakewood	156,583	83°F	31
61	Castle Rock	79,123	83°F	23
62	Golden	20,417	83°F	31
63	Durango	19,411	83°F	13
64	Black Forest	15,738	83°F	4
65	Castle Pines	13,388	83°F	23
66	The Pinery	11,871	82°F	35
67	Monument	11,735	81°F	15
68	Steamboat Springs	13,433	80°F	6
69	Edwards	10,785	76°F	4