US Counties With the Lowest Summer Daily High

3,143 US counties ranked by summer daily high, from lowest to highest. First are Aleutians West Census Area, AK (53.7), Skagway Municipality, AK (54) and Yakutat City and Borough, AK (54.2). The middle one of the 3,143 has 85.1.

What this measures

The average daily high temperature in June, July and August, in degrees Fahrenheit, across the whole county or state. It shows how hot summer afternoons are. Source: NOAA NCEI nClimDiv.

For most measures, a national ranking mostly sorts places by income and by how urban they are. Each county’s own page compares it with the 50 counties most like it instead, which is often the fairer view.

The 100 lowest counties

Rank	County	°F
1	Aleutians West Census Area, AK	53.7
2	Skagway Municipality, AK	54
3	Yakutat City and Borough, AK	54.2
4	Chugach Census Area, AK	54.9
5	Juneau City and Borough, AK	54.9
6	Anchorage Municipality, AK	55.8
7	Aleutians East Borough, AK	55.9
8	Petersburg Borough, AK	56.3
9	Nome Census Area, AK	56.4
10	Kenai Peninsula Borough, AK	56.9
11	Kodiak Island Borough, AK	57
12	Matanuska-Susitna Borough, AK	57.4
13	Hoonah-Angoon Census Area, AK	57.5
14	North Slope Borough, AK	57.6
15	Haines Borough, AK	57.8
16	Kusilvak Census Area, AK	58.4
17	Copper River Census Area, AK	58.6
18	Sitka City and Borough, AK	59.4
19	Lake and Peninsula Borough, AK	59.5
20	Wrangell City and Borough, AK	59.8
21	Bethel Census Area, AK	59.8
22	Dillingham Census Area, AK	60.3
23	Northwest Arctic Borough, AK	60.6
24	Ketchikan Gateway Borough, AK	60.7
25	Prince of Wales-Hyder Census Area, AK	60.9
26	Denali Borough, AK	62
27	Bristol Bay Borough, AK	62.2
28	San Juan County, CO	65.1
29	Southeast Fairbanks Census Area, AK	65.9
30	Yukon-Koyukuk Census Area, AK	65.9
31	Clear Creek County, CO	67.3
32	Lake County, CO	67.3
33	Hinsdale County, CO	67.5
34	Summit County, CO	67.6
35	Fairbanks North Star Borough, AK	68.1
36	Teton County, WY	68.1
37	Gilpin County, CO	69
38	Mineral County, CO	69.4
39	Clallam County, WA	69.5
40	Jefferson County, WA	69.5
41	Deer Lodge County, MT	69.7
42	San Francisco County, CA	69.8
43	Beaverhead County, MT	70.1
44	Summit County, UT	70.3
45	Pitkin County, CO	70.6
46	Grand County, CO	70.7
47	Park County, WY	70.9
48	Sublette County, WY	70.9
49	Whatcom County, WA	71
50	Alpine County, CA	71
51	Jackson County, CO	71
52	Park County, CO	71.1
53	Cook County, MN	71.4
54	Custer County, ID	71.5
55	Franklin County, ME	71.5
56	Silver Bow County, MT	71.5
57	Skagit County, WA	71.6
58	Snohomish County, WA	71.7
59	Madison County, MT	71.8
60	Granite County, MT	72
61	Park County, MT	72
62	Chaffee County, CO	72
63	Keweenaw County, MI	72.1
64	Coos County, NH	72.2
65	Marin County, CA	72.2
66	Knox County, ME	72.4
67	Somerset County, ME	72.4
68	Lemhi County, ID	72.6
69	Meagher County, MT	72.7
70	Teller County, CO	72.7
71	Alger County, MI	72.9
72	Hamilton County, NY	72.9
73	Piscataquis County, ME	73
74	Clatsop County, OR	73
75	San Mateo County, CA	73
76	Gallatin County, MT	73.1
77	King County, WA	73.1
78	Gunnison County, CO	73.1
79	Pacific County, WA	73.1
80	Eagle County, CO	73.1
81	Luce County, MI	73.3
82	Essex County, VT	73.3
83	Pierce County, WA	73.3
84	Nantucket County, MA	73.4
85	Essex County, NY	73.4
86	Washington County, ME	73.4
87	Aroostook County, ME	73.4
88	Lincoln County, ME	73.4
89	Powell County, MT	73.5
90	Ravalli County, MT	73.5
91	San Juan County, WA	73.5
92	Baraga County, MI	73.5
93	Orleans County, VT	73.5
94	Island County, WA	73.6
95	Tillamook County, OR	73.6
96	Wasatch County, UT	73.6
97	Wahkiakum County, WA	73.6
98	Lamoille County, VT	73.7
99	Hawaii County, HI	73.7
100	Mackinac County, MI	73.8

Every state, lowest first

Each state’s own published figure, not an average of its counties.

Rank	State	°F
1	Alaska	60.6
2	Maine	73.7
3	Vermont	75.3
4	New Hampshire	75.5
5	Hawaii	76.3
6	New York	76.7
7	Wyoming	76.7
8	Michigan	77.9
9	Rhode Island	78
10	Idaho	78.5
11	Massachusetts	78.5
12	Washington	78.5
13	Montana	78.8
14	Pennsylvania	79.4
15	Connecticut	79.6
16	Wisconsin	79.8
17	Minnesota	79.9
18	Oregon	80.2
19	Colorado	80.3
20	North Dakota	80.6
21	West Virginia	80.6
22	Ohio	81
23	New Jersey	82.8
24	Indiana	83
25	Iowa	83.5
26	South Dakota	83.6
27	Virginia	83.6
28	Delaware	84
29	Utah	84.2
30	Maryland	84.2
31	Kentucky	84.7
32	Illinois	84.7
33	Nevada	84.8
34	Nebraska	85
35	Tennessee	85.7
36	North Carolina	85.8
37	Missouri	87.6
38	California	88
39	South Carolina	88.9
40	Kansas	89.7
41	New Mexico	90.2
42	Georgia	90.4
43	Alabama	90.9
44	Arkansas	90.9
45	Florida	92.7
46	Oklahoma	93
47	Mississippi	93.2
48	Arizona	94.8
49	Louisiana	95.7
50	Texas	98.3

More on summer daily high

A ranking describes places, not the people in them, and a high or low place does not by itself say why. All US rankings.