National ranking · Top 100 · data updated August 2026

100 Hottest Cities in America

This list ranks the 100 hottest US cities by average annual temperature from NOAA U.S. Climate Normals 1991–2020. Only incorporated places with at least 5,000 residents and NOAA climate normals appear. The ranking uses mean annual temperature, not record highs or heat-index readings.

Compiled by PlainCities

100
Cities ranked: #1
Key West: 78.8°F
Avg Annual Temp

Data updated August 2026

The headline finding

Key West, FL tops this list at 78.8°F avg annual temp, making the top 100 requires at least 70.2°F.

Key West, FL
#1 · 78.8°F: 70.2°F
#100 cutoff: 100
cities in this ranking

Every figure here is read live from the same NOAA U.S. Climate Normals 1991–2020 data rendered in the table below.

These 100 cities span 7 states. Florida has the most entries on this list: 47 (47% of the total). Florida state page.

How we calculate the state breakdown

The state count and leader above are a live tally of this list's own 100 rows, grouped by state. See the methodology page for the full source-to-figure lineage.

Key West, FL

78.8
Marathon, FL

78.8
Islamorada, FL

77.9
Miami, FL

77.4
Kahului, HI

77.1
Hialeah, FL

76.6
Lihue, HI

76.3
Brownsville, TX

76.2
Coral Springs, FL

76.2
Hollywood, FL

76.1
Miami Beach, FL

76.1
Fort Lauderdale, FL

75.9

What this shows Key West, Florida ranks #1 on avg annual temp among the cities in this ranking; the full top 100 is listed below.

Florida (FL)

47
Texas (TX)

27
Arizona (AZ)

13
California (CA)

6
Hawaii (HI)

4
Louisiana (LA)

2

What this shows Florida leads with 47 of the 100 spots on this list.

#	City	Avg Annual Temp	Population
1	Key WestFlorida	78.8°F	25,824
2	MarathonFlorida	78.8°F	9,831
3	IslamoradaFlorida	77.9°F	7,042
4	MiamiFlorida	77.4°F	446,663
5	KahuluiHawaii	77.1°F	27,068
6	HialeahFlorida	76.6°F	221,901
7	LihueHawaii	76.3°F	7,847
8	BrownsvilleTexas	76.2°F	188,023
9	Coral SpringsFlorida	76.2°F	133,962
10	HollywoodFlorida	76.1°F	152,935
11	Miami BeachFlorida	76.1°F	81,319
12	Fort LauderdaleFlorida	75.9°F	183,032
13	KaneoheHawaii	75.9°F	35,945
14	West Palm BeachFlorida	75.8°F	119,508
15	Punta GordaFlorida	75.8°F	19,886
16	PhoenixArizona	75.6°F	1,624,832
17	HarlingenTexas	75.6°F	71,669
18	McAllenTexas	75.5°F	143,789
19	StuartFlorida	75.3°F	18,058
20	Marco IslandFlorida	75.3°F	15,998
21	Palm SpringsCalifornia	75.1°F	44,998
22	WeslacoTexas	75.0°F	41,437
23	EdinburgTexas	74.9°F	102,561
24	ImmokaleeFlorida	74.7°F	25,624
25	LaredoTexas	74.6°F	255,949
26	OkeechobeeFlorida	74.6°F	5,376
27	TampaFlorida	74.5°F	393,389
28	Palm Beach GardensFlorida	74.4°F	59,751
29	BlytheCalifornia	74.4°F	17,824
30	Rio Grande CityTexas	74.4°F	15,258
31	RaymondvilleTexas	74.4°F	10,243
32	El CentroCalifornia	74.3°F	44,186
33	Plant CityFlorida	74.3°F	40,009
34	Belle GladeFlorida	74.3°F	16,818
35	Lake Havasu CityArizona	74.2°F	58,037
36	Winter HavenFlorida	74.2°F	52,846
37	Bullhead CityArizona	74.2°F	42,193
38	BradentonFlorida	74.1°F	56,289
39	LaughlinNevada	74.1°F	8,643
40	HiloHawaii	74.0°F	48,223
41	ClewistonFlorida	74.0°F	7,257
42	Port IsabelTexas	74.0°F	5,098
43	LakelandFlorida	73.9°F	117,030
44	Del RioTexas	73.9°F	34,638
45	BrawleyCalifornia	73.8°F	26,934
46	VeniceFlorida	73.7°F	26,467
47	Port SalernoFlorida	73.7°F	10,957
48	ClermontFlorida	73.6°F	44,984
49	Vero BeachFlorida	73.6°F	16,785
50	Fort PierceFlorida	73.5°F	48,094
51	NaplesFlorida	73.5°F	19,421
52	Avon ParkFlorida	73.4°F	9,879
53	KingsvilleTexas	73.3°F	25,061
54	Litchfield ParkArizona	73.3°F	6,871
55	YumaArizona	73.2°F	98,461
56	MelbourneFlorida	73.1°F	85,718
57	BartowFlorida	73.1°F	19,801
58	RobstownTexas	73.1°F	10,222
59	Corpus ChristiTexas	73.0°F	317,383
60	OrlandoFlorida	73.0°F	311,732
61	ImperialCalifornia	73.0°F	20,943
62	LeesburgFlorida	72.8°F	28,461
63	AliceTexas	72.8°F	17,797
64	SebringFlorida	72.8°F	11,185
65	Crystal CityTexas	72.7°F	6,241
66	Palm BayFlorida	72.6°F	125,273
67	SanfordFlorida	72.6°F	62,292
68	KissimmeeFlorida	72.5°F	79,504
69	Casa GrandeArizona	72.4°F	57,590
70	FlorenceArizona	72.4°F	25,961
71	RockportTexas	72.4°F	10,449
72	ArcadiaFlorida	72.2°F	7,571
73	Fountain HillsArizona	72.1°F	23,768
74	MaricopaArizona	71.9°F	62,986
75	Apache JunctionArizona	71.9°F	39,746
76	YoungtownArizona	71.9°F	6,985
77	TitusvilleFlorida	71.6°F	49,004
78	Daytona BeachFlorida	71.5°F	75,924
79	SintonTexas	71.5°F	5,513
80	Palm CoastFlorida	71.4°F	94,362
81	GalvestonTexas	71.4°F	53,348
82	Jacksonville BeachFlorida	71.4°F	23,601
83	FreeportTexas	71.4°F	10,639
84	OcalaFlorida	71.3°F	64,903
85	Live OakFlorida	71.2°F	6,901
86	AngletonTexas	70.9°F	19,597
87	EloyArizona	70.9°F	16,671
88	CueroTexas	70.9°F	8,147
89	StarkeFlorida	70.9°F	5,821
90	El CampoTexas	70.7°F	12,220
91	TucsonArizona	70.6°F	543,348
92	Sugar LandTexas	70.6°F	109,735
93	BeevilleTexas	70.6°F	13,518
94	HoustonTexas	70.5°F	2,300,419
95	New OrleansLouisiana	70.5°F	376,035
96	DeLandFlorida	70.3°F	39,832
97	Twentynine PalmsCalifornia	70.3°F	28,738
98	TerrytownLouisiana	70.3°F	25,844
99	PleasantonTexas	70.3°F	10,854
100	Eagle PassTexas	70.2°F	28,186

According to the U.S. Census Bureau's American Community Survey 5-Year Estimates (2023 vintage, released December 2024), the underlying dataset behind this ranking spans 28,702 U.S. incorporated places and census-designated places nationally; this page shows the top 100 by avg annual temp. See our methodology for the full data-collection process.

Source: NOAA U.S. Climate Normals 1991–2020. Verify directly with the source agency: U.S. Census Bureau, FBI UCR, NOAA, NCES.

Questions about the hottest cities in america list

What does this hottest cities in america ranking measure?

It orders cities by avg annual temp using NOAA U.S. Climate Normals 1991–2020. It is a single-metric comparison, not an overall score for quality of life or a recommendation about where to live.

Are metropolitan areas included?

The rows are individual cities or Census-defined places covered by the named source, not combined metropolitan areas. The page states any extra coverage or population rule that applies to this specific avg annual temp ranking.

Can I download and verify the ranking?

Yes. The CSV above contains the same ranked rows shown in the table. The page names the source and vintage, links to the source agency, and explains category-specific caveats before the data.

What to do with the hottest cities in america list

Use this ranking to narrow the field, then dig into the specific places you're considering.

Key West, FL leads this list at 78.8°F -- see its full profile before drawing conclusions from the rank alone. Key West profile
Put two specific cities side by side across every tracked metric, not just this one ranking. Compare cities
See every ranked city in Florida together, not just how Key West compares nationally. Florida state page

This ranking reflects the single avg annual temp metric only -- it is not a composite of everything that makes a city a good fit.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Browse all city profiles → | Explore city rankings →

Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

Verify with U.S. Census Bureau →

Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.

100 Hottest Cities in America

Top 12 cities by avg annual temp

Which states show up most

Questions about the hottest cities in america list

Related