Sea temperature at 2,330 beaches

Twelve monthly means per beach, from NOAA's OISST v2.1 climatology for 1991 to 2020, sampled at each beach's own coordinates. Nothing here is estimated.

Month by month

Warmest water on the atlas

#	Beach	Country	Warmest	Coolest	20 °C or more
1	Inland Sea Beach	🇶🇦 Qatar	34.1 °C · Aug	19.3 °C	March to December
2	Sealine Beach	🇶🇦 Qatar	34.1 °C · Aug	19.3 °C	March to December
3	Fuwairit Beach	🇶🇦 Qatar	33.6 °C · Aug	19.4 °C	January, March, April, May, June, July, August, September, October, November and December
4	Al Maroona Beach	🇶🇦 Qatar	33.6 °C · Aug	19.4 °C	January, March, April, May, June, July, August, September, October, November and December
5	Jumeirah Beach	🇦🇪 United Arab Emirates	33.5 °C · Aug	21.5 °C	All year
6	Umm Bab Beach	🇶🇦 Qatar	33.5 °C · Aug	18.3 °C	March to December
7	Ajman Beach	🇦🇪 United Arab Emirates	33.2 °C · Aug	21.9 °C	All year
8	Red Beach	🇮🇷 Iran	32.6 °C · Aug	22.1 °C	All year
9	Eighty Mile Beach	🇦🇺 Australia	30.8 °C · Mar	22.6 °C	All year
10	Mindil Beach	🇦🇺 Australia	30.8 °C · Dec	25.8 °C	All year
11	Lameroo Beach	🇦🇺 Australia	30.8 °C · Dec	25.8 °C	All year
12	Bang Saen	🇹🇭 Thailand	30.6 °C · May	27.4 °C	All year
13	Prek Treng beach	🇰🇭 Cambodia	30.6 °C · May	28.1 °C	All year
14	Hun Sen beach	🇰🇭 Cambodia	30.6 °C · May	28.1 °C	All year
15	Independence beach	🇰🇭 Cambodia	30.6 °C · May	28.1 °C	All year
16	Ochheuteal Beach	🇰🇭 Cambodia	30.6 °C · May	28.1 °C	All year
17	Serendipity Beach	🇰🇭 Cambodia	30.6 °C · May	28.1 °C	All year
18	Jomtien	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
19	Batu Ferringhi	🇲🇾 Malaysia	30.5 °C · Jun	29 °C	All year
20	Hat Puek Tian	🇹🇭 Thailand	30.5 °C · May	27.1 °C	All year
21	Black Sand Beach	🇲🇾 Malaysia	30.5 °C · May	28.4 °C	All year
22	Tanjung Rhu	🇲🇾 Malaysia	30.5 °C · May	28.4 °C	All year
23	Pattaya Beach	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
24	Tawaen Beach	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
25	Tong Lang Beach	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
26	Ta Yai Beach	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
27	Samae Beach	🇹🇭 Thailand	30.5 °C · May	27.6 °C	All year
28	Bãi Cửa Cạn	🇻🇳 Vietnam	30.5 °C · May	28 °C	All year
29	Hawaii beach	🇰🇭 Cambodia	30.5 °C · May	28.2 °C	All year
30	Cable Beach	🇦🇺 Australia	30.4 °C · Mar	23.8 °C	All year
31	Pak Meng beach	🇹🇭 Thailand	30.4 °C · May	28.6 °C	All year
32	Playa Majahua	🇲🇽 Mexico	30.4 °C · Aug	27.5 °C	All year
33	Playa Tlacopanocha	🇲🇽 Mexico	30.4 °C · Aug	27.5 °C	All year
34	Acapulco Diamante	🇲🇽 Mexico	30.4 °C · Aug	27.5 °C	All year
35	Barra Vieja Beach	🇲🇽 Mexico	30.4 °C · Aug	27.7 °C	All year
36	Playa Langosta	🇲🇽 Mexico	30.4 °C · Aug	27.5 °C	All year
37	Narathat Beach	🇹🇭 Thailand	30.4 °C · May	27.6 °C	All year
38	Hua Hin beach	🇹🇭 Thailand	30.4 °C · May	27.2 °C	All year
39	Cenang Beach	🇲🇾 Malaysia	30.4 °C · May	28.5 °C	All year
40	Pantai Tengah	🇲🇾 Malaysia	30.4 °C · May	28.5 °C	All year
41	Romantic Beach	🇲🇾 Malaysia	30.4 °C · Jun	27.6 °C	All year
42	Adam and Eve Beach	🇲🇾 Malaysia	30.4 °C · Jun	27.6 °C	All year
43	Coral Bay Beach	🇲🇾 Malaysia	30.4 °C · Jun	27.6 °C	All year
44	Playa Pie de La Cuesta	🇲🇽 Mexico	30.4 °C · Aug	27.5 °C	All year
45	Railay Beach	🇹🇭 Thailand	30.3 °C · May	28.3 °C	All year
46	Playa de Guayabitos	🇲🇽 Mexico	30.3 °C · Aug	24.4 °C	All year
47	Puteri Beach	🇲🇾 Malaysia	30.3 °C · May	28.3 °C	All year
48	Klebang Beach	🇲🇾 Malaysia	30.3 °C · May	28.3 °C	All year
49	Chaweng	🇹🇭 Thailand	30.3 °C · May	27.8 °C	All year
50	Tanjung Bidara Beach	🇲🇾 Malaysia	30.3 °C · May	28.3 °C	All year
51	Hat Khuat	🇹🇭 Thailand	30.3 °C · May	27.8 °C	All year
52	Minyak Beku Beach	🇲🇾 Malaysia	30.3 °C · May	28.2 °C	All year
53	Choeng Mon	🇹🇭 Thailand	30.3 °C · May	27.8 °C	All year
54	Noppharat Thara Beach	🇹🇭 Thailand	30.3 °C · May	28.3 °C	All year
55	Klong Muang Beach	🇹🇭 Thailand	30.3 °C · May	28.3 °C	All year
56	Tubkaek Beach	🇹🇭 Thailand	30.3 °C · May	28.3 °C	All year
57	Chalok Lam	🇹🇭 Thailand	30.3 °C · May	27.8 °C	All year
58	Sai Noi beach	🇹🇭 Thailand	30.3 °C · May	27.3 °C	All year
59	Siloso Beach	🇸🇬 Singapore	30.3 °C · May	28 °C	All year
60	Palawan Beach	🇸🇬 Singapore	30.3 °C · May	28 °C	All year
61	Osuka Beach	🇲🇾 Malaysia	30.3 °C · Jun	28 °C	All year
62	Playa El Tamarindo	🇸🇻 El Salvador	30.3 °C · Aug	27.7 °C	All year
63	Tanjong Beach	🇸🇬 Singapore	30.3 °C · May	28 °C	All year
64	Playa la Ropa	🇲🇽 Mexico	30.3 °C · Aug	27.2 °C	All year
65	Playa Las Gatas	🇲🇽 Mexico	30.3 °C · Aug	27.2 °C	All year
66	Playa Girón	🇨🇺 Cuba	30.2 °C · Aug	25.8 °C	All year
67	Playa Zicatela	🇲🇽 Mexico	30.2 °C · Aug	28 °C	All year
68	Sai Ri beach	🇹🇭 Thailand	30.2 °C · May	27.6 °C	All year
69	Pasir Panjang Beach	🇮🇩 Indonesia	30.2 °C · May	28 °C	All year
70	Tanjung Aru Beach	🇲🇾 Malaysia	30.2 °C · Jun	27.3 °C	All year
71	Playa San Pancho	🇲🇽 Mexico	30.2 °C · Aug	24.2 °C	All year
72	Playa de los Muertos	🇲🇽 Mexico	30.2 °C · Aug	24.2 °C	All year
73	Playa Sayulita	🇲🇽 Mexico	30.2 °C · Aug	24.2 °C	All year
74	Pasikudah Beach	🇱🇰 Sri Lanka	30.2 °C · May	27.1 °C	All year
75	Siesta Beach	🇺🇸 United States	30.1 °C · Aug	18.4 °C	March to December
76	Padang Beach	🇮🇩 Indonesia	30.1 °C · May	28.9 °C	All year
77	Los Muertos Beach	🇲🇽 Mexico	30.1 °C · Aug	24 °C	All year
78	Air Manis beach	🇮🇩 Indonesia	30.1 °C · May	28.9 °C	All year
79	Tanjung Kelayang	🇮🇩 Indonesia	30.1 °C · May	27.9 °C	All year
80	Valu Beach	🇹🇱 Timor-Leste	30.1 °C · Dec	26.7 °C	All year
81	Pantai Carolina	🇮🇩 Indonesia	30.1 °C · May	28.9 °C	All year
82	Parai Tenggiri Beach	🇮🇩 Indonesia	30.1 °C · May	27.9 °C	All year
83	Madale Beach	🇮🇩 Indonesia	30.1 °C · Apr	29.4 °C	All year
84	Monterrico Beach	🇬🇹 Guatemala	30.1 °C · Aug	28.3 °C	All year
85	Alappuzha Beach	🇮🇳 India	30 °C · Apr	26.5 °C	All year
86	Cherai Beach	🇮🇳 India	30 °C · Apr	26.7 °C	All year
87	Nilaveli	🇱🇰 Sri Lanka	30 °C · May	27 °C	All year
88	Fort Kochi beach	🇮🇳 India	30 °C · Apr	26.7 °C	All year
89	Manila Bay Beach	🇵🇭 Philippines	30 °C · May	26.6 °C	All year
90	Marari Beach	🇮🇳 India	30 °C · Apr	26.7 °C	All year
91	Sam Son Beach	🇻🇳 Vietnam	30 °C · Aug	20.6 °C	All year
92	Hải Hòa Beach	🇻🇳 Vietnam	30 °C · Aug	20.7 °C	All year
93	Manginapudi Beach	🇮🇳 India	30 °C · May	26 °C	All year
94	La Ventanilla	🇲🇽 Mexico	30 °C · Aug	27.7 °C	All year
95	Smathers Beach	🇺🇸 United States	30 °C · Aug	22.6 °C	All year
96	Rawai	🇹🇭 Thailand	30 °C · May	28.4 °C	All year
97	Sungai Suci Beach	🇮🇩 Indonesia	30 °C · May	28.2 °C	All year
98	Mermejita	🇲🇽 Mexico	30 °C · Aug	27.7 °C	All year
99	Playa Unión (Raa Bidxi)	🇲🇽 Mexico	30 °C · Aug	26.4 °C	All year
100	Playa Zipolite	🇲🇽 Mexico	30 °C · Aug	27.7 °C	All year

Coldest water on the atlas

#	Beach	Country	Warmest month
1	Ridley Beach		-1.1 °C in January
2	Recta		1.4 °C in February
3	Ojeda Beach		1.5 °C in February
4	Kladara Beach		1.5 °C in February
5	Zagore Beach		1.5 °C in February
6	Pimpirev Beach		1.5 °C in February
7	Arkutino Beach		1.5 °C in February
8	Robbery Beaches		1.6 °C in February
9	South Beaches		1.6 °C in February
10	John Beach		1.6 °C in February
11	Paul Beach	🇬🇧 United Kingdom	3.7 °C in February
12	Fauskasandur	🇮🇸 Iceland	9.5 °C in August
13	Rauðasandur Beach	🇮🇸 Iceland	10.6 °C in August
14	Austurfjörur	🇮🇸 Iceland	10.7 °C in August
15	Suðurfjörur	🇮🇸 Iceland	10.8 °C in August
16	Plage du Moulin à Baude	🇨🇦 Canada	11.3 °C in August
17	Langisandur	🇮🇸 Iceland	11.3 °C in August
18	Ophir Beach	🇺🇸 United States	11.5 °C in August
19	Reynisfjara	🇮🇸 Iceland	11.5 °C in August
20	Pioneer Square Habitat Beach		11.9 °C in August
21	Lake City Beach Park	🇺🇸 United States	11.9 °C in August
22	Golden Gardens Park	🇺🇸 United States	11.9 °C in August
23	Alki Beach Park	🇺🇸 United States	11.9 °C in August
24	Lone Ranch Beach	🇺🇸 United States	12 °C in August
25	Willows Beach	🇨🇦 Canada	12 °C in August