Which municipality in canton St. Gallen is the warmest?

Wartau is the warmest municipality in canton St. Gallen, at 11.5 °C annual mean (2025).

Where does the temperature data come from?

From the geographically nearest MeteoSwiss station (25 km at most). These are station readings, not measurements at the municipality centre — the distance is disclosed transparently.

← Canton St. Gallen overview

Ranking · Data 2025 · Source: BFS

The warmest municipalities in canton St. Gallen (2025)

National ranking →

Wartau is the warmest municipality in canton St. Gallen: 11.5 °C annual mean (2025). Next come Buchs (11.5 °C) and Flums (11.5 °C). Source: MeteoSwiss, nearest station.

Ranking

MeteoSchweiz · 2025

Rank	Municipality	Avg. temp.	Residents
1	Wartau	11.5 °C	5'496
2	Buchs	11.5 °C	13'931
3	Flums	11.5 °C	5'347
4	Sargans	11.5 °C	6'522
5	Sevelen	11.5 °C	5'392
6	Vilters-Wangs	11.2 °C	5'057
7	Pfäfers	11.2 °C	1'601
8	Mels	11.2 °C	9'538
9	Bad Ragaz	11.2 °C	6'835
10	Goldach	10.9 °C	9'709
11	Steinach	10.9 °C	3'580
12	Untereggen	10.9 °C	1'027
13	Marbach	10.9 °C	2'118
14	Rheineck	10.9 °C	3'516
15	Tübach	10.9 °C	1'594
16	St. Margrethen	10.9 °C	6'558
17	Au	10.9 °C	8'481
18	Rebstein	10.9 °C	5'051
19	Schmerikon	10.9 °C	4'162
20	Rorschach	10.9 °C	9'955
21	Benken	10.9 °C	3'035
22	Eggersriet	10.9 °C	2'475
23	Rapperswil-Jona	10.9 °C	28'640
24	Balgach	10.9 °C	5'139
25	Thal	10.9 °C	7'097
26	Widnau	10.9 °C	10'337
27	Rorschacherberg	10.9 °C	7'685
28	Berneck	10.9 °C	3'989
29	Altstätten	10.7 °C	12'456
30	Rüthi	10.7 °C	2'542
31	Diepoldsau	10.7 °C	6'928
32	Eichberg	10.7 °C	1'571
33	Oberriet	10.7 °C	9'291
34	Degersheim	10.1 °C	4'132
35	Uzwil	10.1 °C	14'279
36	Zuzwil	10.1 °C	5'026
37	Niederhelfenschwil	10.1 °C	3'256
38	Andwil	10.1 °C	2'128
39	Flawil	10.1 °C	10'631
40	Oberuzwil	10.1 °C	6'674
41	Häggenschwil	10.1 °C	1'431
42	Berg	10.1 °C	1'012
43	Muolen	10.1 °C	1'257
44	Oberbüren	10.1 °C	4'660
45	Waldkirch	10.1 °C	3'544
46	Niederbüren	10.1 °C	1'497
47	Gossau	10.1 °C	18'454
48	Jonschwil	10 °C	4'023
49	Wil	10 °C	24'980
50	St. Gallen	9.6 °C	78'213
51	Gaiserwald	9.6 °C	8'609
52	Wittenbach	9.6 °C	10'026
53	Mörschwil	9.6 °C	3'662
54	Schänis	8.9 °C	4'154
55	Ebnat-Kappel	8.9 °C	5'092
56	Nesslau	8.9 °C	3'833
57	Amden	8.9 °C	1'906
58	Uznach	8.9 °C	7'014
59	Lichtensteig	8.9 °C	2'079
60	Neckertal	8.9 °C	6'437
61	Weesen	8.9 °C	1'871
62	Kaltbrunn	8.9 °C	5'084
63	Wattwil	8.9 °C	9'161
64	Gommiswald	8.9 °C	5'657
65	Mosnang	8 °C	2'969
66	Kirchberg	8 °C	9'755
67	Eschenbach	8 °C	10'169
68	Bütschwil-Ganterschwil	8 °C	5'202
69	Lütisburg	8 °C	1'645
70	Wildhaus-Alt St. Johann	0.1 °C	2'618
71	Sennwald	0.1 °C	6'269
72	Grabs	0.1 °C	7'402
73	Walenstadt	0.1 °C	5'852
74	Quarten	0.1 °C	3'085
75	Gams	0.1 °C	3'711

How we measure this

MeteoSchweiz

Mean annual temperature from the nearest MeteoSwiss weather station (at most 25 km from the municipality), averaged over the available measurement years up to 2025. The station distance is shown on every municipality page; in mountainous terrain temperature varies strongly with altitude.

Frequently asked questions

Which municipality in canton St. Gallen is the warmest?: Wartau is the warmest municipality in canton St. Gallen, at 11.5 °C annual mean (2025).
Where does the temperature data come from?: From the geographically nearest MeteoSwiss station (25 km at most). These are station readings, not measurements at the municipality centre — the distance is disclosed transparently.