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 Sevelen (11.5 °C) and Buchs (11.5 °C). Source: MeteoSwiss, nearest station.

Ranking

MeteoSchweiz · 2025

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