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

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.