Which municipality in canton Solothurn is the warmest?

Bättwil is the warmest municipality in canton Solothurn, at 11.8 °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 Solothurn overview

Ranking · Data 2025 · Source: BFS

The warmest municipalities in canton Solothurn (2025)

National ranking →

Bättwil is the warmest municipality in canton Solothurn: 11.8 °C annual mean (2025). Next come Breitenbach (11.8 °C) and Zullwil (11.8 °C). Source: MeteoSwiss, nearest station.

Ranking

MeteoSchweiz · 2025

Rank	Municipality	Avg. temp.	Residents
1	Bättwil	11.8 °C	1'191
2	Breitenbach	11.8 °C	4'304
3	Zullwil	11.8 °C	675
4	Büren	11.8 °C	1'055
5	Hochwald	11.8 °C	1'266
6	Dornach	11.8 °C	6'862
7	Metzerlen-Mariastein	11.8 °C	973
8	Gempen	11.8 °C	932
9	Himmelried	11.8 °C	977
10	Nunningen	11.8 °C	1'973
11	Witterswil	11.8 °C	1'467
12	Nuglar-St. Pantaleon	11.8 °C	1'546
13	Fehren	11.8 °C	595
14	Meltingen	11.8 °C	645
15	Hofstetten-Flüh	11.8 °C	3'401
16	Rodersdorf	11.8 °C	1'418
17	Seewen	11.8 °C	1'064
18	Niedergösgen	10.9 °C	4'197
19	Dulliken	10.9 °C	5'396
20	Olten	10.9 °C	18'715
21	Stüsslingen	10.9 °C	1'257
22	Trimbach	10.9 °C	6'667
23	Eppenberg-Wöschnau	10.9 °C	326
24	Starrkirch-Wil	10.9 °C	1'956
25	Walterswil	10.9 °C	749
26	Däniken	10.9 °C	3'041
27	Schönenwerd	10.9 °C	5'201
28	Lostorf	10.9 °C	4'088
29	Erlinsbach	10.9 °C	3'691
30	Wangen bei Olten	10.9 °C	5'539
31	Rickenbach	10.9 °C	1'198
32	Obergösgen	10.9 °C	2'457
33	Winznau	10.9 °C	2'058
34	Gretzenbach	10.9 °C	2'800
35	Biezwil	10.6 °C	354
36	Grenchen	10.6 °C	18'295
37	Rüttenen	10.6 °C	1'541
38	Solothurn	10.6 °C	16'855
39	Welschenrohr-Gänsbrunnen	10.6 °C	1'205
40	Lüterkofen-Ichertswil	10.6 °C	904
41	Messen	10.6 °C	1'496
42	Langendorf	10.6 °C	3'858
43	Schnottwil	10.6 °C	1'150
44	Unterramsern	10.6 °C	220
45	Oberdorf	10.6 °C	1'859
46	Günsberg	10.6 °C	1'185
47	Balm bei Günsberg	10.6 °C	226
48	Lüsslingen-Nennigkofen	10.6 °C	1'140
49	Buchegg	10.6 °C	2'926
50	Bettlach	10.6 °C	4'978
51	Lommiswil	10.6 °C	1'630
52	Riedholz	10.6 °C	2'313
53	Feldbrunnen-St. Niklaus	10.6 °C	1'027
54	Selzach	10.6 °C	3'682
55	Bellach	10.6 °C	5'453
56	Kienberg	10.5 °C	528
57	Hauenstein-Ifenthal	10.5 °C	325
58	Wisen	10.5 °C	443
59	Wolfwil	10.4 °C	2'401
60	Herbetswil	10.4 °C	605
61	Holderbank	10.4 °C	753
62	Kammersrohr	10.4 °C	31
63	Hägendorf	10.4 °C	5'277
64	Fulenbach	10.4 °C	1'808
65	Härkingen	10.4 °C	1'767
66	Kappel	10.4 °C	3'511
67	Balsthal	10.4 °C	6'501
68	Gunzgen	10.4 °C	1'712
69	Büsserach	10.4 °C	2'431
70	Oensingen	10.4 °C	6'636
71	Erschwil	10.4 °C	960
72	Mümliswil-Ramiswil	10.4 °C	2'451
73	Grindel	10.4 °C	517
74	Laupersdorf	10.4 °C	1'897
75	Kleinlützel	10.4 °C	1'197
76	Oberbuchsiten	10.4 °C	2'386
77	Bärschwil	10.4 °C	794
78	Aedermannsdorf	10.4 °C	599
79	Matzendorf	10.4 °C	1'374
80	Egerkingen	10.4 °C	4'300
81	Neuendorf	10.4 °C	2'404
82	Boningen	10.4 °C	807
83	Beinwil	10.4 °C	274
84	Kestenholz	10.4 °C	1'881
85	Niederbuchsiten	10.4 °C	1'301
86	Kriegstetten	10.1 °C	1'427
87	Etziken	10.1 °C	1'070
88	Recherswil	10.1 °C	2'180
89	Subingen	10.1 °C	3'285
90	Drei Höfe	10.1 °C	742
91	Hubersdorf	10.1 °C	717
92	Biberist	10.1 °C	9'345
93	Zuchwil	10.1 °C	9'452
94	Flumenthal	10.1 °C	1'043
95	Derendingen	10.1 °C	7'008
96	Bolken	10.1 °C	593
97	Gerlafingen	10.1 °C	5'794
98	Horriwil	10.1 °C	911
99	Obergerlafingen	10.1 °C	1'262
100	Lohn-Ammannsegg	10.1 °C	2'976
101	Aeschi	10.1 °C	1'329
102	Deitingen	10.1 °C	2'340
103	Luterbach	10.1 °C	3'640
104	Hüniken	10.1 °C	160

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 Solothurn is the warmest?: Bättwil is the warmest municipality in canton Solothurn, at 11.8 °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.