Which municipality in canton Solothurn is the warmest?

Büren 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 →

Büren is the warmest municipality in canton Solothurn: 11.8 °C annual mean (2025). Next come Witterswil (11.8 °C) and Hofstetten-Flüh (11.8 °C). Source: MeteoSwiss, nearest station.

Ranking

MeteoSchweiz · 2025

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