Which municipality in canton Thurgau is the sunniest?

Romanshorn is the sunniest municipality in canton Thurgau, at 45% relative sunshine (2025).

What does relative sunshine duration mean?

The share of actual sunshine hours against the maximum possible. It makes places with short winter days fairly comparable with very sunny locations.

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Ranking · Data 2025 · Source: BFS

The sunniest municipalities in canton Thurgau (2025)

National ranking →

Romanshorn is the sunniest municipality in canton Thurgau: 45% of possible sunshine duration (2025). Next come Berg (45%) and Arbon (45%). Source: MeteoSwiss, nearest station.

Ranking

MeteoSchweiz · 2025

Rank	Municipality	Sunshine	Residents
1	Romanshorn	45%	11'728
2	Berg	45%	3'573
3	Arbon	45%	15'853
4	Altnau	45%	2'356
5	Lengwil	45%	1'786
6	Bottighofen	45%	2'688
7	Bürglen	45%	4'153
8	Dozwil	45%	730
9	Egnach	45%	5'031
10	Sommeri	45%	672
11	Salmsach	45%	1'600
12	Güttingen	45%	1'738
13	Hefenhofen	45%	1'299
14	Langrickenbach	45%	1'476
15	Amriswil	45%	14'643
16	Birwinken	45%	1'398
17	Münsterlingen	45%	3'600
18	Uttwil	45%	1'911
19	Kreuzlingen	45%	23'241
20	Sulgen	45%	4'063
21	Kesswil	45%	999
22	Erlen	45%	3'939
23	Neunforn	43.5%	1'120
24	Schlatt	43.5%	1'887
25	Diessenhofen	43.5%	4'132
26	Basadingen-Schlattingen	43.5%	1'856
27	Matzingen	43.3%	3'111
28	Braunau	43.3%	861
29	Gachnang	43.3%	4'609
30	Rickenbach	43.3%	3'072
31	Frauenfeld	43.3%	26'747
32	Bichelsee-Balterswil	43.3%	3'044
33	Sirnach	43.3%	8'133
34	Tobel-Tägerschen	43.3%	1'639
35	Aadorf	43.3%	9'485
36	Bettwiesen	43.3%	1'324
37	Stettfurt	43.3%	1'251
38	Eschlikon	43.3%	4'901
39	Fischingen	43.3%	2'977
40	Wängi	43.3%	4'956
41	Lommis	43.3%	1'274
42	Wilen	43.3%	2'525
43	Münchwilen	43.3%	5'908
44	Ermatingen	43%	3'769
45	Mammern	43%	692
46	Weinfelden	43%	12'233
47	Eschenz	43%	1'903
48	Pfyn	43%	2'270
49	Steckborn	43%	4'046
50	Wigoltingen	43%	2'650
51	Berlingen	43%	947
52	Salenstein	43%	1'461
53	Raperswilen	43%	426
54	Wagenhausen	43%	1'839
55	Hüttlingen	43%	884
56	Amlikon-Bissegg	43%	1'382
57	Gottlieben	43%	340
58	Wäldi	43%	1'168
59	Herdern	43%	1'168
60	Warth-Weiningen	43%	1'449
61	Märstetten	43%	2'949
62	Hüttwilen	43%	1'758
63	Uesslingen-Buch	43%	1'131
64	Homburg	43%	1'570
65	Müllheim	43%	3'306
66	Thundorf	43%	1'678
67	Bussnang	43%	2'572
68	Felben-Wellhausen	43%	3'195
69	Kemmental	43%	2'800
70	Tägerwilen	43%	5'341
71	Affeltrangen	43%	2'837
72	Hauptwil-Gottshaus	41.2%	2'084
73	Schönholzerswilen	41.2%	889
74	Zihlschlacht-Sitterdorf	41.2%	2'612
75	Bischofszell	41.2%	6'298
76	Roggwil	41.2%	3'397
77	Hohentannen	41.2%	664
78	Wuppenau	41.2%	1'194
79	Kradolf-Schönenberg	41.2%	3'899
80	Horn	39.7%	3'130

How we measure this

MeteoSchweiz

Relative sunshine duration (actual as a share of astronomically possible sunshine) from the nearest MeteoSwiss station, at most 25 km away, averaged up to 2025. The relative figure is topography-fair because it accounts for shorter winter days.

Frequently asked questions

Which municipality in canton Thurgau is the sunniest?: Romanshorn is the sunniest municipality in canton Thurgau, at 45% relative sunshine (2025).
What does relative sunshine duration mean?: The share of actual sunshine hours against the maximum possible. It makes places with short winter days fairly comparable with very sunny locations.