Which municipality in canton Grisons is the sunniest?

Roveredo is the sunniest municipality in canton Grisons, at 54.8% relative sunshine (1991–2020).

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.

← Canton Grisons overview

Ranking · Data 1991–2020 · Source: BFS

The sunniest municipalities in canton Grisons (1991–2020)

National ranking →

Roveredo is the sunniest municipality in canton Grisons: 54.8% of possible sunshine duration (1991–2020 normals). Next come San Vittore (53.8%) and Lostallo (53.2%). Source: MeteoSwiss 1 km climate-normals grid.

Ranking

MeteoSchweiz · 1991–2020

Rank	Municipality	Sunshine	Residents
1	Roveredo	54.8%	2'711
2	San Vittore	53.8%	946
3	Lostallo	53.2%	871
4	Cama	53.2%	735
5	Grono	53.1%	1'634
6	Santa Maria in Calanca	53%	113
7	Brusio	52.9%	1'103
8	Samedan	52.9%	2'926
9	Celerina/Schlarigna	52.6%	1'410
10	Buseno	52.5%	102
11	Soazza	52.3%	320
12	Pontresina	51.7%	2'077
13	Castaneda	51.5%	262
14	Poschiavo	50.7%	3'494
15	Rhäzüns	50.5%	1'607
16	Silvaplana	50.5%	1'108
17	Bever	50.4%	627
18	Masein	50.2%	538
19	St. Moritz	50.2%	5'027
20	Sils im Engadin/Segl	50.2%	693
21	Furna	50.1%	200
22	Untervaz	50.1%	2'676
23	Bregaglia	49.8%	1'602
24	Calanca	49.8%	213
25	Rongellen	49.7%	55
26	Madulain	49.7%	206
27	Zuoz	49.6%	1'210
28	Churwalden	49.6%	2'075
29	Cazis	49.5%	2'551
30	La Punt Chamues-ch	49.5%	763
31	Rossa	49.5%	172
32	Zizers	49.5%	3'827
33	Flerden	49.3%	253
34	Landquart	49.3%	9'281
35	Bonaduz	49.2%	3'618
36	S-chanf	49.2%	736
37	Fürstenau	49.1%	353
38	Andeer	49.1%	912
39	Chur	49.1%	39'753
40	Zernez	49%	1'586
41	Surses	48.8%	2'494
42	Val Müstair	48.8%	1'427
43	Lumnezia	48.6%	2'056
44	Rothenbrunnen	48.4%	337
45	Thusis	48.4%	3'453
46	Domat/Ems	48.4%	8'428
47	Urmein	48.3%	162
48	Jenaz	48.3%	1'150
49	Sagogn	48.2%	777
50	Ilanz/Glion	48.1%	5'101
51	Sils im Domleschg	48.1%	954
52	Zillis-Reischen	48.1%	440
53	Davos	48.1%	10'738
54	Trimmis	48.1%	3'472
55	Maienfeld	48.1%	3'344
56	Vaz/Obervaz	48%	2'703
57	Bergün Filisur	48%	894
58	Felsberg	48%	2'849
59	Obersaxen Mundaun	48%	1'151
60	Grüsch	47.9%	2'189
61	Scharans	47.8%	846
62	Tschappina	47.7%	148
63	Safiental	47.6%	972
64	Sumvitg	47.5%	1'053
65	Scuol	47.4%	4'599
66	Conters im Prättigau	47.4%	235
67	Vals	47.3%	948
68	Avers	47.3%	166
69	Muntogna da Schons	47.3%	378
70	Tujetsch	47.3%	1'186
71	Lantsch/Lenz	47.2%	534
72	Laax	47.2%	2'104
73	Ferrera	47.2%	74
74	Domleschg	47.1%	2'233
75	Tamins	47.1%	1'225
76	Seewis im Prättigau	47.1%	1'485
77	Schluein	47%	611
78	Mesocco	47%	1'432
79	Rheinwald	46.9%	598
80	Schmitten	46.8%	213
81	Samnaun	46.8%	761
82	Küblis	46.7%	913
83	Klosters	46.6%	4'499
84	Luzein	46.6%	1'706
85	Schiers	46.6%	3'017
86	Valsot	46.5%	824
87	Disentis/Mustér	46.5%	2'163
88	Albula/Alvra	46.3%	1'310
89	Fideris	46.3%	634
90	Sufers	46.1%	146
91	Arosa	46.1%	3'144
92	Breil/Brigels	46.1%	1'738
93	Falera	46%	651
94	Trin	46%	1'574
95	Trun	45.7%	1'136
96	Medel	45.3%	330
97	Flims	45.2%	2'954
98	Fläsch	44.6%	886
99	Jenins	44.5%	979
100	Malans	44.5%	2'530

1991–2020 · MeteoSwiss, retrieved 28.08.2026

How we measure this

MeteoSchweiz

Relative sunshine duration (actual as a share of astronomically possible sunshine) from the MeteoSwiss 1 km gridded climate normals — a spatial analysis of the 1991–2020 normals period — read at the municipality's main settlement. The relative figure is topography-fair because it accounts for shorter winter days.

Frequently asked questions

Which municipality in canton Grisons is the sunniest?: Roveredo is the sunniest municipality in canton Grisons, at 54.8% relative sunshine (1991–2020).
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.