Zermatt weather in July
In July, Zermatt sees average daytime highs of 14°C and overnight lows near 5°C, with 188 mm of precipitation across 19.6 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels dry.
Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Zermatt's 3rd-clearest and 11th-windiest month. For the whole year in context, see Zermatt's year-round climate.
- Daytime high
- 14°
- 1st warmest
- Overnight low
- 5°
- 12th coldest
- Precipitation
- 188 mm
- 19.6 wet days
- Daylight
- 15 h 12 min
- 4:58 AM – 8:11 PM
- Cloud cover
- 59%
- 3rd clearest
- Wind
- 4 km/h
- 11th windiest
- Solar energy
- 6.17 kWh/m²
- Travel score
- 3.2
- out of 10
Zermatt is municipality in Visp district, canton of Valais, Switzerland.
- Density
- 27/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 14°C through the month.
A typical July day in Zermatt reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg low (°C) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 14 | 5 |
| 2 | 14 | 5 |
| 3 | 14 | 5 |
| 4 | 14 | 5 |
| 5 | 14 | 5 |
| 6 | 14 | 5 |
| 7 | 14 | 5 |
| 8 | 14 | 5 |
| 9 | 14 | 5 |
| 10 | 14 | 5 |
| 11 | 14 | 5 |
| 12 | 14 | 5 |
| 13 | 14 | 5 |
| 14 | 14 | 5 |
| 15 | 14 | 5 |
| 16 | 14 | 5 |
| 17 | 14 | 5 |
| 18 | 14 | 5 |
| 19 | 14 | 5 |
| 20 | 14 | 5 |
| 21 | 14 | 5 |
| 22 | 14 | 5 |
| 23 | 14 | 5 |
| 24 | 14 | 5 |
| 25 | 14 | 5 |
| 26 | 14 | 5 |
| 27 | 14 | 5 |
| 28 | 14 | 5 |
| 29 | 14 | 5 |
| 30 | 14 | 5 |
| 31 | 14 | 5 |
How July really feels in Zermatt
Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Zermatt weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -8° / -15° | 100 | 12.1 | 13.1 | 8.9 | 0.0 |
| Feb | -6° / -14° | 80 | 11.2 | 12.2 | 10 | 0.0 |
| Mar | -2° / -10° | 90 | 12.2 | 13.6 | 11.6 | 0.0 |
| Apr | 1° / -6° | 144 | 15 | 15.1 | 13.3 | 0.0 |
| May | 6° / -1° | 187 | 18.5 | 12.3 | 14.7 | 0.4 |
| Jun | 11° / 3° | 173 | 19.5 | 4.4 | 15.5 | 2.2 |
| Jul | 14° / 5° | 188 | 19.6 | 1 | 15.2 | 3.2 |
| Aug | 13° / 4° | 184 | 19.4 | 1.3 | 14 | 3.0 |
| Sep | 10° / 1° | 137 | 15.5 | 4.8 | 12.3 | 1.8 |
| Oct | 5° / -3° | 130 | 11.7 | 8.8 | 10.7 | 0.2 |
| Nov | -2° / -9° | 173 | 13.7 | 14.4 | 9.2 | 0.0 |
| Dec | -7° / -14° | 102 | 12.3 | 13.4 | 8.5 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 25% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 52%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 48 | 47 | 47 |
| Cloudier (%) | 51 | 51 | 52 | 52 | 52 | 52 | 53 | 53 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 48 | 52 |
| 4 | 48 | 52 |
| 5 | 48 | 52 |
| 6 | 48 | 52 |
| 7 | 47 | 53 |
| 8 | 47 | 53 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 49 | 51 |
| 15 | 49 | 51 |
| 16 | 49 | 51 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 47 | 53 |
| 29 | 48 | 52 |
| 30 | 47 | 53 |
| 31 | 47 | 53 |
Chance of precipitation in July
Zermatt gets around 188 mm of rain and snow over 19.6 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 63% and peaks near 65% on the wettest days, and about 1 day brings snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 |
| Snow chance (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 62 | 5 |
| 2 | 62 | 5 |
| 3 | 63 | 5 |
| 4 | 63 | 5 |
| 5 | 63 | 5 |
| 6 | 63 | 5 |
| 7 | 63 | 5 |
| 8 | 63 | 5 |
| 9 | 63 | 5 |
| 10 | 63 | 5 |
| 11 | 62 | 5 |
| 12 | 62 | 5 |
| 13 | 62 | 5 |
| 14 | 62 | 5 |
| 15 | 62 | 5 |
| 16 | 63 | 4 |
| 17 | 63 | 4 |
| 18 | 63 | 4 |
| 19 | 63 | 3 |
| 20 | 63 | 3 |
| 21 | 64 | 3 |
| 22 | 64 | 2 |
| 23 | 64 | 2 |
| 24 | 64 | 2 |
| 25 | 64 | 1 |
| 26 | 64 | 1 |
| 27 | 64 | 1 |
| 28 | 64 | 1 |
| 29 | 65 | 1 |
| 30 | 65 | 2 |
| 31 | 65 | 2 |
Humidity in July
Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in July
Winds average 4 km/h in July.
Across July, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in July
Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over July. Sunrise moves from 4:47 AM to 5:14 AM, and sunset from 8:18 PM to 7:56 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 | 15.3 | 15.3 | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.7 | 14.7 |
| Sunrise (AM) | 4:47 | 4:47 | 4:48 | 4:49 | 4:49 | 4:50 | 4:51 | 4:51 | 4:52 | 4:53 | 4:54 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:11 | 5:12 | 5:13 | 5:14 |
| Sunset (PM) | 8:18 | 8:18 | 8:17 | 8:17 | 8:17 | 8:17 | 8:16 | 8:16 | 8:15 | 8:15 | 8:14 | 8:14 | 8:13 | 8:13 | 8:12 | 8:11 | 8:10 | 8:10 | 8:09 | 8:08 | 8:07 | 8:06 | 8:05 | 8:04 | 8:03 | 8:02 | 8:01 | 8:00 | 7:59 | 7:57 | 7:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.5 | 4:47 | 8:18 |
| 2 | 15.5 | 4:47 | 8:18 |
| 3 | 15.5 | 4:48 | 8:17 |
| 4 | 15.5 | 4:49 | 8:17 |
| 5 | 15.5 | 4:49 | 8:17 |
| 6 | 15.4 | 4:50 | 8:17 |
| 7 | 15.4 | 4:51 | 8:16 |
| 8 | 15.4 | 4:51 | 8:16 |
| 9 | 15.4 | 4:52 | 8:15 |
| 10 | 15.4 | 4:53 | 8:15 |
| 11 | 15.3 | 4:54 | 8:14 |
| 12 | 15.3 | 4:54 | 8:14 |
| 13 | 15.3 | 4:55 | 8:13 |
| 14 | 15.3 | 4:56 | 8:13 |
| 15 | 15.2 | 4:57 | 8:12 |
| 16 | 15.2 | 4:58 | 8:11 |
| 17 | 15.2 | 4:59 | 8:10 |
| 18 | 15.2 | 5:00 | 8:10 |
| 19 | 15.1 | 5:01 | 8:09 |
| 20 | 15.1 | 5:02 | 8:08 |
| 21 | 15.1 | 5:03 | 8:07 |
| 22 | 15.0 | 5:04 | 8:06 |
| 23 | 15.0 | 5:05 | 8:05 |
| 24 | 15.0 | 5:06 | 8:04 |
| 25 | 14.9 | 5:07 | 8:03 |
| 26 | 14.9 | 5:08 | 8:02 |
| 27 | 14.9 | 5:09 | 8:01 |
| 28 | 14.8 | 5:11 | 8:00 |
| 29 | 14.8 | 5:12 | 7:59 |
| 30 | 14.7 | 5:13 | 7:57 |
| 31 | 14.7 | 5:14 | 7:56 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.17 kWh/m².
For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 6.43 kWh/m² in June across the year — July's 6.17 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Is July a good time to visit Zermatt?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a weaker month for outdoor sightseeing in Zermatt.
What to pack for Zermatt in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Zermatt sees daytime highs around 14°C and nights near 5°C. Pack rain gear and sun protection. Worth having: a warm layer. About 20 days see rain.
UV index in Zermatt in July
Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zermatt peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 9 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Zermatt?
Zermatt sits at 46.0°N, 7.7°E, 0 m above sea level, in Switzerland. The nearest listed city is Sierre, 34 km away.
Topography around Zermatt
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zermatt.
Within 3 km, the terrain around Zermatt has very significant variations in elevation — a maximum elevation change of 1,598 m around an average of 2,203 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,378 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,639 m.
The land around Zermatt is covered by grassland (47%) and trees (34%) within 3 km, snow and ice (46%) and bare terrain (25%) within 16 km, and trees (43%) and grassland (30%) within 80 km.
Switzerland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / J
- 230 V · 50 Hz
- Prices
- ≈ 112% of US
- price level, 2025
- GDP per capita
- $114,769
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 2.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 564
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Zermatt (46.02°, 7.7486°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).