Monthey weather in March
In March, Monthey sees average daytime highs of 5°C and overnight lows near -5°C, with 120 mm of precipitation across 13.6 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 3°C in the first days to 6°C by the end. The sky is clear or mostly clear about 32% of the time in March, and the air most often feels dry.
Daylight stretches from about 10 h 48 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Monthey's 6th-clearest and 5th-windiest month. For the whole year in context, see Monthey's year-round climate.
- Daytime high
- 5°
- 8th warmest
- Overnight low
- -5°
- 5th coldest
- Precipitation
- 120 mm
- 13.6 wet days
- Daylight
- 11 h 36 min
- 6:54 AM – 6:30 PM
- Cloud cover
- 59%
- 6th clearest
- Wind
- 4 km/h
- 5th windiest
- Solar energy
- 3.97 kWh/m²
- Travel score
- 0.1
- out of 10
Temperature in March
Highs climb over the month, from about 3°C in the first days to 6°C by the end.
A typical March day in Monthey reaches about 5°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 -1°C and 11°C. Set against its neighbours, March runs about 4°C warmer than February and about 4°C cooler than April.
| 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) | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Avg low (°C) | -7 | -6 | -6 | -6 | -6 | -6 | -6 | -6 | -5 | -5 | -5 | -5 | -5 | -5 | -4 | -4 | -4 | -4 | -4 | -4 | -4 | -4 | -4 | -3 | -3 | -3 | -3 | -3 | -3 | -3 | -3 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 2 | -7 |
| 2 | 3 | -6 |
| 3 | 3 | -6 |
| 4 | 3 | -6 |
| 5 | 3 | -6 |
| 6 | 3 | -6 |
| 7 | 3 | -6 |
| 8 | 4 | -6 |
| 9 | 4 | -5 |
| 10 | 4 | -5 |
| 11 | 4 | -5 |
| 12 | 4 | -5 |
| 13 | 5 | -5 |
| 14 | 5 | -5 |
| 15 | 5 | -4 |
| 16 | 5 | -4 |
| 17 | 5 | -4 |
| 18 | 5 | -4 |
| 19 | 5 | -4 |
| 20 | 5 | -4 |
| 21 | 6 | -4 |
| 22 | 6 | -4 |
| 23 | 6 | -4 |
| 24 | 6 | -3 |
| 25 | 6 | -3 |
| 26 | 6 | -3 |
| 27 | 6 | -3 |
| 28 | 6 | -3 |
| 29 | 6 | -3 |
| 30 | 6 | -3 |
| 31 | 6 | -3 |
How March really feels in Monthey
Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is cold — wind chill drags the overnight "feels like" below the raw low.
Monthey weather by month
How March compares with the rest of the year at a glance. March is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -10° | 133 | 12.8 | 12.5 | 8.8 | 0.0 |
| Feb | 1° / -9° | 117 | 11.6 | 11.4 | 10 | 0.0 |
| Mar | 5° / -5° | 120 | 13.6 | 11.5 | 11.6 | 0.1 |
| Apr | 8° / -1° | 123 | 15 | 9.1 | 13.3 | 1.3 |
| May | 13° / 3° | 193 | 19.7 | 3.7 | 14.7 | 2.9 |
| Jun | 17° / 7° | 201 | 19.4 | 0.5 | 15.5 | 4.3 |
| Jul | 19° / 9° | 206 | 18.9 | 0.1 | 15.2 | 5.0 |
| Aug | 19° / 8° | 194 | 17.4 | 0.1 | 14 | 5.1 |
| Sep | 15° / 5° | 140 | 15 | 1.3 | 12.3 | 4.0 |
| Oct | 11° / 1° | 120 | 13.4 | 4 | 10.7 | 2.4 |
| Nov | 4° / -5° | 129 | 13.3 | 9.9 | 9.2 | 0.2 |
| Dec | -1° / -9° | 150 | 13.2 | 12.5 | 8.5 | 0.0 |
Cloud cover in March
The sky is clear or mostly clear about 32% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 57%.
| 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 (%) | 37 | 37 | 38 | 38 | 39 | 39 | 41 | 43 | 44 | 44 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 44 | 43 | 42 | 42 | 41 | 41 | 40 | 41 | 41 | 41 |
| Cloudier (%) | 63 | 63 | 62 | 62 | 61 | 61 | 59 | 57 | 56 | 56 | 54 | 53 | 53 | 53 | 52 | 52 | 52 | 53 | 53 | 54 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 60 | 59 | 59 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 37 | 63 |
| 2 | 37 | 63 |
| 3 | 38 | 62 |
| 4 | 38 | 62 |
| 5 | 39 | 61 |
| 6 | 39 | 61 |
| 7 | 41 | 59 |
| 8 | 43 | 57 |
| 9 | 44 | 56 |
| 10 | 44 | 56 |
| 11 | 46 | 54 |
| 12 | 47 | 53 |
| 13 | 47 | 53 |
| 14 | 47 | 53 |
| 15 | 48 | 52 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 46 | 54 |
| 21 | 45 | 55 |
| 22 | 44 | 56 |
| 23 | 43 | 57 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 40 | 60 |
| 29 | 41 | 59 |
| 30 | 41 | 59 |
| 31 | 41 | 59 |
Chance of precipitation in March
Monthey gets around 120 mm of rain and snow over 13.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 43% and peaks near 46% on the wettest days, and about 12 days bring 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 (%) | 46 | 46 | 46 | 45 | 45 | 44 | 44 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 40 | 40 | 41 | 42 | 42 | 43 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 46 |
| Snow chance (%) | 45 | 44 | 44 | 43 | 43 | 42 | 40 | 39 | 38 | 36 | 35 | 34 | 33 | 32 | 32 | 32 | 31 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 46 | 45 |
| 2 | 46 | 44 |
| 3 | 46 | 44 |
| 4 | 45 | 43 |
| 5 | 45 | 43 |
| 6 | 44 | 42 |
| 7 | 44 | 40 |
| 8 | 43 | 39 |
| 9 | 42 | 38 |
| 10 | 41 | 36 |
| 11 | 41 | 35 |
| 12 | 40 | 34 |
| 13 | 40 | 33 |
| 14 | 39 | 32 |
| 15 | 39 | 32 |
| 16 | 39 | 32 |
| 17 | 40 | 31 |
| 18 | 40 | 32 |
| 19 | 41 | 32 |
| 20 | 42 | 32 |
| 21 | 42 | 33 |
| 22 | 43 | 33 |
| 23 | 44 | 34 |
| 24 | 44 | 34 |
| 25 | 45 | 34 |
| 26 | 45 | 35 |
| 27 | 45 | 35 |
| 28 | 46 | 35 |
| 29 | 46 | 35 |
| 30 | 46 | 36 |
| 31 | 46 | 36 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March 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 March
Winds average 4 km/h in March.
Across March, daily wind ranges from about 4 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | 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 March
Daylight runs from about 10 h 48 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 96 minutes over March. Sunrise moves from 7:22 AM to 6:24 AM, and sunset from 6:08 PM to 6:50 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) | 10.8 | 10.8 | 10.9 | 10.9 | 11.0 | 11.0 | 11.1 | 11.1 | 11.2 | 11.3 | 11.3 | 11.4 | 11.4 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.4 | 12.4 |
| Sunrise (AM) | 7:22 | 7:21 | 7:19 | 7:17 | 7:15 | 7:13 | 7:11 | 7:10 | 7:08 | 7:06 | 7:04 | 7:02 | 7:00 | 6:58 | 6:56 | 6:54 | 6:52 | 6:50 | 6:48 | 6:46 | 6:44 | 6:42 | 6:40 | 6:38 | 6:36 | 6:34 | 6:32 | 6:30 | 6:28 | 6:26 | 6:24 |
| Sunset (PM) | 6:08 | 6:10 | 6:11 | 6:13 | 6:14 | 6:16 | 6:17 | 6:18 | 6:20 | 6:21 | 6:23 | 6:24 | 6:25 | 6:27 | 6:28 | 6:30 | 6:31 | 6:32 | 6:34 | 6:35 | 6:37 | 6:38 | 6:39 | 6:41 | 6:42 | 6:43 | 6:45 | 6:46 | 6:47 | 6:49 | 6:50 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 7:22 | 6:08 |
| 2 | 10.8 | 7:21 | 6:10 |
| 3 | 10.9 | 7:19 | 6:11 |
| 4 | 10.9 | 7:17 | 6:13 |
| 5 | 11.0 | 7:15 | 6:14 |
| 6 | 11.0 | 7:13 | 6:16 |
| 7 | 11.1 | 7:11 | 6:17 |
| 8 | 11.1 | 7:10 | 6:18 |
| 9 | 11.2 | 7:08 | 6:20 |
| 10 | 11.3 | 7:06 | 6:21 |
| 11 | 11.3 | 7:04 | 6:23 |
| 12 | 11.4 | 7:02 | 6:24 |
| 13 | 11.4 | 7:00 | 6:25 |
| 14 | 11.5 | 6:58 | 6:27 |
| 15 | 11.5 | 6:56 | 6:28 |
| 16 | 11.6 | 6:54 | 6:30 |
| 17 | 11.6 | 6:52 | 6:31 |
| 18 | 11.7 | 6:50 | 6:32 |
| 19 | 11.8 | 6:48 | 6:34 |
| 20 | 11.8 | 6:46 | 6:35 |
| 21 | 11.9 | 6:44 | 6:37 |
| 22 | 11.9 | 6:42 | 6:38 |
| 23 | 12.0 | 6:40 | 6:39 |
| 24 | 12.0 | 6:38 | 6:41 |
| 25 | 12.1 | 6:36 | 6:42 |
| 26 | 12.2 | 6:34 | 6:43 |
| 27 | 12.2 | 6:32 | 6:45 |
| 28 | 12.3 | 6:30 | 6:46 |
| 29 | 12.3 | 6:28 | 6:47 |
| 30 | 12.4 | 6:26 | 6:49 |
| 31 | 12.4 | 6:24 | 6:50 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 3.97 kWh/m².
For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 5.84 kWh/m² in June across the year — March's 3.97 kWh/m² falls in the middle.
| 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) | 3.2 | 3.2 | 3.3 | 3.3 | 3.4 | 3.5 | 3.5 | 3.6 | 3.6 | 3.7 | 3.8 | 3.8 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.2 | Moderate |
| 2 | 3.2 | Moderate |
| 3 | 3.3 | Moderate |
| 4 | 3.3 | Moderate |
| 5 | 3.4 | Moderate |
| 6 | 3.5 | Moderate |
| 7 | 3.5 | Moderate |
| 8 | 3.6 | Moderate |
| 9 | 3.6 | Moderate |
| 10 | 3.7 | Moderate |
| 11 | 3.8 | Moderate |
| 12 | 3.8 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 4.0 | Moderate |
| 15 | 4.0 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.7 | Bright |
Is March a good time to visit Monthey?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Monthey.
What to pack for Monthey in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Monthey sees daytime highs around 5°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 14 days see rain.
UV index in Monthey in March
Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Monthey peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Monthey?
Monthey sits at 46.3°N, 7.0°E, 413 m above sea level, in Switzerland. The nearest listed city is Martigny-Ville, 19 km away.
Topography around Monthey
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monthey.
Within 3 km, the terrain around Monthey has large variations in elevation — a maximum elevation change of 1,057 m around an average of 593 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,844 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,464 m.
The land around Monthey is covered by trees (52%) within 3 km, trees (49%) and grassland (35%) within 16 km, and trees (40%) and grassland (33%) 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 Monthey (46.2545°, 6.9541°, elevation 413 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).