Monthey weather in December
In December, Monthey sees average daytime highs of -1°C and overnight lows near -9°C, with 150 mm of precipitation across 13.2 wet days and about 8.5 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.
Highs ease over the month, from about 0°C in the first days to -2°C by the end. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels dry.
Daylight stretches from about 8 h 42 min at the start of December to 8 h 30 min by month's end. Set against the rest of the year, December is Monthey's 7th-clearest and 1st-windiest month. For the whole year in context, see Monthey's year-round climate.
- Daytime high
- -1°
- 11th warmest
- Overnight low
- -9°
- 2nd coldest
- Precipitation
- 150 mm
- 13.2 wet days
- Daylight
- 8 h 24 min
- 8:15 AM – 4:41 PM
- Cloud cover
- 61%
- 7th clearest
- Wind
- 6 km/h
- 1st windiest
- Solar energy
- 1.28 kWh/m²
- Travel score
- 0.0
- out of 10
Temperature in December
Highs ease over the month, from about 0°C in the first days to -2°C by the end.
A typical December day in Monthey reaches about -1°C in the afternoon and slips back to -9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 4°C. Set against its neighbours, December runs about 5°C cooler than November and on par with January.
| 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) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 |
| Avg low (°C) | -8 | -8 | -8 | -8 | -8 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 1 | -8 |
| 2 | 1 | -8 |
| 3 | 0 | -8 |
| 4 | 0 | -8 |
| 5 | 0 | -8 |
| 6 | 0 | -9 |
| 7 | 0 | -9 |
| 8 | 0 | -9 |
| 9 | 0 | -9 |
| 10 | -1 | -9 |
| 11 | -1 | -9 |
| 12 | -1 | -9 |
| 13 | -1 | -9 |
| 14 | -1 | -9 |
| 15 | -1 | -9 |
| 16 | -1 | -9 |
| 17 | -1 | -9 |
| 18 | -1 | -9 |
| 19 | -1 | -10 |
| 20 | -1 | -10 |
| 21 | -1 | -10 |
| 22 | -1 | -10 |
| 23 | -1 | -10 |
| 24 | -2 | -10 |
| 25 | -2 | -10 |
| 26 | -2 | -10 |
| 27 | -2 | -10 |
| 28 | -2 | -10 |
| 29 | -2 | -10 |
| 30 | -2 | -10 |
| 31 | -2 | -10 |
How December really feels in Monthey
Once humidity and wind are folded in, December 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 December is cold — wind chill drags the overnight "feels like" below the raw low.
Monthey weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-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 December
The sky is clear or mostly clear about 31% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 59%.
| 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 (%) | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 41 |
| Cloudier (%) | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 60 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 41 | 59 |
| 2 | 41 | 59 |
| 3 | 41 | 59 |
| 4 | 41 | 59 |
| 5 | 41 | 59 |
| 6 | 41 | 59 |
| 7 | 42 | 58 |
| 8 | 42 | 58 |
| 9 | 42 | 58 |
| 10 | 42 | 58 |
| 11 | 42 | 58 |
| 12 | 42 | 58 |
| 13 | 42 | 58 |
| 14 | 42 | 58 |
| 15 | 41 | 59 |
| 16 | 41 | 59 |
| 17 | 40 | 60 |
| 18 | 40 | 60 |
| 19 | 40 | 60 |
| 20 | 40 | 60 |
| 21 | 39 | 61 |
| 22 | 39 | 61 |
| 23 | 39 | 61 |
| 24 | 39 | 61 |
| 25 | 40 | 60 |
| 26 | 40 | 60 |
| 27 | 40 | 60 |
| 28 | 40 | 60 |
| 29 | 40 | 60 |
| 30 | 40 | 60 |
| 31 | 41 | 59 |
Chance of precipitation in December
Monthey gets around 150 mm of rain and snow over 13.2 wet days in December. 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 45% on the wettest days, and about 13 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 (%) | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 44 |
| Snow chance (%) | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 41 | 37 |
| 2 | 41 | 37 |
| 3 | 41 | 38 |
| 4 | 41 | 38 |
| 5 | 41 | 39 |
| 6 | 41 | 39 |
| 7 | 42 | 39 |
| 8 | 42 | 39 |
| 9 | 42 | 40 |
| 10 | 42 | 40 |
| 11 | 42 | 40 |
| 12 | 43 | 41 |
| 13 | 43 | 41 |
| 14 | 43 | 41 |
| 15 | 43 | 41 |
| 16 | 43 | 41 |
| 17 | 43 | 41 |
| 18 | 43 | 41 |
| 19 | 43 | 41 |
| 20 | 44 | 41 |
| 21 | 44 | 42 |
| 22 | 44 | 42 |
| 23 | 44 | 42 |
| 24 | 45 | 42 |
| 25 | 45 | 43 |
| 26 | 45 | 43 |
| 27 | 45 | 43 |
| 28 | 45 | 43 |
| 29 | 45 | 43 |
| 30 | 45 | 43 |
| 31 | 44 | 43 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December 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 December
Winds average 6 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 5 km/h on the calmest days to 6 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 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in December
Daylight runs from about 8 h 42 min at the start of December to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 8:01 AM to 8:22 AM, and sunset from 4:42 PM to 4:49 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) | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.5 |
| Sunrise (AM) | 8:01 | 8:03 | 8:04 | 8:05 | 8:06 | 8:07 | 8:08 | 8:09 | 8:10 | 8:11 | 8:11 | 8:12 | 8:13 | 8:14 | 8:15 | 8:15 | 8:16 | 8:17 | 8:17 | 8:18 | 8:18 | 8:19 | 8:19 | 8:20 | 8:20 | 8:20 | 8:21 | 8:21 | 8:21 | 8:21 | 8:22 |
| Sunset (PM) | 4:42 | 4:42 | 4:42 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:41 | 4:42 | 4:42 | 4:42 | 4:43 | 4:43 | 4:43 | 4:44 | 4:44 | 4:45 | 4:46 | 4:46 | 4:47 | 4:48 | 4:48 | 4:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.7 | 8:01 | 4:42 |
| 2 | 8.7 | 8:03 | 4:42 |
| 3 | 8.6 | 8:04 | 4:42 |
| 4 | 8.6 | 8:05 | 4:41 |
| 5 | 8.6 | 8:06 | 4:41 |
| 6 | 8.6 | 8:07 | 4:41 |
| 7 | 8.6 | 8:08 | 4:41 |
| 8 | 8.5 | 8:09 | 4:41 |
| 9 | 8.5 | 8:10 | 4:41 |
| 10 | 8.5 | 8:11 | 4:41 |
| 11 | 8.5 | 8:11 | 4:41 |
| 12 | 8.5 | 8:12 | 4:41 |
| 13 | 8.5 | 8:13 | 4:41 |
| 14 | 8.4 | 8:14 | 4:41 |
| 15 | 8.4 | 8:15 | 4:41 |
| 16 | 8.4 | 8:15 | 4:41 |
| 17 | 8.4 | 8:16 | 4:42 |
| 18 | 8.4 | 8:17 | 4:42 |
| 19 | 8.4 | 8:17 | 4:42 |
| 20 | 8.4 | 8:18 | 4:43 |
| 21 | 8.4 | 8:18 | 4:43 |
| 22 | 8.4 | 8:19 | 4:43 |
| 23 | 8.4 | 8:19 | 4:44 |
| 24 | 8.4 | 8:20 | 4:44 |
| 25 | 8.4 | 8:20 | 4:45 |
| 26 | 8.4 | 8:20 | 4:46 |
| 27 | 8.4 | 8:21 | 4:46 |
| 28 | 8.4 | 8:21 | 4:47 |
| 29 | 8.4 | 8:21 | 4:48 |
| 30 | 8.4 | 8:21 | 4:48 |
| 31 | 8.5 | 8:22 | 4:49 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 1.28 kWh/m² — the year's lowest.
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 — December's 1.28 kWh/m² sits near the bottom.
| 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) | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.4 | Dim |
| 2 | 1.4 | Dim |
| 3 | 1.4 | Dim |
| 4 | 1.4 | Dim |
| 5 | 1.4 | Dim |
| 6 | 1.4 | Dim |
| 7 | 1.3 | Dim |
| 8 | 1.3 | Dim |
| 9 | 1.3 | Dim |
| 10 | 1.3 | Dim |
| 11 | 1.3 | Dim |
| 12 | 1.3 | Dim |
| 13 | 1.3 | Dim |
| 14 | 1.3 | Dim |
| 15 | 1.3 | Dim |
| 16 | 1.3 | Dim |
| 17 | 1.3 | Dim |
| 18 | 1.3 | Dim |
| 19 | 1.3 | Dim |
| 20 | 1.3 | Dim |
| 21 | 1.3 | Dim |
| 22 | 1.3 | Dim |
| 23 | 1.3 | Dim |
| 24 | 1.3 | Dim |
| 25 | 1.3 | Dim |
| 26 | 1.3 | Dim |
| 27 | 1.3 | Dim |
| 28 | 1.3 | Dim |
| 29 | 1.3 | Dim |
| 30 | 1.3 | Dim |
| 31 | 1.3 | Dim |
Is December a good time to visit Monthey?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Monthey.
What to pack for Monthey in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Monthey sees daytime highs around -1°C and nights near -9°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 13 days see rain.
UV index in Monthey in December
Clear-sky midday UV in December peaks around 1. 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).