San Martín weather in May
In May, San Martín sees average daytime highs of 19°C and overnight lows near 8°C, with 13 mm of rain across 2.6 wet days and about 10.3 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 49% of the time in May, and the air most often feels dry.
Daylight stretches from about 10 h 42 min at the start of May to 10 hours by month's end. Set against the rest of the year, May is San Martín's 12th-clearest and 11th-windiest month. For the whole year in context, see San Martín's year-round climate.
- Daytime high
- 19°
- 9th warmest
- Overnight low
- 8°
- 4th coldest
- Rainfall
- 13 mm
- 2.6 wet days
- Daylight
- 10 h 18 min
- 8:21 AM – 6:39 PM
- Cloud cover
- 45%
- 12th clearest
- Wind
- 9 km/h
- 11th windiest
- Solar energy
- 3.06 kWh/m²
- Travel score
- 7.2
- out of 10
San Martín is city in the Mendoza Province, Argentina.
- Density
- 55/km²
- people per km²
- Founded
- 1816
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs ease over the month, from about 21°C in the first days to 17°C by the end.
A typical May day in San Martín reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, May runs about 5°C cooler than April and about 3°C warmer than June.
| 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) | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 10 |
| 2 | 21 | 10 |
| 3 | 21 | 10 |
| 4 | 21 | 10 |
| 5 | 20 | 10 |
| 6 | 20 | 9 |
| 7 | 20 | 9 |
| 8 | 20 | 9 |
| 9 | 20 | 9 |
| 10 | 20 | 9 |
| 11 | 19 | 9 |
| 12 | 19 | 9 |
| 13 | 19 | 8 |
| 14 | 19 | 8 |
| 15 | 19 | 8 |
| 16 | 18 | 8 |
| 17 | 18 | 8 |
| 18 | 18 | 8 |
| 19 | 18 | 8 |
| 20 | 18 | 7 |
| 21 | 18 | 7 |
| 22 | 17 | 7 |
| 23 | 17 | 7 |
| 24 | 17 | 7 |
| 25 | 17 | 7 |
| 26 | 17 | 6 |
| 27 | 17 | 6 |
| 28 | 17 | 6 |
| 29 | 17 | 6 |
| 30 | 17 | 6 |
| 31 | 16 | 6 |
How May really feels in San Martín
Once humidity and wind are folded in, May 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.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Martín weather by month
How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 33° / 21° | 48 | 7.8 | 13.9 | 4.0 |
| Feb | 31° / 19° | 37 | 6.3 | 13.2 | 5.0 |
| Mar | 28° / 17° | 43 | 6.2 | 12.3 | 6.9 |
| Apr | 23° / 12° | 20 | 4.3 | 11.2 | 8.2 |
| May | 19° / 8° | 13 | 2.6 | 10.3 | 7.2 |
| Jun | 15° / 4° | 6 | 1.3 | 9.9 | 5.9 |
| Jul | 15° / 3° | 6 | 1.6 | 10 | 5.9 |
| Aug | 18° / 6° | 10 | 1.9 | 10.8 | 7.6 |
| Sep | 22° / 10° | 12 | 2.3 | 11.8 | 8.4 |
| Oct | 26° / 14° | 20 | 3.9 | 12.8 | 8.1 |
| Nov | 30° / 17° | 27 | 5.1 | 13.7 | 6.1 |
| Dec | 32° / 19° | 38 | 6.7 | 14.1 | 4.4 |
Cloud cover in May
The sky is clear or mostly clear about 49% of the time in May, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 36%.
| 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 (%) | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 63 | 63 | 62 | 61 | 61 | 61 | 61 | 60 | 61 | 61 | 62 | 62 | 64 | 65 | 65 | 67 | 68 | 68 |
| Cloudier (%) | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 39 | 39 | 40 | 39 | 39 | 38 | 38 | 36 | 35 | 35 | 33 | 32 | 32 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 66 | 34 |
| 3 | 66 | 34 |
| 4 | 66 | 34 |
| 5 | 66 | 34 |
| 6 | 66 | 34 |
| 7 | 66 | 34 |
| 8 | 66 | 34 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 65 | 35 |
| 12 | 65 | 35 |
| 13 | 64 | 36 |
| 14 | 63 | 37 |
| 15 | 63 | 37 |
| 16 | 62 | 38 |
| 17 | 61 | 39 |
| 18 | 61 | 39 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 60 | 40 |
| 22 | 61 | 39 |
| 23 | 61 | 39 |
| 24 | 62 | 38 |
| 25 | 62 | 38 |
| 26 | 64 | 36 |
| 27 | 65 | 35 |
| 28 | 65 | 35 |
| 29 | 67 | 33 |
| 30 | 68 | 32 |
| 31 | 68 | 32 |
Chance of precipitation in May
San Martín gets around 13 mm of rain over 2.6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 8% and peaks near 9% on the wettest days.
| 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 (%) | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 |
| Rain chance (%) | |
|---|---|
| 1 | 9 |
| 2 | 9 |
| 3 | 8 |
| 4 | 8 |
| 5 | 8 |
| 6 | 8 |
| 7 | 8 |
| 8 | 8 |
| 9 | 8 |
| 10 | 8 |
| 11 | 8 |
| 12 | 8 |
| 13 | 9 |
| 14 | 9 |
| 15 | 9 |
| 16 | 9 |
| 17 | 9 |
| 18 | 9 |
| 19 | 9 |
| 20 | 9 |
| 21 | 9 |
| 22 | 9 |
| 23 | 9 |
| 24 | 8 |
| 25 | 8 |
| 26 | 8 |
| 27 | 7 |
| 28 | 7 |
| 29 | 7 |
| 30 | 6 |
| 31 | 6 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 98% 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 (%) | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 97 | 97 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 95 | 5 |
| 2 | 95 | 5 |
| 3 | 95 | 5 |
| 4 | 95 | 5 |
| 5 | 95 | 5 |
| 6 | 96 | 4 |
| 7 | 96 | 4 |
| 8 | 96 | 4 |
| 9 | 97 | 3 |
| 10 | 97 | 3 |
| 11 | 98 | 2 |
| 12 | 98 | 2 |
| 13 | 98 | 2 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
| 31 | 100 | 0 |
Wind in May
Winds average 9 km/h in May.
Across May, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in May
Daylight runs from about 10 h 42 min at the start of May to 10 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over May. Sunrise moves from 8:10 AM to 8:31 AM, and sunset from 6:52 PM to 6:31 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) | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.2 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.0 | 10.0 | 10.0 | 10.0 |
| Sunrise (AM) | 8:10 | 8:11 | 8:11 | 8:12 | 8:13 | 8:14 | 8:14 | 8:15 | 8:16 | 8:17 | 8:17 | 8:18 | 8:19 | 8:20 | 8:20 | 8:21 | 8:22 | 8:23 | 8:23 | 8:24 | 8:25 | 8:25 | 8:26 | 8:27 | 8:28 | 8:28 | 8:29 | 8:30 | 8:30 | 8:31 | 8:31 |
| Sunset (PM) | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:46 | 6:46 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:41 | 6:40 | 6:39 | 6:38 | 6:38 | 6:37 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.7 | 8:10 | 6:52 |
| 2 | 10.7 | 8:11 | 6:51 |
| 3 | 10.6 | 8:11 | 6:50 |
| 4 | 10.6 | 8:12 | 6:49 |
| 5 | 10.6 | 8:13 | 6:48 |
| 6 | 10.6 | 8:14 | 6:47 |
| 7 | 10.5 | 8:14 | 6:46 |
| 8 | 10.5 | 8:15 | 6:46 |
| 9 | 10.5 | 8:16 | 6:45 |
| 10 | 10.5 | 8:17 | 6:44 |
| 11 | 10.4 | 8:17 | 6:43 |
| 12 | 10.4 | 8:18 | 6:42 |
| 13 | 10.4 | 8:19 | 6:41 |
| 14 | 10.3 | 8:20 | 6:41 |
| 15 | 10.3 | 8:20 | 6:40 |
| 16 | 10.3 | 8:21 | 6:39 |
| 17 | 10.3 | 8:22 | 6:38 |
| 18 | 10.3 | 8:23 | 6:38 |
| 19 | 10.2 | 8:23 | 6:37 |
| 20 | 10.2 | 8:24 | 6:36 |
| 21 | 10.2 | 8:25 | 6:36 |
| 22 | 10.2 | 8:25 | 6:35 |
| 23 | 10.1 | 8:26 | 6:35 |
| 24 | 10.1 | 8:27 | 6:34 |
| 25 | 10.1 | 8:28 | 6:34 |
| 26 | 10.1 | 8:28 | 6:33 |
| 27 | 10.1 | 8:29 | 6:33 |
| 28 | 10.0 | 8:30 | 6:32 |
| 29 | 10.0 | 8:30 | 6:32 |
| 30 | 10.0 | 8:31 | 6:32 |
| 31 | 10.0 | 8:31 | 6:31 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 3.06 kWh/m².
For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 7.86 kWh/m² in December across the year — May's 3.06 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) | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.5 | Moderate |
| 3 | 3.4 | Moderate |
| 4 | 3.4 | Moderate |
| 5 | 3.4 | Moderate |
| 6 | 3.3 | Moderate |
| 7 | 3.3 | Moderate |
| 8 | 3.3 | Moderate |
| 9 | 3.2 | Moderate |
| 10 | 3.2 | Moderate |
| 11 | 3.1 | Moderate |
| 12 | 3.1 | Moderate |
| 13 | 3.1 | Moderate |
| 14 | 3.1 | Moderate |
| 15 | 3.0 | Moderate |
| 16 | 3.0 | Moderate |
| 17 | 3.0 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.9 | Moderate |
| 25 | 2.9 | Moderate |
| 26 | 2.9 | Moderate |
| 27 | 2.9 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Is May a good time to visit San Martín?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit San Martín for general sightseeing.
What to pack for San Martín in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, San Martín sees daytime highs around 19°C and nights near 8°C. Worth packing: a warm layer.
UV index in San Martín in May
Clear-sky midday UV in May 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 San Martín peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is San Martín?
San Martín sits at 33.1°S, 68.5°W, 656 m above sea level, in Argentina. The nearest listed city is Rivadavia, 12 km away.
Topography around San Martín
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Martín.
Within 3 km, the terrain around San Martín has only modest variations in elevation — a maximum elevation change of 18 m around an average of 658 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,924 m.
The land around San Martín is covered by artificial surfaces (44%) within 3 km, cropland (38%), shrubs (25%) and grassland (25%) within 16 km, and shrubs (69%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 San Martín (-33.0834°, -68.4731°, elevation 656 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).