Huamachuco weather in April
In April, Huamachuco sees average daytime highs of 17°C and overnight lows near 7°C, with 128 mm of rain across 23.6 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 2% of the time in April, and the air most often feels dry.
Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Huamachuco's 8th-clearest and 7th-windiest month. For the whole year in context, see Huamachuco's year-round climate.
- Daytime high
- 17°
- 10th warmest
- Overnight low
- 7°
- 9th coldest
- Rainfall
- 128 mm
- 23.6 wet days
- Daylight
- 11 h 48 min
- 6:18 AM – 6:07 PM
- Cloud cover
- 79%
- 8th clearest
- Wind
- 5 km/h
- 7th windiest
- Solar energy
- 5.17 kWh/m²
- Travel score
- 3.6
- out of 10
Huamachuco is capital city of Sánchez Carrión, La Libertad, Peru.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Day-to-day highs hold fairly steady near 17°C through the month.
A typical April day in Huamachuco reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 19°C. Set against its neighbours, April runs on par with March and on par with May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg low (°C) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 7 |
| 2 | 17 | 7 |
| 3 | 17 | 7 |
| 4 | 17 | 7 |
| 5 | 17 | 7 |
| 6 | 17 | 7 |
| 7 | 17 | 7 |
| 8 | 17 | 7 |
| 9 | 17 | 7 |
| 10 | 17 | 7 |
| 11 | 17 | 7 |
| 12 | 17 | 7 |
| 13 | 17 | 7 |
| 14 | 17 | 7 |
| 15 | 17 | 7 |
| 16 | 17 | 7 |
| 17 | 17 | 7 |
| 18 | 17 | 7 |
| 19 | 17 | 7 |
| 20 | 17 | 7 |
| 21 | 17 | 7 |
| 22 | 17 | 7 |
| 23 | 17 | 7 |
| 24 | 17 | 7 |
| 25 | 17 | 7 |
| 26 | 17 | 7 |
| 27 | 17 | 7 |
| 28 | 17 | 7 |
| 29 | 17 | 7 |
| 30 | 17 | 7 |
Huamachuco weather by month
How April compares with the rest of the year at a glance. April is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 7° | 162 | 24.2 | 12.4 | 3.6 |
| Feb | 17° / 7° | 189 | 24.4 | 12.3 | 3.2 |
| Mar | 17° / 7° | 221 | 28.3 | 12.1 | 3.0 |
| Apr | 17° / 7° | 128 | 23.6 | 11.8 | 3.6 |
| May | 17° / 6° | 53 | 13.2 | 11.6 | 5.2 |
| Jun | 18° / 5° | 13 | 3.6 | 11.6 | 6.6 |
| Jul | 18° / 5° | 9 | 2.1 | 11.6 | 7.0 |
| Aug | 18° / 5° | 11 | 3.4 | 11.7 | 7.1 |
| Sep | 18° / 6° | 52 | 13 | 12 | 5.5 |
| Oct | 18° / 7° | 122 | 22.1 | 12.2 | 4.1 |
| Nov | 18° / 7° | 124 | 20.2 | 12.4 | 4.2 |
| Dec | 18° / 7° | 152 | 22.7 | 12.4 | 3.9 |
Cloud cover in April
The sky is clear or mostly clear about 2% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 84%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 13 | 15 | 16 | 18 | 19 | 19 | 20 | 21 | 23 | 24 | 24 | 26 | 26 | 27 | 28 | 30 | 31 |
| Cloudier (%) | 95 | 95 | 94 | 94 | 93 | 93 | 92 | 92 | 91 | 90 | 89 | 88 | 87 | 87 | 85 | 84 | 82 | 81 | 81 | 80 | 79 | 77 | 76 | 76 | 74 | 74 | 73 | 72 | 70 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 6 | 94 |
| 4 | 6 | 94 |
| 5 | 7 | 93 |
| 6 | 7 | 93 |
| 7 | 8 | 92 |
| 8 | 8 | 92 |
| 9 | 9 | 91 |
| 10 | 10 | 90 |
| 11 | 11 | 89 |
| 12 | 12 | 88 |
| 13 | 13 | 87 |
| 14 | 13 | 87 |
| 15 | 15 | 85 |
| 16 | 16 | 84 |
| 17 | 18 | 82 |
| 18 | 19 | 81 |
| 19 | 19 | 81 |
| 20 | 20 | 80 |
| 21 | 21 | 79 |
| 22 | 23 | 77 |
| 23 | 24 | 76 |
| 24 | 24 | 76 |
| 25 | 26 | 74 |
| 26 | 26 | 74 |
| 27 | 27 | 73 |
| 28 | 28 | 72 |
| 29 | 30 | 70 |
| 30 | 31 | 69 |
Chance of precipitation in April
Huamachuco gets around 128 mm of rain over 23.6 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 78% and peaks near 90% on the wettest days. The odds ease toward the end of the month.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 90 | 89 | 89 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 84 | 83 | 81 | 80 | 79 | 78 | 77 | 76 | 75 | 74 | 72 | 71 | 70 | 69 | 68 | 66 | 65 | 63 | 62 | 61 |
| Rain chance (%) | |
|---|---|
| 1 | 90 |
| 2 | 89 |
| 3 | 89 |
| 4 | 89 |
| 5 | 88 |
| 6 | 88 |
| 7 | 87 |
| 8 | 86 |
| 9 | 86 |
| 10 | 85 |
| 11 | 84 |
| 12 | 83 |
| 13 | 81 |
| 14 | 80 |
| 15 | 79 |
| 16 | 78 |
| 17 | 77 |
| 18 | 76 |
| 19 | 75 |
| 20 | 74 |
| 21 | 72 |
| 22 | 71 |
| 23 | 70 |
| 24 | 69 |
| 25 | 68 |
| 26 | 66 |
| 27 | 65 |
| 28 | 63 |
| 29 | 62 |
| 30 | 61 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
Wind in April
Winds average 5 km/h in April.
Across April, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 |
| 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 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in April
Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over April. Sunrise moves from 6:19 AM to 6:18 AM, and sunset from 6:15 PM to 6:02 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 6:19 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 |
| Sunset (PM) | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:19 | 6:15 |
| 2 | 11.9 | 6:19 | 6:14 |
| 3 | 11.9 | 6:19 | 6:14 |
| 4 | 11.9 | 6:19 | 6:13 |
| 5 | 11.9 | 6:18 | 6:13 |
| 6 | 11.9 | 6:18 | 6:12 |
| 7 | 11.9 | 6:18 | 6:12 |
| 8 | 11.9 | 6:18 | 6:11 |
| 9 | 11.9 | 6:18 | 6:11 |
| 10 | 11.9 | 6:18 | 6:10 |
| 11 | 11.9 | 6:18 | 6:10 |
| 12 | 11.9 | 6:18 | 6:09 |
| 13 | 11.8 | 6:18 | 6:09 |
| 14 | 11.8 | 6:18 | 6:08 |
| 15 | 11.8 | 6:18 | 6:08 |
| 16 | 11.8 | 6:18 | 6:07 |
| 17 | 11.8 | 6:18 | 6:07 |
| 18 | 11.8 | 6:18 | 6:06 |
| 19 | 11.8 | 6:18 | 6:06 |
| 20 | 11.8 | 6:17 | 6:06 |
| 21 | 11.8 | 6:17 | 6:05 |
| 22 | 11.8 | 6:17 | 6:05 |
| 23 | 11.8 | 6:17 | 6:04 |
| 24 | 11.8 | 6:17 | 6:04 |
| 25 | 11.8 | 6:17 | 6:03 |
| 26 | 11.8 | 6:17 | 6:03 |
| 27 | 11.8 | 6:17 | 6:03 |
| 28 | 11.7 | 6:17 | 6:02 |
| 29 | 11.7 | 6:18 | 6:02 |
| 30 | 11.7 | 6:18 | 6:02 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.17 kWh/m².
For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 5.97 kWh/m² in November across the year — April's 5.17 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
Hazard calendar for Huamachuco
In April, Huamachuco sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Huamachuco's rainy season runs October–April, when most of the year's rain falls.
Is April a good time to visit Huamachuco?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a weaker month for outdoor sightseeing in Huamachuco.
What to pack for Huamachuco in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Huamachuco sees daytime highs around 17°C and nights near 7°C. Pack rain gear. Worth having: a warm layer and sun protection. About 24 days see rain.
UV index in Huamachuco in April
Clear-sky midday UV in April peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Huamachuco peaks around February 15 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 18 | 19 | 18 | 15 | 14 | 11 | 12 | 13 | 14 | 16 | 15 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 18 | Extreme |
| Feb | 19 | Extreme |
| Mar | 18 | Extreme |
| Apr | 15 | Extreme |
| May | 14 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 16 | Extreme |
| Nov | 15 | Extreme |
| Dec | 15 | Extreme |
Air quality in Huamachuco in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Huamachuco is worst in September — around 17 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 9 | 8 | 6 | 5 | 6 | 10 | 17 | 10 | 15 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 8 | Good |
| May | 6 | Good |
| Jun | 5 | Good |
| Jul | 6 | Good |
| Aug | 10 | Good |
| Sep | 17 | Moderate |
| Oct | 10 | Good |
| Nov | 15 | Moderate |
| Dec | 8 | Good |
Where is Huamachuco?
Huamachuco sits at 7.8°S, 78.1°W, 3,341 m above sea level, in Peru. The nearest listed city is Cajamarca, 85 km away.
Topography around Huamachuco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Huamachuco.
Within 3 km, the terrain around Huamachuco has large variations in elevation — a maximum elevation change of 840 m around an average of 3,123 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,474 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,414 m.
The land around Huamachuco is covered by grassland (59%) and trees (20%) within 3 km, grassland (70%) within 16 km, and grassland (75%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 Huamachuco (-7.8°, -78.0667°, elevation 3,341 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).