Sayyān weather in November
In November, Sayyān sees average daytime highs of 22°C and overnight lows near 9°C, with 4 mm of rain across 1 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 80% of the time in November, and the air most often feels dry.
Daylight stretches from about 11 h 24 min at the start of November to 11 h 12 min by month's end. Set against the rest of the year, November is Sayyān's 2nd-clearest and 5th-windiest month. For the whole year in context, see Sayyān's year-round climate.
- Daytime high
- 22°
- 10th warmest
- Overnight low
- 9°
- 3rd coldest
- Rainfall
- 4 mm
- 1 wet days
- Daylight
- 11 h 18 min
- 6:09 AM – 5:26 PM
- Cloud cover
- 20%
- 2nd clearest
- Wind
- 7 km/h
- 5th windiest
- Solar energy
- 6.03 kWh/m²
- Travel score
- 8.9
- out of 10
Sayyān is town in San‘a’ Governorate, Yemen.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Day-to-day highs hold fairly steady near 22°C through the month.
A typical November day in Sayyān reaches about 22°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, November runs about 1°C cooler than October and on par with December.
| 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) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg low (°C) | 10 | 10 | 10 | 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 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 10 |
| 2 | 23 | 10 |
| 3 | 23 | 10 |
| 4 | 23 | 9 |
| 5 | 23 | 9 |
| 6 | 23 | 9 |
| 7 | 23 | 9 |
| 8 | 23 | 9 |
| 9 | 22 | 9 |
| 10 | 22 | 9 |
| 11 | 22 | 9 |
| 12 | 22 | 9 |
| 13 | 22 | 9 |
| 14 | 22 | 9 |
| 15 | 22 | 9 |
| 16 | 22 | 9 |
| 17 | 22 | 9 |
| 18 | 22 | 9 |
| 19 | 22 | 9 |
| 20 | 22 | 9 |
| 21 | 22 | 9 |
| 22 | 22 | 9 |
| 23 | 22 | 9 |
| 24 | 22 | 9 |
| 25 | 22 | 9 |
| 26 | 22 | 9 |
| 27 | 22 | 9 |
| 28 | 22 | 9 |
| 29 | 22 | 9 |
| 30 | 22 | 9 |
Sayyān weather by month
How November compares with the rest of the year at a glance. November is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 8° | 6 | 1.6 | 11.2 | 8.6 |
| Feb | 23° / 10° | 6 | 1.6 | 11.5 | 8.9 |
| Mar | 24° / 12° | 21 | 5.4 | 11.9 | 8.3 |
| Apr | 25° / 13° | 44 | 8.3 | 12.3 | 7.5 |
| May | 26° / 15° | 41 | 8.1 | 12.7 | 7.1 |
| Jun | 28° / 16° | 17 | 5 | 12.9 | 7.2 |
| Jul | 26° / 16° | 58 | 13.2 | 12.8 | 6.0 |
| Aug | 26° / 15° | 112 | 22.1 | 12.5 | 5.0 |
| Sep | 26° / 14° | 22 | 6.1 | 12.1 | 7.5 |
| Oct | 24° / 11° | 10 | 1.1 | 11.7 | 9.1 |
| Nov | 22° / 9° | 4 | 1 | 11.3 | 8.9 |
| Dec | 22° / 8° | 3 | 0.8 | 11.1 | 8.8 |
Cloud cover in November
The sky is clear or mostly clear about 80% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 10% of November, with mostly cloudy or overcast conditions the remaining 10%.
| 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 (%) | 87 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Cloudier (%) | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 87 | 13 |
| 2 | 88 | 12 |
| 3 | 88 | 12 |
| 4 | 88 | 12 |
| 5 | 88 | 12 |
| 6 | 89 | 11 |
| 7 | 89 | 11 |
| 8 | 89 | 11 |
| 9 | 90 | 10 |
| 10 | 90 | 10 |
| 11 | 90 | 10 |
| 12 | 90 | 10 |
| 13 | 90 | 10 |
| 14 | 91 | 9 |
| 15 | 91 | 9 |
| 16 | 91 | 9 |
| 17 | 91 | 9 |
| 18 | 91 | 9 |
| 19 | 90 | 10 |
| 20 | 90 | 10 |
| 21 | 90 | 10 |
| 22 | 90 | 10 |
| 23 | 90 | 10 |
| 24 | 90 | 10 |
| 25 | 90 | 10 |
| 26 | 90 | 10 |
| 27 | 90 | 10 |
| 28 | 90 | 10 |
| 29 | 90 | 10 |
| 30 | 90 | 10 |
Chance of precipitation in November
Sayyān gets around 4 mm of rain over 1 wet days in November. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 3% and peaks near 4% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| Rain chance (%) | |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 4 |
| 19 | 4 |
| 20 | 4 |
| 21 | 4 |
| 22 | 4 |
| 23 | 4 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 3 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November 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 November
Winds average 7 km/h in November.
Across November, daily wind ranges from about 6 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | 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 |
Sunrise & sunset in November
Daylight runs from about 11 h 24 min at the start of November to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over November. Sunrise moves from 6:03 AM to 6:17 AM, and sunset from 5:30 PM to 5:27 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) | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 |
| Sunrise (AM) | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 |
| Sunset (PM) | 5:30 | 5:29 | 5:29 | 5:29 | 5:28 | 5:28 | 5:28 | 5:28 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:03 | 5:30 |
| 2 | 11.4 | 6:03 | 5:29 |
| 3 | 11.4 | 6:04 | 5:29 |
| 4 | 11.4 | 6:04 | 5:29 |
| 5 | 11.4 | 6:04 | 5:28 |
| 6 | 11.4 | 6:05 | 5:28 |
| 7 | 11.4 | 6:05 | 5:28 |
| 8 | 11.4 | 6:06 | 5:28 |
| 9 | 11.4 | 6:06 | 5:27 |
| 10 | 11.3 | 6:07 | 5:27 |
| 11 | 11.3 | 6:07 | 5:27 |
| 12 | 11.3 | 6:08 | 5:27 |
| 13 | 11.3 | 6:08 | 5:27 |
| 14 | 11.3 | 6:09 | 5:27 |
| 15 | 11.3 | 6:09 | 5:27 |
| 16 | 11.3 | 6:09 | 5:26 |
| 17 | 11.3 | 6:10 | 5:26 |
| 18 | 11.3 | 6:11 | 5:26 |
| 19 | 11.3 | 6:11 | 5:26 |
| 20 | 11.2 | 6:12 | 5:26 |
| 21 | 11.2 | 6:12 | 5:26 |
| 22 | 11.2 | 6:13 | 5:26 |
| 23 | 11.2 | 6:13 | 5:26 |
| 24 | 11.2 | 6:14 | 5:26 |
| 25 | 11.2 | 6:14 | 5:27 |
| 26 | 11.2 | 6:15 | 5:27 |
| 27 | 11.2 | 6:15 | 5:27 |
| 28 | 11.2 | 6:16 | 5:27 |
| 29 | 11.2 | 6:16 | 5:27 |
| 30 | 11.2 | 6:17 | 5:27 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 6.03 kWh/m².
For context, solar energy here swings from a low near 5.6 kWh/m² to a high of 6.8 kWh/m² in April across the year — November's 6.03 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) | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.2 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Bright |
| 19 | 6.0 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.7 | Bright |
Hazard calendar for Sayyān
None of Sayyān's seasonal hazards are active in November. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Sayyān sees seasonal dust haze (June–August), heaviest in July.
Is November a good time to visit Sayyān?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is one of the better times to visit Sayyān for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sayyān in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Sayyān sees daytime highs around 22°C and nights near 9°C. Pack sun protection. Worth having: light clothes.
UV index in Sayyān in November
Clear-sky midday UV in November peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sayyān peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).
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) | 11 | 13 | 15 | 16 | 13 | 12 | 11 | 13 | 13 | 12 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 15 | Extreme |
| Apr | 16 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Sayyān in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Sayyān is worst in July — around 48 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (November, 24 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) | 29 | 38 | 37 | 40 | 40 | 43 | 48 | 41 | 35 | 27 | 24 | 24 |
| Level | Moderate | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 38 | Poor |
| Mar | 37 | Poor |
| Apr | 40 | Poor |
| May | 40 | Poor |
| Jun | 43 | Poor |
| Jul | 48 | Poor |
| Aug | 41 | Poor |
| Sep | 35 | Moderate |
| Oct | 27 | Moderate |
| Nov | 24 | Moderate |
| Dec | 24 | Moderate |
Where is Sayyān?
Sayyān sits at 15.2°N, 44.3°E, 2,482 m above sea level, in Yemen. The nearest listed city is Saḩar, 16 km away.
Topography around Sayyān
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sayyān.
Within 3 km, the terrain around Sayyān has significant variations in elevation — a maximum elevation change of 304 m around an average of 2,493 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,408 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,066 m.
The land around Sayyān is covered by bare terrain (43%) and cropland (34%) within 3 km, bare terrain (44%) and cropland (29%) within 16 km, and bare terrain (51%) within 80 km.
Yemen travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type A / D / G
- 240 V · 50 Hz
- Prices
- ≈ 7% of US
- price level, 2013
- GDP per capita
- $634
- 2018
- Happiness
- 3.5 / 10
- World Happiness, 2025
- Homicide rate
- 5.8
- per 100k, 2013
- Road deaths
- 29.4
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 402
- 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 Sayyān (15.1718°, 44.3244°, elevation 2,482 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).