West Island weather in April
In April, West Island sees average daytime highs of 28°C and overnight lows near 26°C, with 196 mm of rain across 20.2 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 32% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of April to 11 h 36 min by month's end. Set against the rest of the year, April is West Island's 10th-clearest and 8th-windiest month. For the whole year in context, see West Island's year-round climate.
- Daytime high
- 28°
- 1st warmest
- Overnight low
- 26°
- 12th coldest
- Rainfall
- 196 mm
- 20.2 wet days
- Daylight
- 11 h 42 min
- 6:11 AM – 5:55 PM
- Cloud cover
- 61%
- 10th clearest
- Wind
- 24 km/h
- 8th windiest
- Solar energy
- 5.23 kWh/m²
- Travel score
- 4.9
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 28°C through the month.
A typical April day in West Island reaches about 28°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 26 |
| 2 | 28 | 26 |
| 3 | 28 | 26 |
| 4 | 28 | 26 |
| 5 | 28 | 26 |
| 6 | 28 | 26 |
| 7 | 28 | 26 |
| 8 | 28 | 26 |
| 9 | 28 | 26 |
| 10 | 28 | 26 |
| 11 | 28 | 26 |
| 12 | 28 | 26 |
| 13 | 28 | 26 |
| 14 | 28 | 26 |
| 15 | 28 | 26 |
| 16 | 28 | 26 |
| 17 | 28 | 26 |
| 18 | 28 | 26 |
| 19 | 28 | 26 |
| 20 | 28 | 26 |
| 21 | 28 | 26 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 28 | 26 |
| 25 | 28 | 26 |
| 26 | 28 | 26 |
| 27 | 28 | 26 |
| 28 | 28 | 26 |
| 29 | 27 | 26 |
| 30 | 27 | 26 |
West Island weather by month
How April compares with the rest of the year at a glance. April is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 26° | 114 | 13.3 | 12.6 | 6.0 |
| Feb | 27° / 26° | 177 | 15.6 | 12.4 | 5.4 |
| Mar | 28° / 26° | 201 | 20.6 | 12.1 | 4.9 |
| Apr | 28° / 26° | 196 | 20.2 | 11.7 | 4.9 |
| May | 27° / 26° | 132 | 18.7 | 11.4 | 5.3 |
| Jun | 27° / 26° | 133 | 17.3 | 11.3 | 5.4 |
| Jul | 26° / 25° | 120 | 17.6 | 11.4 | 5.6 |
| Aug | 26° / 25° | 62 | 14.1 | 11.6 | 6.2 |
| Sep | 26° / 25° | 58 | 8.7 | 11.9 | 6.9 |
| Oct | 26° / 25° | 48 | 7 | 12.3 | 7.2 |
| Nov | 26° / 25° | 94 | 8.2 | 12.6 | 6.9 |
| Dec | 27° / 26° | 112 | 10.5 | 12.7 | 6.5 |
Cloud cover in April
The sky is clear or mostly clear about 32% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 51%.
| 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 (%) | 44 | 45 | 45 | 46 | 46 | 48 | 48 | 48 | 48 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 50 | 50 | 51 | 51 |
| Cloudier (%) | 56 | 55 | 55 | 54 | 54 | 52 | 52 | 52 | 52 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 50 | 50 | 49 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 45 | 55 |
| 3 | 45 | 55 |
| 4 | 46 | 54 |
| 5 | 46 | 54 |
| 6 | 48 | 52 |
| 7 | 48 | 52 |
| 8 | 48 | 52 |
| 9 | 48 | 52 |
| 10 | 50 | 50 |
| 11 | 50 | 50 |
| 12 | 51 | 49 |
| 13 | 51 | 49 |
| 14 | 51 | 49 |
| 15 | 51 | 49 |
| 16 | 51 | 49 |
| 17 | 51 | 49 |
| 18 | 50 | 50 |
| 19 | 50 | 50 |
| 20 | 50 | 50 |
| 21 | 50 | 50 |
| 22 | 50 | 50 |
| 23 | 50 | 50 |
| 24 | 49 | 51 |
| 25 | 49 | 51 |
| 26 | 49 | 51 |
| 27 | 50 | 50 |
| 28 | 50 | 50 |
| 29 | 51 | 49 |
| 30 | 51 | 49 |
Chance of precipitation in April
West Island gets around 196 mm of rain over 20.2 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 67% and peaks near 68% 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 (%) | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 65 | 65 | 65 |
| Rain chance (%) | |
|---|---|
| 1 | 68 |
| 2 | 68 |
| 3 | 68 |
| 4 | 67 |
| 5 | 67 |
| 6 | 67 |
| 7 | 67 |
| 8 | 67 |
| 9 | 67 |
| 10 | 67 |
| 11 | 66 |
| 12 | 66 |
| 13 | 66 |
| 14 | 66 |
| 15 | 66 |
| 16 | 66 |
| 17 | 66 |
| 18 | 66 |
| 19 | 67 |
| 20 | 67 |
| 21 | 67 |
| 22 | 67 |
| 23 | 67 |
| 24 | 66 |
| 25 | 66 |
| 26 | 66 |
| 27 | 66 |
| 28 | 65 |
| 29 | 65 |
| 30 | 65 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Oppressive (%) | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 58 | 57 | 57 | 56 | 55 | 54 | 54 | 53 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 54 | 55 |
| Miserable (%) | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 44 | 43 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 58 | 40 |
| 2 | 2 | 58 | 40 |
| 3 | 2 | 59 | 39 |
| 4 | 2 | 59 | 39 |
| 5 | 2 | 59 | 39 |
| 6 | 2 | 59 | 39 |
| 7 | 2 | 59 | 39 |
| 8 | 2 | 59 | 39 |
| 9 | 2 | 58 | 40 |
| 10 | 2 | 57 | 41 |
| 11 | 2 | 57 | 41 |
| 12 | 2 | 56 | 42 |
| 13 | 2 | 55 | 43 |
| 14 | 2 | 54 | 44 |
| 15 | 2 | 54 | 44 |
| 16 | 2 | 53 | 45 |
| 17 | 1 | 53 | 46 |
| 18 | 1 | 53 | 46 |
| 19 | 1 | 52 | 47 |
| 20 | 1 | 52 | 47 |
| 21 | 1 | 51 | 48 |
| 22 | 1 | 51 | 48 |
| 23 | 1 | 51 | 48 |
| 24 | 1 | 52 | 47 |
| 25 | 1 | 52 | 47 |
| 26 | 1 | 53 | 46 |
| 27 | 2 | 53 | 45 |
| 28 | 2 | 53 | 45 |
| 29 | 2 | 54 | 44 |
| 30 | 2 | 55 | 43 |
Wind in April
Winds average 24 km/h in April.
Across April, daily wind ranges from about 22 km/h on the calmest days to 26 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) | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 22 | breezy |
| 2 | 22 | breezy |
| 3 | 23 | breezy |
| 4 | 23 | breezy |
| 5 | 23 | breezy |
| 6 | 23 | breezy |
| 7 | 23 | breezy |
| 8 | 23 | breezy |
| 9 | 23 | breezy |
| 10 | 23 | breezy |
| 11 | 23 | breezy |
| 12 | 23 | breezy |
| 13 | 24 | breezy |
| 14 | 24 | breezy |
| 15 | 24 | breezy |
| 16 | 24 | breezy |
| 17 | 24 | breezy |
| 18 | 24 | breezy |
| 19 | 25 | breezy |
| 20 | 25 | breezy |
| 21 | 25 | breezy |
| 22 | 25 | breezy |
| 23 | 25 | breezy |
| 24 | 26 | breezy |
| 25 | 26 | breezy |
| 26 | 26 | breezy |
| 27 | 26 | breezy |
| 28 | 26 | breezy |
| 29 | 26 | breezy |
| 30 | 26 | breezy |
Sunrise & sunset in April
Daylight runs from about 11 h 54 min at the start of April to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over April. Sunrise moves from 6:10 AM to 6:13 AM, and sunset from 6:04 PM to 5:48 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 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 |
| Sunrise (AM) | 6:10 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:13 |
| Sunset (PM) | 6:04 | 6:04 | 6:03 | 6:02 | 6:02 | 6:01 | 6:00 | 6:00 | 5:59 | 5:58 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:55 | 5:54 | 5:54 | 5:53 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 | 5:50 | 5:49 | 5:49 | 5:48 | 5:48 | 5:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:10 | 6:04 |
| 2 | 11.9 | 6:10 | 6:04 |
| 3 | 11.9 | 6:10 | 6:03 |
| 4 | 11.9 | 6:10 | 6:02 |
| 5 | 11.9 | 6:11 | 6:02 |
| 6 | 11.8 | 6:11 | 6:01 |
| 7 | 11.8 | 6:11 | 6:00 |
| 8 | 11.8 | 6:11 | 6:00 |
| 9 | 11.8 | 6:11 | 5:59 |
| 10 | 11.8 | 6:11 | 5:58 |
| 11 | 11.8 | 6:11 | 5:58 |
| 12 | 11.8 | 6:11 | 5:57 |
| 13 | 11.8 | 6:11 | 5:57 |
| 14 | 11.8 | 6:11 | 5:56 |
| 15 | 11.7 | 6:11 | 5:55 |
| 16 | 11.7 | 6:11 | 5:55 |
| 17 | 11.7 | 6:11 | 5:54 |
| 18 | 11.7 | 6:11 | 5:54 |
| 19 | 11.7 | 6:11 | 5:53 |
| 20 | 11.7 | 6:11 | 5:53 |
| 21 | 11.7 | 6:11 | 5:52 |
| 22 | 11.7 | 6:12 | 5:51 |
| 23 | 11.7 | 6:12 | 5:51 |
| 24 | 11.6 | 6:12 | 5:50 |
| 25 | 11.6 | 6:12 | 5:50 |
| 26 | 11.6 | 6:12 | 5:49 |
| 27 | 11.6 | 6:12 | 5:49 |
| 28 | 11.6 | 6:12 | 5:48 |
| 29 | 11.6 | 6:12 | 5:48 |
| 30 | 11.6 | 6:13 | 5:48 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.23 kWh/m².
For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 6.46 kWh/m² in January across the year — April's 5.23 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) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 |
| 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 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.9 | Bright |
Is April a good time to visit West Island?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit West Island for sightseeing.
What to pack for West Island in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, West Island sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 20 days see rain.
Sea temperature near West Island in April
The nearest coast averages about 29°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March at about 29°C and coldest in September near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 28 | Warm |
| Jul | 27 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in West Island in April
Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in West Island peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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) | 15 | 15 | 15 | 12 | 10 | 9 | 10 | 11 | 13 | 14 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is West Island?
West Island sits at 12.2°S, 96.8°E, 12 m above sea level, in Cocos Islands. The nearest listed city is Flying Fish Cove, 985 km away.
Topography around West Island
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of West Island.
Within 3 km, the terrain around West Island has only modest variations in elevation — a maximum elevation change of 18 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 18 m; within 80 km, only modest variations in elevation — a maximum elevation change of 15 m.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for West Island (-12.1568°, 96.8225°, elevation 12 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).