Lancing weather in April
In April, Lancing sees average daytime highs of 10°C and overnight lows near 8°C, with 48 mm of rain across 9.3 wet days and about 13.5 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 10°C in the first days to 11°C by the end. The sky is clear or mostly clear about 27% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 36 min at the start of April to 14 h 24 min by month's end. Set against the rest of the year, April is Lancing's 3rd-clearest and 8th-windiest month. For the whole year in context, see Lancing's year-round climate.
- Daytime high
- 10°
- 8th warmest
- Overnight low
- 8°
- 5th coldest
- Rainfall
- 48 mm
- 9.3 wet days
- Daylight
- 13 h 30 min
- 5:15 AM – 6:48 PM
- Cloud cover
- 60%
- 3rd clearest
- Wind
- 22 km/h
- 8th windiest
- Solar energy
- 4.51 kWh/m²
- Travel score
- 2.5
- out of 10
Lancing is village and civil parish in West Sussex, England.
- Density
- 1,322/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 10°C in the first days to 11°C by the end.
A typical April day in Lancing reaches about 10°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 12°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than 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) | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg low (°C) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 9 | 7 |
| 2 | 10 | 7 |
| 3 | 10 | 7 |
| 4 | 10 | 7 |
| 5 | 10 | 7 |
| 6 | 10 | 7 |
| 7 | 10 | 7 |
| 8 | 10 | 7 |
| 9 | 10 | 7 |
| 10 | 10 | 7 |
| 11 | 10 | 7 |
| 12 | 10 | 7 |
| 13 | 10 | 8 |
| 14 | 10 | 8 |
| 15 | 10 | 8 |
| 16 | 10 | 8 |
| 17 | 10 | 8 |
| 18 | 11 | 8 |
| 19 | 11 | 8 |
| 20 | 11 | 8 |
| 21 | 11 | 8 |
| 22 | 11 | 8 |
| 23 | 11 | 8 |
| 24 | 11 | 9 |
| 25 | 11 | 9 |
| 26 | 11 | 9 |
| 27 | 11 | 9 |
| 28 | 11 | 9 |
| 29 | 11 | 9 |
| 30 | 11 | 9 |
Lancing weather by month
How April compares with the rest of the year at a glance. April is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 6° | 90 | 14.1 | 0.5 | 8.2 | 1.3 |
| Feb | 8° / 5° | 63 | 11.1 | 0.5 | 9.7 | 1.2 |
| Mar | 9° / 6° | 50 | 9.9 | 0.3 | 11.5 | 1.7 |
| Apr | 10° / 8° | 48 | 9.3 | 0 | 13.5 | 2.5 |
| May | 13° / 10° | 46 | 8.5 | 0 | 15.2 | 3.6 |
| Jun | 15° / 13° | 47 | 8.5 | 0 | 16.2 | 4.8 |
| Jul | 17° / 15° | 49 | 8.8 | 0 | 15.8 | 5.9 |
| Aug | 18° / 16° | 62 | 9.3 | 0 | 14.3 | 6.1 |
| Sep | 17° / 15° | 67 | 10.7 | 0 | 12.4 | 5.4 |
| Oct | 15° / 12° | 108 | 13.9 | 0 | 10.4 | 4.0 |
| Nov | 12° / 9° | 116 | 15.4 | 0 | 8.7 | 2.6 |
| Dec | 9° / 7° | 103 | 14.1 | 0.3 | 7.8 | 1.8 |
Cloud cover in April
The sky is clear or mostly clear about 27% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 53%.
| 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 | 44 | 46 | 46 | 47 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 46 | 45 | 45 | 45 | 44 |
| Cloudier (%) | 56 | 56 | 54 | 54 | 53 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 54 | 55 | 55 | 55 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 46 | 54 |
| 4 | 46 | 54 |
| 5 | 47 | 53 |
| 6 | 46 | 54 |
| 7 | 47 | 53 |
| 8 | 47 | 53 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 49 | 51 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 49 | 51 |
| 15 | 49 | 51 |
| 16 | 49 | 51 |
| 17 | 49 | 51 |
| 18 | 49 | 51 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 47 | 53 |
| 26 | 46 | 54 |
| 27 | 45 | 55 |
| 28 | 45 | 55 |
| 29 | 45 | 55 |
| 30 | 44 | 56 |
Chance of precipitation in April
Lancing gets around 48 mm of rain over 9.3 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 30% and peaks near 32% 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 (%) | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 31 |
| 3 | 31 |
| 4 | 31 |
| 5 | 31 |
| 6 | 30 |
| 7 | 30 |
| 8 | 30 |
| 9 | 29 |
| 10 | 29 |
| 11 | 28 |
| 12 | 28 |
| 13 | 27 |
| 14 | 27 |
| 15 | 27 |
| 16 | 27 |
| 17 | 27 |
| 18 | 28 |
| 19 | 29 |
| 20 | 29 |
| 21 | 30 |
| 22 | 31 |
| 23 | 31 |
| 24 | 32 |
| 25 | 32 |
| 26 | 32 |
| 27 | 32 |
| 28 | 32 |
| 29 | 31 |
| 30 | 31 |
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 22 km/h in April.
Across April, daily wind ranges from about 22 km/h on the calmest days to 24 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) | 24 | 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 | 22 |
| 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 | 24 | breezy |
| 2 | 23 | breezy |
| 3 | 23 | breezy |
| 4 | 23 | breezy |
| 5 | 23 | breezy |
| 6 | 23 | breezy |
| 7 | 23 | breezy |
| 8 | 22 | breezy |
| 9 | 22 | breezy |
| 10 | 22 | breezy |
| 11 | 22 | breezy |
| 12 | 22 | breezy |
| 13 | 22 | breezy |
| 14 | 22 | breezy |
| 15 | 22 | breezy |
| 16 | 22 | breezy |
| 17 | 22 | breezy |
| 18 | 22 | breezy |
| 19 | 22 | breezy |
| 20 | 22 | breezy |
| 21 | 22 | breezy |
| 22 | 22 | breezy |
| 23 | 22 | breezy |
| 24 | 22 | breezy |
| 25 | 22 | breezy |
| 26 | 22 | breezy |
| 27 | 22 | breezy |
| 28 | 22 | breezy |
| 29 | 22 | breezy |
| 30 | 22 | breezy |
Sunrise & sunset in April
Daylight runs from about 12 h 36 min at the start of April to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 108 minutes over April. Sunrise moves from 5:49 AM to 4:46 AM, and sunset from 6:23 PM to 7:11 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) | 12.6 | 12.6 | 12.7 | 12.8 | 12.8 | 12.9 | 13.0 | 13.0 | 13.1 | 13.2 | 13.2 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.7 | 13.7 | 13.8 | 13.9 | 13.9 | 14.0 | 14.0 | 14.1 | 14.2 | 14.2 | 14.3 | 14.4 | 14.4 |
| Sunrise (AM) | 5:49 | 5:46 | 5:44 | 5:42 | 5:40 | 5:37 | 5:35 | 5:33 | 5:30 | 5:28 | 5:26 | 5:24 | 5:22 | 5:19 | 5:17 | 5:15 | 5:13 | 5:11 | 5:09 | 5:06 | 5:04 | 5:02 | 5:00 | 4:58 | 4:56 | 4:54 | 4:52 | 4:50 | 4:48 | 4:46 |
| Sunset (PM) | 6:23 | 6:25 | 6:27 | 6:28 | 6:30 | 6:32 | 6:33 | 6:35 | 6:36 | 6:38 | 6:40 | 6:41 | 6:43 | 6:45 | 6:46 | 6:48 | 6:50 | 6:51 | 6:53 | 6:55 | 6:56 | 6:58 | 6:59 | 7:01 | 7:03 | 7:04 | 7:06 | 7:08 | 7:09 | 7:11 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:49 | 6:23 |
| 2 | 12.6 | 5:46 | 6:25 |
| 3 | 12.7 | 5:44 | 6:27 |
| 4 | 12.8 | 5:42 | 6:28 |
| 5 | 12.8 | 5:40 | 6:30 |
| 6 | 12.9 | 5:37 | 6:32 |
| 7 | 13.0 | 5:35 | 6:33 |
| 8 | 13.0 | 5:33 | 6:35 |
| 9 | 13.1 | 5:30 | 6:36 |
| 10 | 13.2 | 5:28 | 6:38 |
| 11 | 13.2 | 5:26 | 6:40 |
| 12 | 13.3 | 5:24 | 6:41 |
| 13 | 13.4 | 5:22 | 6:43 |
| 14 | 13.4 | 5:19 | 6:45 |
| 15 | 13.5 | 5:17 | 6:46 |
| 16 | 13.5 | 5:15 | 6:48 |
| 17 | 13.6 | 5:13 | 6:50 |
| 18 | 13.7 | 5:11 | 6:51 |
| 19 | 13.7 | 5:09 | 6:53 |
| 20 | 13.8 | 5:06 | 6:55 |
| 21 | 13.9 | 5:04 | 6:56 |
| 22 | 13.9 | 5:02 | 6:58 |
| 23 | 14.0 | 5:00 | 6:59 |
| 24 | 14.0 | 4:58 | 7:01 |
| 25 | 14.1 | 4:56 | 7:03 |
| 26 | 14.2 | 4:54 | 7:04 |
| 27 | 14.2 | 4:52 | 7:06 |
| 28 | 14.3 | 4:50 | 7:08 |
| 29 | 14.4 | 4:48 | 7:09 |
| 30 | 14.4 | 4:46 | 7:11 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.51 kWh/m².
For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.77 kWh/m² in June across the year — April's 4.51 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) | 3.7 | 3.8 | 3.9 | 3.9 | 4.0 | 4.0 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | 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 | 3.7 | Moderate |
| 2 | 3.8 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 3.9 | Moderate |
| 5 | 4.0 | Moderate |
| 6 | 4.0 | Bright |
| 7 | 4.1 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.7 | Bright |
| 19 | 4.7 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.9 | Bright |
| 25 | 4.9 | Bright |
| 26 | 4.9 | Bright |
| 27 | 4.9 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 5.0 | Bright |
Is April a good time to visit Lancing?
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 Lancing.
What to pack for Lancing in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Lancing sees daytime highs around 10°C and nights near 8°C. Pack a warm layer. Worth having: rain gear, sun protection and a windbreaker. About 9 days see rain.
Sea temperature near Lancing in April
The nearest coast averages about 9°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in August at about 17°C and coldest in March near 8°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 8 | 8 | 9 | 11 | 14 | 16 | 17 | 17 | 16 | 14 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 9 | Bracing |
| May | 11 | Bracing |
| Jun | 14 | Bracing |
| Jul | 16 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 16 | Cool |
| Nov | 14 | Bracing |
| Dec | 11 | Bracing |
UV index in Lancing in April
Clear-sky midday UV in April 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 Lancing peaks around August 10 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Lancing?
Lancing sits at 50.8°N, 0.3°W, 7 m above sea level, in United Kingdom. The nearest listed city is Shoreham-by-Sea, 3.0 km away.
Topography around Lancing
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lancing.
Within 3 km, the terrain around Lancing has only modest variations in elevation — a maximum elevation change of 144 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 243 m; within 80 km, significant variations in elevation — a maximum elevation change of 301 m.
The land around Lancing is covered by water (31%), grassland (25%) and artificial surfaces (24%) within 3 km, water (44%) and grassland (27%) within 16 km, and water (34%), grassland (24%) and trees (23%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Lancing (50.8288°, -0.3225°, elevation 7 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).