Louviers weather in December
In December, Louviers sees average daytime highs of 8°C and overnight lows near 3°C, with 72 mm of precipitation across 12.6 wet days and about 8.1 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.
Daylight stretches from about 8 h 18 min at the start of December to 8 hours by month's end. Set against the rest of the year, December is Louviers's 10th-clearest and 2nd-windiest month. For the whole year in context, see Louviers's year-round climate.
- Daytime high
- 8°
- 11th warmest
- Overnight low
- 3°
- 3rd coldest
- Precipitation
- 72 mm
- 12.6 wet days
- Daylight
- 8 hours
- 8:51 AM – 4:52 PM
- Cloud cover
- 76%
- 10th clearest
- Wind
- 15 km/h
- 2nd windiest
- Solar energy
- 0.76 kWh/m²
- Travel score
- 1.0
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 8°C through the month.
A typical December day in Louviers reaches about 8°C in the afternoon and slips back to 3°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 12°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.
| 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg low (°C) | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 8 | 4 |
| 2 | 8 | 4 |
| 3 | 8 | 3 |
| 4 | 8 | 3 |
| 5 | 8 | 3 |
| 6 | 8 | 3 |
| 7 | 8 | 3 |
| 8 | 8 | 3 |
| 9 | 8 | 3 |
| 10 | 8 | 3 |
| 11 | 8 | 3 |
| 12 | 8 | 3 |
| 13 | 8 | 3 |
| 14 | 7 | 3 |
| 15 | 7 | 3 |
| 16 | 7 | 3 |
| 17 | 7 | 3 |
| 18 | 7 | 3 |
| 19 | 7 | 3 |
| 20 | 7 | 3 |
| 21 | 7 | 3 |
| 22 | 7 | 3 |
| 23 | 7 | 3 |
| 24 | 7 | 3 |
| 25 | 7 | 3 |
| 26 | 7 | 3 |
| 27 | 7 | 3 |
| 28 | 7 | 2 |
| 29 | 7 | 2 |
| 30 | 7 | 2 |
| 31 | 7 | 2 |
How December really feels in Louviers
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 30 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is cold — wind chill drags the overnight "feels like" below the raw low.
Louviers weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 56 | 11.1 | 0.9 | 8.5 | 0.8 |
| Feb | 8° / 2° | 48 | 10.2 | 1.1 | 9.8 | 1.2 |
| Mar | 11° / 4° | 52 | 10.5 | 0.4 | 11.6 | 2.7 |
| Apr | 14° / 6° | 54 | 10.6 | 0.1 | 13.4 | 4.1 |
| May | 18° / 9° | 60 | 11.3 | 0 | 15.1 | 5.3 |
| Jun | 21° / 12° | 56 | 10 | 0 | 15.9 | 6.2 |
| Jul | 23° / 14° | 50 | 9.3 | 0 | 15.6 | 6.9 |
| Aug | 23° / 14° | 55 | 9.2 | 0 | 14.2 | 6.9 |
| Sep | 20° / 11° | 44 | 8.7 | 0 | 12.4 | 6.3 |
| Oct | 15° / 9° | 63 | 10.9 | 0 | 10.5 | 4.5 |
| Nov | 10° / 5° | 61 | 11.9 | 0.2 | 8.9 | 2.2 |
| Dec | 8° / 3° | 72 | 12.6 | 0.9 | 8.1 | 1.0 |
Cloud cover in December
The sky is clear or mostly clear about 12% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 76%.
| 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 (%) | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 23 | 24 | 24 | 24 | 24 | 23 | 22 | 23 | 23 | 23 | 24 | 24 |
| Cloudier (%) | 79 | 78 | 78 | 77 | 76 | 76 | 76 | 74 | 74 | 74 | 74 | 73 | 74 | 74 | 74 | 74 | 75 | 75 | 76 | 77 | 76 | 76 | 76 | 76 | 77 | 78 | 77 | 77 | 77 | 76 | 76 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 21 | 79 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 23 | 77 |
| 5 | 24 | 76 |
| 6 | 24 | 76 |
| 7 | 24 | 76 |
| 8 | 26 | 74 |
| 9 | 26 | 74 |
| 10 | 26 | 74 |
| 11 | 26 | 74 |
| 12 | 27 | 73 |
| 13 | 26 | 74 |
| 14 | 26 | 74 |
| 15 | 26 | 74 |
| 16 | 26 | 74 |
| 17 | 25 | 75 |
| 18 | 25 | 75 |
| 19 | 24 | 76 |
| 20 | 23 | 77 |
| 21 | 24 | 76 |
| 22 | 24 | 76 |
| 23 | 24 | 76 |
| 24 | 24 | 76 |
| 25 | 23 | 77 |
| 26 | 22 | 78 |
| 27 | 23 | 77 |
| 28 | 23 | 77 |
| 29 | 23 | 77 |
| 30 | 24 | 76 |
| 31 | 24 | 76 |
Chance of precipitation in December
Louviers gets around 72 mm of rain and snow over 12.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 40% and peaks near 41% on the wettest days, and about 1 day brings snow.
| 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 (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 39 |
| Snow chance (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 39 | 2 |
| 2 | 39 | 2 |
| 3 | 39 | 2 |
| 4 | 39 | 2 |
| 5 | 39 | 2 |
| 6 | 39 | 2 |
| 7 | 39 | 2 |
| 8 | 39 | 2 |
| 9 | 39 | 2 |
| 10 | 39 | 2 |
| 11 | 39 | 2 |
| 12 | 39 | 2 |
| 13 | 40 | 2 |
| 14 | 40 | 3 |
| 15 | 40 | 3 |
| 16 | 40 | 3 |
| 17 | 41 | 3 |
| 18 | 41 | 3 |
| 19 | 41 | 3 |
| 20 | 41 | 3 |
| 21 | 41 | 4 |
| 22 | 41 | 4 |
| 23 | 41 | 4 |
| 24 | 41 | 4 |
| 25 | 41 | 4 |
| 26 | 41 | 4 |
| 27 | 41 | 3 |
| 28 | 40 | 3 |
| 29 | 40 | 3 |
| 30 | 39 | 3 |
| 31 | 39 | 3 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 |
| 31 | 100 |
Wind in December
Winds average 15 km/h in December.
Across December, daily wind ranges from about 14 km/h on the calmest days to 16 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) | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in December
Daylight runs from about 8 h 18 min at the start of December to 8 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over December. Sunrise moves from 8:36 AM to 8:57 AM, and sunset from 4:54 PM to 5:00 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) | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 |
| Sunrise (AM) | 8:36 | 8:38 | 8:39 | 8:40 | 8:41 | 8:42 | 8:43 | 8:44 | 8:45 | 8:46 | 8:47 | 8:48 | 8:49 | 8:50 | 8:51 | 8:51 | 8:52 | 8:53 | 8:53 | 8:54 | 8:54 | 8:55 | 8:55 | 8:56 | 8:56 | 8:57 | 8:57 | 8:57 | 8:57 | 8:57 | 8:57 |
| Sunset (PM) | 4:54 | 4:53 | 4:53 | 4:53 | 4:52 | 4:52 | 4:52 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:52 | 4:52 | 4:52 | 4:52 | 4:53 | 4:53 | 4:54 | 4:54 | 4:55 | 4:55 | 4:56 | 4:57 | 4:57 | 4:58 | 4:59 | 5:00 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.3 | 8:36 | 4:54 |
| 2 | 8.3 | 8:38 | 4:53 |
| 3 | 8.2 | 8:39 | 4:53 |
| 4 | 8.2 | 8:40 | 4:53 |
| 5 | 8.2 | 8:41 | 4:52 |
| 6 | 8.2 | 8:42 | 4:52 |
| 7 | 8.1 | 8:43 | 4:52 |
| 8 | 8.1 | 8:44 | 4:51 |
| 9 | 8.1 | 8:45 | 4:51 |
| 10 | 8.1 | 8:46 | 4:51 |
| 11 | 8.1 | 8:47 | 4:51 |
| 12 | 8.1 | 8:48 | 4:51 |
| 13 | 8.0 | 8:49 | 4:51 |
| 14 | 8.0 | 8:50 | 4:51 |
| 15 | 8.0 | 8:51 | 4:51 |
| 16 | 8.0 | 8:51 | 4:52 |
| 17 | 8.0 | 8:52 | 4:52 |
| 18 | 8.0 | 8:53 | 4:52 |
| 19 | 8.0 | 8:53 | 4:52 |
| 20 | 8.0 | 8:54 | 4:53 |
| 21 | 8.0 | 8:54 | 4:53 |
| 22 | 8.0 | 8:55 | 4:54 |
| 23 | 8.0 | 8:55 | 4:54 |
| 24 | 8.0 | 8:56 | 4:55 |
| 25 | 8.0 | 8:56 | 4:55 |
| 26 | 8.0 | 8:57 | 4:56 |
| 27 | 8.0 | 8:57 | 4:57 |
| 28 | 8.0 | 8:57 | 4:57 |
| 29 | 8.0 | 8:57 | 4:58 |
| 30 | 8.0 | 8:57 | 4:59 |
| 31 | 8.0 | 8:57 | 5:00 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 0.76 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 5.5 kWh/m² in June across the year — December's 0.76 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) | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 0.8 | Dim |
| 2 | 0.8 | Dim |
| 3 | 0.8 | Dim |
| 4 | 0.8 | Dim |
| 5 | 0.8 | Dim |
| 6 | 0.8 | Dim |
| 7 | 0.8 | Dim |
| 8 | 0.8 | Dim |
| 9 | 0.8 | Dim |
| 10 | 0.8 | Dim |
| 11 | 0.8 | Dim |
| 12 | 0.8 | Dim |
| 13 | 0.8 | Dim |
| 14 | 0.8 | Dim |
| 15 | 0.8 | Dim |
| 16 | 0.8 | Dim |
| 17 | 0.8 | Dim |
| 18 | 0.8 | Dim |
| 19 | 0.7 | Dim |
| 20 | 0.7 | Dim |
| 21 | 0.7 | Dim |
| 22 | 0.7 | Dim |
| 23 | 0.7 | Dim |
| 24 | 0.7 | Dim |
| 25 | 0.7 | Dim |
| 26 | 0.7 | Dim |
| 27 | 0.7 | Dim |
| 28 | 0.8 | Dim |
| 29 | 0.8 | Dim |
| 30 | 0.8 | Dim |
| 31 | 0.8 | Dim |
Is December a good time to visit Louviers?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Louviers.
What to pack for Louviers in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Louviers sees daytime highs around 8°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.
UV index in Louviers in December
Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Louviers peaks around August 11 at about 7 (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 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 6 | 7 | 6 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Louviers?
Louviers sits at 49.2°N, 1.2°E, 23 m above sea level, in France. The nearest listed city is Elbeuf, 14 km away.
Topography around Louviers
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Louviers.
Within 3 km, the terrain around Louviers has only modest variations in elevation — a maximum elevation change of 156 m around an average of 67 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, significant variations in elevation — a maximum elevation change of 345 m.
The land around Louviers is covered by trees (46%) and cropland (24%) within 3 km, trees (40%) and cropland (35%) within 16 km, and cropland (49%) and trees (28%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- 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 Louviers (49.2167°, 1.1667°, elevation 23 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).