Guérande weather in December
In December, Guérande sees average daytime highs of 10°C and overnight lows near 7°C, with 85 mm of precipitation across 13 wet days and about 8.3 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels dry.
Daylight stretches from about 8 h 30 min at the start of December to 8 h 18 min by month's end. Set against the rest of the year, December is Guérande's 11th-clearest and 1st-windiest month. For the whole year in context, see Guérande's year-round climate.
- Daytime high
- 10°
- 10th warmest
- Overnight low
- 7°
- 3rd coldest
- Precipitation
- 85 mm
- 13 wet days
- Daylight
- 8 h 18 min
- 8:57 AM – 5:14 PM
- Cloud cover
- 71%
- 11th clearest
- Wind
- 23 km/h
- 1st windiest
- Solar energy
- 1 kWh/m²
- Travel score
- 2.1
- out of 10
Guérande is human settlement in France.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 10°C through the month.
A typical December day in Guérande reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 13°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg low (°C) | 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 | 7 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 11 | 8 |
| 2 | 11 | 8 |
| 3 | 11 | 8 |
| 4 | 11 | 8 |
| 5 | 11 | 8 |
| 6 | 11 | 8 |
| 7 | 11 | 8 |
| 8 | 11 | 8 |
| 9 | 10 | 8 |
| 10 | 10 | 8 |
| 11 | 10 | 7 |
| 12 | 10 | 7 |
| 13 | 10 | 7 |
| 14 | 10 | 7 |
| 15 | 10 | 7 |
| 16 | 10 | 7 |
| 17 | 10 | 7 |
| 18 | 10 | 7 |
| 19 | 10 | 7 |
| 20 | 10 | 7 |
| 21 | 10 | 7 |
| 22 | 10 | 7 |
| 23 | 10 | 7 |
| 24 | 10 | 7 |
| 25 | 10 | 7 |
| 26 | 10 | 7 |
| 27 | 10 | 7 |
| 28 | 10 | 7 |
| 29 | 10 | 7 |
| 30 | 10 | 7 |
| 31 | 10 | 7 |
Guérande weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 9° / 6° | 75 | 12.1 | 8.7 | 1.8 |
| Feb | 9° / 6° | 56 | 9.8 | 9.9 | 1.9 |
| Mar | 11° / 8° | 50 | 10 | 11.6 | 2.7 |
| Apr | 13° / 9° | 50 | 10 | 13.3 | 3.7 |
| May | 16° / 12° | 49 | 9.1 | 14.8 | 5.1 |
| Jun | 19° / 15° | 38 | 7.8 | 15.7 | 6.3 |
| Jul | 20° / 17° | 39 | 7.2 | 15.3 | 6.9 |
| Aug | 21° / 17° | 43 | 7.6 | 14.1 | 6.9 |
| Sep | 19° / 15° | 51 | 7.8 | 12.4 | 6.4 |
| Oct | 16° / 13° | 80 | 11.9 | 10.6 | 4.7 |
| Nov | 13° / 10° | 82 | 12.8 | 9.1 | 3.1 |
| Dec | 10° / 7° | 85 | 13 | 8.3 | 2.1 |
Cloud cover in December
The sky is clear or mostly clear about 16% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 69%.
| 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 (%) | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
| Cloudier (%) | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 68 | 69 | 69 | 69 | 70 | 70 | 71 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 34 | 66 |
| 3 | 35 | 65 |
| 4 | 35 | 65 |
| 5 | 36 | 64 |
| 6 | 36 | 64 |
| 7 | 36 | 64 |
| 8 | 35 | 65 |
| 9 | 35 | 65 |
| 10 | 35 | 65 |
| 11 | 35 | 65 |
| 12 | 34 | 66 |
| 13 | 34 | 66 |
| 14 | 34 | 66 |
| 15 | 32 | 68 |
| 16 | 31 | 69 |
| 17 | 31 | 69 |
| 18 | 31 | 69 |
| 19 | 30 | 70 |
| 20 | 30 | 70 |
| 21 | 29 | 71 |
| 22 | 27 | 73 |
| 23 | 27 | 73 |
| 24 | 27 | 73 |
| 25 | 27 | 73 |
| 26 | 28 | 72 |
| 27 | 28 | 72 |
| 28 | 28 | 72 |
| 29 | 28 | 72 |
| 30 | 28 | 72 |
| 31 | 28 | 72 |
Chance of precipitation in December
Guérande gets around 85 mm of rain and snow over 13 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 41% and peaks near 44% on the wettest days, and about 0 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 (%) | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| Rain chance (%) | |
|---|---|
| 1 | 41 |
| 2 | 41 |
| 3 | 41 |
| 4 | 40 |
| 5 | 40 |
| 6 | 40 |
| 7 | 40 |
| 8 | 39 |
| 9 | 39 |
| 10 | 39 |
| 11 | 39 |
| 12 | 39 |
| 13 | 40 |
| 14 | 40 |
| 15 | 40 |
| 16 | 40 |
| 17 | 41 |
| 18 | 41 |
| 19 | 42 |
| 20 | 42 |
| 21 | 43 |
| 22 | 43 |
| 23 | 44 |
| 24 | 44 |
| 25 | 44 |
| 26 | 44 |
| 27 | 44 |
| 28 | 44 |
| 29 | 44 |
| 30 | 44 |
| 31 | 44 |
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 23 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 22 km/h on the calmest days to 23 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) | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| 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 | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 22 | breezy |
| 2 | 23 | 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 | 23 | breezy |
| 14 | 23 | breezy |
| 15 | 23 | breezy |
| 16 | 23 | breezy |
| 17 | 23 | breezy |
| 18 | 23 | breezy |
| 19 | 23 | breezy |
| 20 | 23 | breezy |
| 21 | 23 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 23 | breezy |
| 31 | 23 | breezy |
Sunrise & sunset in December
Daylight runs from about 8 h 30 min at the start of December to 8 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 8:43 AM to 9:03 AM, and sunset from 5:16 PM to 5:22 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) | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 |
| Sunrise (AM) | 8:43 | 8:44 | 8:45 | 8:46 | 8:48 | 8:49 | 8:50 | 8:51 | 8:52 | 8:52 | 8:53 | 8:54 | 8:55 | 8:56 | 8:57 | 8:57 | 8:58 | 8:59 | 8:59 | 9:00 | 9:00 | 9:01 | 9:01 | 9:02 | 9:02 | 9:02 | 9:03 | 9:03 | 9:03 | 9:03 | 9:03 |
| Sunset (PM) | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:16 | 5:17 | 5:17 | 5:18 | 5:19 | 5:19 | 5:20 | 5:21 | 5:21 | 5:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.5 | 8:43 | 5:16 |
| 2 | 8.5 | 8:44 | 5:16 |
| 3 | 8.5 | 8:45 | 5:15 |
| 4 | 8.5 | 8:46 | 5:15 |
| 5 | 8.5 | 8:48 | 5:15 |
| 6 | 8.4 | 8:49 | 5:14 |
| 7 | 8.4 | 8:50 | 5:14 |
| 8 | 8.4 | 8:51 | 5:14 |
| 9 | 8.4 | 8:52 | 5:14 |
| 10 | 8.4 | 8:52 | 5:14 |
| 11 | 8.3 | 8:53 | 5:14 |
| 12 | 8.3 | 8:54 | 5:14 |
| 13 | 8.3 | 8:55 | 5:14 |
| 14 | 8.3 | 8:56 | 5:14 |
| 15 | 8.3 | 8:57 | 5:14 |
| 16 | 8.3 | 8:57 | 5:14 |
| 17 | 8.3 | 8:58 | 5:15 |
| 18 | 8.3 | 8:59 | 5:15 |
| 19 | 8.3 | 8:59 | 5:15 |
| 20 | 8.3 | 9:00 | 5:16 |
| 21 | 8.3 | 9:00 | 5:16 |
| 22 | 8.3 | 9:01 | 5:16 |
| 23 | 8.3 | 9:01 | 5:17 |
| 24 | 8.3 | 9:02 | 5:17 |
| 25 | 8.3 | 9:02 | 5:18 |
| 26 | 8.3 | 9:02 | 5:19 |
| 27 | 8.3 | 9:03 | 5:19 |
| 28 | 8.3 | 9:03 | 5:20 |
| 29 | 8.3 | 9:03 | 5:21 |
| 30 | 8.3 | 9:03 | 5:21 |
| 31 | 8.3 | 9:03 | 5:22 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 1 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 1 kWh/m² to a high of 6.34 kWh/m² in June across the year — December's 1 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) | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 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 | 1.1 | Dim |
| 2 | 1.1 | Dim |
| 3 | 1.1 | Dim |
| 4 | 1.1 | Dim |
| 5 | 1.1 | Dim |
| 6 | 1.1 | Dim |
| 7 | 1.1 | Dim |
| 8 | 1.1 | Dim |
| 9 | 1.1 | Dim |
| 10 | 1.0 | Dim |
| 11 | 1.0 | Dim |
| 12 | 1.0 | Dim |
| 13 | 1.0 | Dim |
| 14 | 1.0 | Dim |
| 15 | 1.0 | Dim |
| 16 | 1.0 | Dim |
| 17 | 1.0 | Dim |
| 18 | 1.0 | Dim |
| 19 | 1.0 | Dim |
| 20 | 1.0 | Dim |
| 21 | 1.0 | Dim |
| 22 | 1.0 | Dim |
| 23 | 1.0 | Dim |
| 24 | 1.0 | Dim |
| 25 | 1.0 | Dim |
| 26 | 1.0 | Dim |
| 27 | 1.0 | Dim |
| 28 | 1.0 | Dim |
| 29 | 1.0 | Dim |
| 30 | 1.0 | Dim |
| 31 | 1.0 | Dim |
Is December a good time to visit Guérande?
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 Guérande.
What to pack for Guérande in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Guérande sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 13 days see rain.
Sea temperature near Guérande in December
The nearest coast averages about 11°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in August at about 18°C and coldest in February near 9°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 | 9 | 10 | 12 | 14 | 16 | 18 | 18 | 17 | 16 | 14 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 9 | Bracing |
| Mar | 10 | Bracing |
| Apr | 12 | Bracing |
| May | 14 | Bracing |
| Jun | 16 | Cool |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 16 | Cool |
| Nov | 14 | Bracing |
| Dec | 11 | Bracing |
UV index in Guérande 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 Guérande peaks around August 10 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 | 7 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Guérande?
Guérande sits at 47.3°N, 2.4°W, 55 m above sea level, in France. The nearest listed city is La Baule-Escoublac, 6.0 km away.
Topography around Guérande
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guérande.
Within 3 km, the terrain around Guérande has only modest variations in elevation — a maximum elevation change of 67 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, significant variations in elevation — a maximum elevation change of 328 m.
The land around Guérande is covered by grassland (29%), trees (28%) and cropland (22%) within 3 km, water (48%) within 16 km, and water (39%) and grassland (22%) 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 Guérande (47.3283°, -2.4293°, elevation 55 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).