Guérande weather in August

In August, Guérande sees average daytime highs of 21°C and overnight lows near 17°C, with 43 mm of rain across 7.6 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Guérande's 1st-clearest and 12th-windiest month. For the whole year in context, see Guérande's year-round climate.

Daytime high
21°
1st warmest
Overnight low
17°
12th coldest
Rainfall
43 mm
7.6 wet days
Daylight
14 h 06 min
6:12 AM – 8:16 PM
Cloud cover
52%
1st clearest
Wind
17 km/h
12th windiest
Solar energy
5.38 kWh/m²
Travel score
6.9
out of 10

Guérande is human settlement in France.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical August day in Guérande reaches about 21°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12117
22117
32117
42117
52117
62117
72117
82117
92117
102117
112117
122117
132117
142117
152117
162117
172117
182117
192117
202117
212117
222117
232117
242117
252016
262016
272016
282016
292016
302016
312016

Guérande weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 7512.18.71.8
Feb / 569.89.91.9
Mar11° / 501011.62.7
Apr13° / 501013.33.7
May16° / 12°499.114.85.1
Jun19° / 15°387.815.76.3
Jul20° / 17°397.215.36.9
Aug21° / 17°437.614.16.9
Sep19° / 15°517.812.46.4
Oct16° / 13°8011.910.64.7
Nov13° / 10°8212.89.13.1
Dec10° / 85138.32.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65842
75842
85842
95842
105842
115842
125842
135842
145743
155743
165644
175644
185545
195545
205545
215545
225545
235644
245644
255644
265743
275743
285842
295941
305941
315941

Chance of precipitation in August

Any precipitation

Guérande gets around 43 mm of rain over 7.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
224
324
424
524
625
725
825
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1926
2025
2125
2225
2324
2424
2523
2622
2722
2821
2921
3021
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17424280
28424290
38414190
48414191
59424091
69424091
79423991
89423991
910423991
1010423991
1110423891
1210423881
1310423881
1410433881
1510433881
1610433881
1710433871
1811433970
1911433870
2011433870
2112443770
2213443760
2314443660
2416443460
2517443360
2618443250
2720453150
2821452950
2923452840
3024452740
3125452640

Wind in August

Winds average 17 km/h in August, the calmest month.

Across August, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 5:52 AM to 6:32 AM, and sunset from 8:39 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:528:39
214.75:538:38
314.75:558:37
414.75:568:35
514.65:578:34
614.65:588:32
714.56:008:31
814.56:018:29
914.46:028:28
1014.46:048:26
1114.36:058:24
1214.36:068:23
1314.26:088:21
1414.26:098:19
1514.16:108:18
1614.16:128:16
1714.06:138:14
1814.06:148:12
1913.96:168:11
2013.96:178:09
2113.86:188:07
2213.86:208:05
2313.76:218:03
2413.66:238:01
2513.66:247:59
2613.56:257:57
2713.56:277:55
2813.46:287:53
2913.46:297:51
3013.36:317:49
3113.36:327:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.38 kWh/m².

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 — August's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Guérande?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9
Sightseeing
1st-best month of the year
4.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Guérande for sightseeing.

What to pack for Guérande in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Guérande sees daytime highs around 21°C and nights near 17°C. Worth packing: sun protection. About 8 days see rain.

sun protection

Sea temperature near Guérande in August

The nearest coast averages about 18°C in August — 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.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in Guérande in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

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.

3 km
67 m
16 km
75 m
80 km
328 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: La Baule-Escoublac 6.0 km · Saint-Nazaire 17 km · Vannes 44 km · Couëron 55 km · Saint-Herblain 60 km · Orvault 61 km · Bouguenais 63 km · La Chapelle-sur-Erdre 66 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
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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).