La Chapelle-sur-Erdre weather in August

In August, La Chapelle-sur-Erdre sees average daytime highs of 24°C and overnight lows near 14°C, with 47 mm of rain across 7.3 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 24°C through the month. The sky is clear or mostly clear about 30% 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 La Chapelle-sur-Erdre's 1st-clearest and 12th-windiest month. For the whole year in context, see La Chapelle-sur-Erdre's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
11th coldest
Rainfall
47 mm
7.3 wet days
Daylight
14 h 06 min
6:08 AM – 8:12 PM
Cloud cover
57%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
5.08 kWh/m²
Travel score
7.4
out of 10

La Chapelle-sur-Erdre is commune in Loire-Atlantique, France.

Density
553/km²
people per km²

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 24°C through the month.

A typical August day in La Chapelle-sur-Erdre reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142415
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292314
302313
312313

How August really feels in La Chapelle-sur-Erdre

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

La Chapelle-sur-Erdre 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 daysSnow daysDaylight (hours)Travel score
Jan / 7111.20.28.71.6
Feb10° / 559.60.59.92.1
Mar13° / 5310.30.111.63.4
Apr15° / 5710.5013.34.6
May19° / 10°6110.6014.85.8
Jun22° / 13°468.4015.76.7
Jul24° / 14°397.3015.37.4
Aug24° / 14°477.3014.17.4
Sep21° / 12°497.4012.46.9
Oct17° / 10°7311.4010.65.1
Nov12° / 7011.309.13.1
Dec / 7911.40.28.31.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34753
44654
54654
64852
74753
84753
94753
104852
114852
124852
134852
144852
154753
164852
174753
184654
194654
204654
214753
224654
234654
244852
254852
264951
274951
285050
295149
305149
315149

Chance of precipitation in August

Any precipitation

La Chapelle-sur-Erdre gets around 47 mm of rain over 7.3 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 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
121
222
322
423
523
623
724
824
924
1025
1125
1225
1325
1425
1525
1625
1724
1824
1924
2024
2124
2224
2323
2423
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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12642293
22641293
32741293
42740284
52840284
62939284
72939274
83039274
93039274
103039274
113138264
123139264
133139264
143239254
153239254
163239254
173239254
183239254
193239244
203340244
213340234
223439233
233539223
243639213
253839203
263938203
274138193
284237183
294337173
304537162
314636152

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3013light breeze
3113light 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 5:49 AM to 6:29 AM, and sunset from 8:36 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:498:36
214.75:508:35
314.75:518:33
414.75:528:32
514.65:548:30
614.65:558:29
714.55:568:27
814.55:588:26
914.45:598:24
1014.46:008:22
1114.36:028:21
1214.36:038:19
1314.26:048:18
1414.26:068:16
1514.16:078:14
1614.16:088:12
1714.06:108:11
1814.06:118:09
1913.96:128:07
2013.96:148:05
2113.86:158:03
2213.86:168:01
2313.76:188:00
2413.66:197:58
2513.66:207:56
2613.56:227:54
2713.56:237:52
2813.46:257:50
2913.46:267:48
3013.36:277:46
3113.36:297:44

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.08 kWh/m².

For context, solar energy here swings from a low near 0.97 kWh/m² to a high of 5.89 kWh/m² in June across the year — August's 5.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Is August a good time to visit La Chapelle-sur-Erdre?

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

7.4
Sightseeing
1st-best month of the year
6.3
Beach & pool
1st-best month of the year

August is one of the better times to visit La Chapelle-sur-Erdre for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Chapelle-sur-Erdre in August

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

In August, La Chapelle-sur-Erdre sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near La Chapelle-sur-Erdre in August

The nearest coast averages about 19°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 47 km away) is warmest in August at about 19°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
Jun17Cool
Jul18Cool
Aug19Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in La Chapelle-sur-Erdre 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 La Chapelle-sur-Erdre 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 La Chapelle-sur-Erdre?

La Chapelle-sur-Erdre sits at 47.3°N, 1.6°W, 28 m above sea level, in France. The nearest listed city is Carquefou, 5.0 km away.

Topography around La Chapelle-sur-Erdre

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of La Chapelle-sur-Erdre.

Within 3 km, the terrain around La Chapelle-sur-Erdre has only modest variations in elevation — a maximum elevation change of 61 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 173 m; within 80 km, significant variations in elevation — a maximum elevation change of 340 m.

The land around La Chapelle-sur-Erdre is covered by trees (51%) and grassland (23%) within 3 km, trees (33%) and grassland (31%) within 16 km, and cropland (35%) and grassland (33%) within 80 km.

3 km
61 m
16 km
173 m
80 km
340 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Carquefou 5.0 km · Orvault 6.0 km · Nantes 9.0 km · Saint-Sébastien-sur-Loire 11 km · Rezé 12 km · Saint-Herblain 12 km · Bouguenais 14 km · Vertou 16 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 La Chapelle-sur-Erdre (47.2996°, -1.5524°, elevation 28 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).