Lorient weather in August

In August, Lorient sees average daytime highs of 20°C and overnight lows near 15°C, with 46 mm of rain across 8.1 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 20°C through the month. The sky is clear or mostly clear about 31% 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 Lorient's 2nd-clearest and 12th-windiest month. For the whole year in context, see Lorient's year-round climate.

Daytime high
20°
1st warmest
Overnight low
15°
12th coldest
Rainfall
46 mm
8.1 wet days
Daylight
14 h 06 min
6:15 AM – 8:21 PM
Cloud cover
56%
2nd clearest
Wind
16 km/h
12th windiest
Solar energy
5.05 kWh/m²
Travel score
6.7
out of 10
Air quality
Good
PM2.5 9.2 µg/m³ · 2019

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 20°C through the month.

A typical August day in Lorient reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°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)
12016
22016
32016
42016
52016
62016
72016
82016
92016
102016
112016
122016
132016
142016
152016
162016
172015
182015
192015
202015
212015
222015
232015
242015
252015
262015
272015
282015
292015
302015
312015

Lorient 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 / 96138.71.8
Feb / 71119.91.8
Mar11° / 5710.711.62.6
Apr13° / 6010.513.43.5
May16° / 11°5410.114.94.8
Jun18° / 13°43815.76.1
Jul20° / 15°397.815.46.7
Aug20° / 15°468.114.16.7
Sep19° / 14°567.712.46.3
Oct16° / 12°9812.710.64.5
Nov12° / 9713.69.13.0
Dec10° / 10613.38.32.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55149
65149
75248
85248
95149
105149
115149
125149
135149
145248
155248
165248
175149
185050
195050
205050
214951
224951
234951
245050
255149
265149
275149
285248
295248
305248
315347

Chance of precipitation in August

Any precipitation

Lorient gets around 46 mm of rain over 8.1 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
225
325
425
525
625
726
826
926
1026
1126
1226
1326
1427
1527
1627
1727
1827
1927
2027
2127
2227
2327
2426
2525
2625
2724
2824
2923
3023
3122

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12049291
22149292
32148292
42147292
52247292
62247292
72346292
82346282
92346282
102346282
112446272
122447272
132447272
142447262
152448262
162448252
172449252
182449252
192549241
202550241
212650231
222749221
232849221
243048211
253148201
263347191
273446191
283646181
293745171
303944161
314043161

Wind in August

Winds average 16 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
1416light breeze
1516light breeze
1616light breeze
1716light 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 5:55 AM to 6:35 AM, and sunset from 8:45 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:558:45
214.85:568:43
314.75:578:42
414.75:588:40
514.76:008:39
614.66:018:37
714.66:028:36
814.56:048:34
914.56:058:33
1014.46:068:31
1114.46:088:29
1214.36:098:28
1314.36:108:26
1414.26:128:24
1514.26:138:22
1614.16:158:21
1714.06:168:19
1814.06:178:17
1913.96:198:15
2013.96:208:13
2113.86:218:11
2213.86:238:10
2313.76:248:08
2413.76:268:06
2513.66:278:04
2613.66:288:02
2713.56:308:00
2813.46:317:58
2913.46:337:56
3013.36:347:54
3113.36:357:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.05 kWh/m².

For context, solar energy here swings from a low near 0.95 kWh/m² to a high of 6.1 kWh/m² in June across the year — August's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
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 Lorient?

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

6.7
Sightseeing
1st-best month of the year
3.6
Beach & pool
1st-best month of the year

August is a reasonable time to visit Lorient for sightseeing.

What to pack for Lorient in August

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

In August, Lorient sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Lorient 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 14 km away) is warmest in August at about 18°C and coldest in February near 10°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
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Lorient 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 Lorient 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
Feb1Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Lorient?

Lorient sits at 47.7°N, 3.4°W, 10 m above sea level, in France. The nearest listed city is Lanester, 3.0 km away.

Topography around Lorient

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lorient.

Within 3 km, the terrain around Lorient has only modest variations in elevation — a maximum elevation change of 57 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, significant variations in elevation — a maximum elevation change of 373 m.

The land around Lorient is covered by artificial surfaces (41%) and trees (27%) within 3 km, water (33%) and trees (30%) within 16 km, and water (37%), trees (25%) and cropland (21%) within 80 km.

3 km
57 m
16 km
137 m
80 km
373 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Lanester 3.0 km · Ploemeur 5.0 km · Concarneau 43 km · Pontivy 47 km · Vannes 47 km · Quimper 61 km · Douarnenez 81 km · Guérande 85 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 Lorient (47.7482°, -3.3718°, elevation 10 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).