Brest weather in July

In July, Brest sees average daytime highs of 19°C and overnight lows near 14°C, with 45 mm of rain across 10.1 wet days and about 15.5 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 48 min at the start of July to 14 h 54 min by month's end. Set against the rest of the year, July is Brest's 2nd-clearest and 11th-windiest month. For the whole year in context, see Brest's year-round climate.

Daytime high
19°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
45 mm
10.1 wet days
Daylight
15 h 30 min
5:38 AM – 9:09 PM
Cloud cover
61%
2nd clearest
Wind
17 km/h
11th windiest
Solar energy
6.13 kWh/m²
Travel score
6.1
out of 10

Brest is port city in the Finistère department, Brittany, France.

Air quality
Good
PM2.5 7.5 µg/m³ · 2019
Density
2,927/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical July day in Brest reaches about 19°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11814
21814
31814
41814
51814
61814
71814
81814
91914
101914
111914
121914
131914
141914
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251915
261915
271915
281915
291915
301915
311915

Brest weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 9915.38.61.8
Feb10° / 7913.39.91.8
Mar11° / 6412.611.62.5
Apr13° / 6611.913.43.2
May15° / 10°5910.6154.4
Jun17° / 13°479.715.85.5
Jul19° / 14°4510.115.56.1
Aug19° / 14°531014.16.1
Sep18° / 13°529.612.45.8
Oct15° / 11°9214.110.64.1
Nov12° / 9614.992.9
Dec11° / 10615.38.22.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
44060
54060
64159
74159
84357
94357
104456
114456
124555
134555
144555
154555
164654
174654
184654
194654
204555
214555
224456
234555
244555
254555
264555
274456
284456
294555
304456
314456

Chance of precipitation in July

Any precipitation

Brest gets around 45 mm of rain over 10.1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
336
436
536
635
735
834
933
1032
1132
1231
1330
1430
1530
1629
1729
1829
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
146495
244515
343525
442535
541545
640555
739565
838575
938575
1037585
1136586
1235596
1334597
1433598
1532608
1631609
17306010
18296011
19286012
20276013
21266113
22256114
23246115
24246016
25236116
26236017
27226018
28216118
29216019
30216019
31215920

Wind in July

Winds average 17 km/h in July.

Across July, 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
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 48 min at the start of July to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over July. Sunrise moves from 5:26 AM to 5:56 AM, and sunset from 9:17 PM to 8:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.85:269:17
215.85:269:16
315.85:279:16
415.85:289:16
515.85:289:16
615.85:299:15
715.75:309:15
815.75:319:14
915.75:319:14
1015.75:329:13
1115.75:339:13
1215.65:349:12
1315.65:359:11
1415.65:369:11
1515.65:379:10
1615.55:389:09
1715.55:399:08
1815.55:409:07
1915.45:419:07
2015.45:429:06
2115.45:439:05
2215.35:459:03
2315.35:469:02
2415.25:479:01
2515.25:489:00
2615.25:498:59
2715.15:518:58
2815.15:528:56
2915.05:538:55
3015.05:548:54
3114.95:568:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.13 kWh/m².

For context, solar energy here swings from a low near 0.89 kWh/m² to a high of 6.38 kWh/m² in June across the year — July's 6.13 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Is July a good time to visit Brest?

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

6.1
Sightseeing
1st-best month of the year
2.5
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Brest for sightseeing.

What to pack for Brest in July

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

In July, Brest sees daytime highs around 19°C and nights near 14°C. Pack sun protection. Worth having: rain gear. About 10 days see rain.

sun protectionrain gear

Sea temperature near Brest in July

The nearest coast averages about 15°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 16°C and coldest in February near 10°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

8°10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May13Bracing
Jun14Bracing
Jul15Cool
Aug16Cool
Sep15Cool
Oct15Bracing
Nov14Bracing
Dec12Bracing

UV index in Brest in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brest peaks around August 14 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 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Brest?

Brest sits at 48.4°N, 4.5°W, 49 m above sea level, in France. The nearest listed city is Landerneau, 19 km away.

Topography around Brest

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

Within 3 km, the terrain around Brest has only modest variations in elevation — a maximum elevation change of 109 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 182 m; within 80 km, significant variations in elevation — a maximum elevation change of 384 m.

The land around Brest is covered by artificial surfaces (46%), water (28%) and trees (22%) within 3 km, trees (27%), water (25%) and cropland (21%) within 16 km, and water (56%) within 80 km.

3 km
109 m
16 km
182 m
80 km
384 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Landerneau 19 km · Douarnenez 35 km · Quimper 52 km · Morlaix 53 km · Concarneau 71 km · Lannion 85 km · Ploemeur 107 km · Lorient 109 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 Brest (48.3903°, -4.4863°, elevation 49 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).