Saint-Malo weather in July

In July, Saint-Malo sees average daytime highs of 18°C and overnight lows near 16°C, with 48 mm of rain across 9.3 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 18°C through the month. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 54 min at the start of July to 15 hours by month's end. Set against the rest of the year, July is Saint-Malo's 1st-clearest and 11th-windiest month. For the whole year in context, see Saint-Malo's year-round climate.

Daytime high
18°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
48 mm
9.3 wet days
Daylight
15 h 36 min
5:27 AM – 9:00 PM
Cloud cover
54%
1st clearest
Wind
20 km/h
11th windiest
Solar energy
6.07 kWh/m²
Travel score
6.2
out of 10
Air quality
Good
PM10 19.5 µg/m³ · 2019

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 18°C through the month.

A typical July day in Saint-Malo reaches about 18°C in the afternoon and slips back to 16°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°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)
11715
21715
31715
41815
51815
61815
71816
81816
91816
101816
111816
121816
131816
141816
151816
161816
171816
181816
191816
201816
211916
221916
231916
241916
251917
261917
271917
281917
291917
301917
311917

Saint-Malo 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
Jan / 9114.88.51.6
Feb / 73139.81.5
Mar10° / 6612.211.62.1
Apr11° / 5810.413.42.9
May14° / 11°579.8154.0
Jun16° / 14°508.815.85.2
Jul18° / 16°489.315.56.2
Aug19° / 17°5910.214.26.1
Sep18° / 16°7610.712.45.7
Oct16° / 13°10715.310.54.2
Nov12° / 10°11716.392.8
Dec10° / 11916.18.11.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55248
65347
75446
85446
95545
105545
115545
125545
135545
145545
155545
165545
175446
185347
195347
205347
215248
225248
235248
245248
255248
265248
275149
285248
295149
305149
315149

Chance of precipitation in July

Any precipitation

Saint-Malo gets around 48 mm of rain over 9.3 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 29% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
433
533
633
733
832
931
1031
1130
1229
1329
1428
1528
1627
1727
1827
1927
2027
2127
2227
2327
2427
2527
2628
2728
2828
2929
3029
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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1405280
2385480
3385480
4375490
5365590
63555100
73456100
83455110
93355120
103255130
113156130
123056140
132857150
142757160
152657170
162458180
172358190
182159200
192059210
201959220
211859230
221660240
231660240
241560250
251460260
261459270
271359280
281358290
291358290
301258300
311355311

Wind in July

Winds average 20 km/h in July.

Across July, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in July

DaylightNight

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

Days shrink by about 54 minutes over July. Sunrise moves from 5:15 AM to 5:45 AM, and sunset from 9:08 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.95:159:08
215.95:159:08
315.95:169:07
415.85:179:07
515.85:179:07
615.85:189:06
715.85:199:06
815.85:209:06
915.75:209:05
1015.75:219:05
1115.75:229:04
1215.75:239:03
1315.65:249:03
1415.65:259:02
1515.65:269:01
1615.65:279:00
1715.55:288:59
1815.55:298:59
1915.55:308:58
2015.45:318:57
2115.45:328:56
2215.35:348:55
2315.35:358:53
2415.35:368:52
2515.25:378:51
2615.25:388:50
2715.15:408:49
2815.15:418:47
2915.15:428:46
3015.05:448:45
3115.05:458:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.07 kWh/m².

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 6.22 kWh/m² in June across the year — July's 6.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.0Intense
226.0Intense
236.0Bright
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Saint-Malo?

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

6.2
Sightseeing
1st-best month of the year
2.1
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Saint-Malo for sightseeing.

What to pack for Saint-Malo in July

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

In July, Saint-Malo sees daytime highs around 18°C and nights near 16°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Saint-Malo in July

The nearest coast averages about 17°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 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
Jan9Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep18Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Saint-Malo 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 Saint-Malo peaks around June 17 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 11 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 17UV 7Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saint-Malo?

Saint-Malo sits at 48.6°N, 2.0°W, 10 m above sea level, in France. The nearest listed city is Saint-Brieuc, 58 km away.

Topography around Saint-Malo

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

Within 3 km, the terrain around Saint-Malo has only modest variations in elevation — a maximum elevation change of 52 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Saint-Malo is covered by water (47%) and artificial surfaces (31%) within 3 km, water (54%) within 16 km, and water (35%) and cropland (27%) within 80 km.

3 km
52 m
16 km
144 m
80 km
375 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Saint-Brieuc 58 km · Saint Helier 61 km · Rennes 65 km · Cesson-Sévigné 66 km · Fougères 68 km · Vitré 83 km · Saint-Lô 85 km · Pontivy 96 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 Saint-Malo (48.6474°, -2.0088°, 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).