Hérouville-Saint-Clair weather in July

In July, Hérouville-Saint-Clair sees average daytime highs of 23°C and overnight lows near 14°C, with 55 mm of rain across 10.9 wet days and about 15.6 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 23% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 16 hours at the start of July to 15 hours by month's end. Set against the rest of the year, July is Hérouville-Saint-Clair's 1st-clearest and 11th-windiest month. For the whole year in context, see Hérouville-Saint-Clair's year-round climate.

Daytime high
23°
1st warmest
Overnight low
14°
12th coldest
Rainfall
55 mm
10.9 wet days
Daylight
15 h 36 min
5:18 AM – 8:56 PM
Cloud cover
63%
1st clearest
Wind
13 km/h
11th windiest
Solar energy
5.61 kWh/m²
Travel score
6.6
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical July day in Hérouville-Saint-Clair reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222315
232315
242415
252415
262415
272415
282415
292415
302415
312415

How July really feels in Hérouville-Saint-Clair

Once humidity and wind are folded in, July 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

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

Hérouville-Saint-Clair weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5911.50.58.51.3
Feb / 5111.10.89.81.6
Mar12° / 5411.30.411.62.9
Apr15° / 5611.70.113.44.1
May18° / 10°5811.4015.15.3
Jun21° / 12°6210.5015.96.1
Jul23° / 14°5510.9015.66.6
Aug23° / 14°6010.1014.26.7
Sep20° / 12°539.7012.46.2
Oct16° / 6512.3010.54.6
Nov11° / 6612.808.92.6
Dec / 7413.30.58.11.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53961
64060
74060
84060
94060
104060
114159
124159
134258
144258
154258
164258
174258
184357
194357
204357
214258
224258
234258
244357
254258
264258
274258
284159
294159
304159
314159

Chance of precipitation in July

Any precipitation

Hérouville-Saint-Clair gets around 55 mm of rain over 10.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
237
337
437
537
637
736
836
935
1035
1134
1234
1334
1433
1533
1633
1733
1833
1933
2033
2133
2233
2334
2434
2534
2634
2733
2833
2933
3033
3133

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15040100
24941100
34842100
44743100
5474390
6474490
74644100
84644100
94644100
104544100
114545100
124445110
134445111
144345111
154245121
164146121
174046131
183947141
193847141
203747151
213648151
223548161
233449161
243349161
253251161
263151171
273051172
283050182
292951182
302951182
312851192

Wind in July

Winds average 13 km/h in July.

Across July, 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.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 hours 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 60 minutes over July. Sunrise moves from 5:05 AM to 5:36 AM, and sunset from 9:04 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.05:059:04
216.05:069:03
315.95:079:03
415.95:079:03
515.95:089:03
615.95:099:02
715.95:109:02
815.85:109:01
915.85:119:01
1015.85:129:00
1115.85:139:00
1215.75:148:59
1315.75:158:58
1415.75:168:57
1515.75:178:57
1615.65:188:56
1715.65:198:55
1815.65:208:54
1915.55:218:53
2015.55:228:52
2115.55:238:51
2215.45:258:50
2315.45:268:49
2415.35:278:48
2515.35:288:46
2615.35:308:45
2715.25:318:44
2815.25:328:43
2915.15:348:41
3015.15:358:40
3115.05:368:38

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.61 kWh/m².

For context, solar energy here swings from a low near 0.81 kWh/m² to a high of 5.83 kWh/m² in June across the year — July's 5.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in July

Is July a good time to visit Hérouville-Saint-Clair?

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

6.6
Sightseeing
2nd-best month of the year
5.1
Beach & pool
1st-best month of the year

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

What to pack for Hérouville-Saint-Clair in July

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

In July, Hérouville-Saint-Clair sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Hérouville-Saint-Clair 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 at the nearest coast (about 19 km away) is warmest in August at about 19°C and coldest in February near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep18Cool
Oct16Cool
Nov13Bracing
Dec10Bracing

UV index in Hérouville-Saint-Clair 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 Hérouville-Saint-Clair peaks around June 18 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Hérouville-Saint-Clair in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Hérouville-Saint-Clair is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1515 µg/m³Nov 187 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun12Moderate
Jul10Good
Aug11Good
Sep10Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Hérouville-Saint-Clair?

Hérouville-Saint-Clair sits at 49.2°N, 0.3°W, 5 m above sea level, in France. The nearest listed city is Caen, 5.0 km away.

Topography around Hérouville-Saint-Clair

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

Within 3 km, the terrain around Hérouville-Saint-Clair has only modest variations in elevation — a maximum elevation change of 92 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, significant variations in elevation — a maximum elevation change of 459 m.

The land around Hérouville-Saint-Clair is covered by artificial surfaces (30%), cropland (27%) and trees (23%) within 3 km, cropland (43%) and grassland (20%) within 16 km, and grassland (30%), cropland (29%) and water (23%) within 80 km.

3 km
92 m
16 km
164 m
80 km
459 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Caen 5.0 km · Bayeux 30 km · Deauville 32 km · Lisieux 40 km · Le Havre 43 km · Montivilliers 52 km · Argentan 56 km · Flers 56 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 Hérouville-Saint-Clair (49.2109°, -0.3065°, elevation 5 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).