Valenciennes weather in August

In August, Valenciennes sees average daytime highs of 23°C and overnight lows near 14°C, with 70 mm of rain across 11.2 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 18% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 06 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Valenciennes's 1st-clearest and 12th-windiest month. For the whole year in context, see Valenciennes's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
70 mm
11.2 wet days
Daylight
14 h 18 min
5:41 AM – 7:59 PM
Cloud cover
64%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.53 kWh/m²
Travel score
6.5
out of 10
Air quality
Moderate
PM2.5 12.4 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

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical August day in Valenciennes 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 18°C and 28°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192214
202214
212213
222213
232213
242213
252213
262213
272213
282113
292113
302113
312112

How August really feels in Valenciennes

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.

Valenciennes weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6412.118.30.5
Feb / 5710.91.59.70.9
Mar11° / 5711.60.711.52.4
Apr14° / 5211.60.113.53.9
May18° / 6712.6015.25.2
Jun20° / 12°6311.3016.16.0
Jul23° / 14°6511.2015.76.5
Aug23° / 14°7011.2014.36.5
Sep19° / 11°509.5012.46.0
Oct15° / 6111.1010.54.2
Nov10° / 6411.90.48.82.0
Dec / 7713.51.17.90.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54357
64357
74258
84258
94258
104258
114159
124159
134060
143961
153961
163961
173961
183862
193862
203862
213763
223763
233763
243763
253763
263664
273664
283664
293565
303565
313565

Chance of precipitation in August

Any precipitation

Valenciennes gets around 70 mm of rain over 11.2 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
434
535
635
736
836
937
1037
1137
1238
1338
1438
1538
1638
1738
1838
1938
2038
2137
2237
2336
2436
2535
2634
2734
2833
2933
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13545192
23545192
33544192
43544192
53544192
63644182
73644182
83644182
93743182
103743182
113743182
123843182
133843172
143842172
153942172
163942172
174041172
184141162
194141162
204240162
214339162
224538152
234637152
244836142
255035142
265134141
275333131
285432131
295631121
305730121
315830111

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
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 06 min at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over August. Sunrise moves from 5:18 AM to 6:04 AM, and sunset from 8:26 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:188:26
215.15:208:24
315.05:218:23
415.05:238:21
514.95:248:19
614.95:268:18
714.85:278:16
814.85:298:14
914.75:308:12
1014.75:328:11
1114.65:338:09
1214.55:358:07
1314.55:368:05
1414.45:388:03
1514.45:398:01
1614.35:417:59
1714.35:427:57
1814.25:447:55
1914.15:457:53
2014.15:477:51
2114.05:487:49
2214.05:507:47
2313.95:527:45
2413.85:537:43
2513.85:557:41
2613.75:567:39
2713.65:587:37
2813.65:597:34
2913.56:017:32
3013.56:027:30
3113.46:047:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.53 kWh/m².

For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.41 kWh/m² in June across the year — August's 4.53 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.0Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Valenciennes?

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

6.5
Sightseeing
1st-best month of the year
4.8
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Valenciennes for sightseeing.

What to pack for Valenciennes in August

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

In August, Valenciennes 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

UV index in Valenciennes in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Valenciennes peaks around July 13 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Valenciennes in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Valenciennes is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Valenciennes's WHO annual average of 12.4 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1316 µg/m³Dec 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar15Moderate
Apr16Moderate
May14Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep12Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Valenciennes?

Valenciennes sits at 50.4°N, 3.5°E, 29 m above sea level, in France. The nearest listed city is Denain, 10 km away.

Topography around Valenciennes

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

Within 3 km, the terrain around Valenciennes has only modest variations in elevation — a maximum elevation change of 60 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 138 m; within 80 km, significant variations in elevation — a maximum elevation change of 501 m.

The land around Valenciennes is covered by artificial surfaces (49%) and trees (31%) within 3 km, cropland (41%) and trees (28%) within 16 km, and cropland (53%) and trees (20%) within 80 km.

3 km
60 m
16 km
138 m
80 km
501 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Denain 10 km · Saint-Amand-les-Eaux 12 km · Péruwelz 17 km · Dour 18 km · Boussu 21 km · Saint-Ghislain 23 km · Colfontaine 24 km · Quaregnon 26 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 Valenciennes (50.3591°, 3.5251°, elevation 29 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. 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).