Douai weather in August

In August, Douai sees average daytime highs of 23°C and overnight lows near 14°C, with 68 mm of rain across 11.1 wet days and about 14.3 hours of daylight. It is the 1st-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 Douai's 1st-clearest and 12th-windiest month. For the whole year in context, see Douai's year-round climate.

Daytime high
23°
1st warmest
Overnight low
14°
12th coldest
Rainfall
68 mm
11.1 wet days
Daylight
14 h 18 min
5:42 AM – 8:01 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 Douai 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
192314
202214
212214
222213
232213
242213
252213
262213
272213
282113
292113
302113
312113

How August really feels in Douai

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.

Douai weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5711.318.30.6
Feb / 5010.31.39.71.0
Mar11° / 5111.10.711.52.5
Apr14° / 5011.20.113.54.0
May18° / 6412.4015.25.2
Jun20° / 12°6110.7016.16.0
Jul23° / 14°6010.8015.76.6
Aug23° / 14°6811.1014.36.5
Sep19° / 11°489.4012.46.1
Oct15° / 6011.1010.54.3
Nov10° / 6011.90.38.82.1
Dec / 7012.81.17.90.8

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 22% of August, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54357
64357
74357
84357
94258
104258
114357
124357
134258
144258
154258
164258
174159
184159
194060
204060
214060
223961
233862
243862
253763
263763
273664
283664
293565
303565
313565

Chance of precipitation in August

Any precipitation

Douai gets around 68 mm of rain over 11.1 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 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
334
434
535
635
736
836
937
1037
1137
1238
1338
1438
1538
1638
1738
1838
1937
2037
2136
2236
2335
2435
2534
2634
2733
2833
2932
3032
3131

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13645182
23645172
33644172
43744172
53744172
63744172
73744162
83744162
93844162
103844162
113844162
123844162
133844152
143944152
153944152
163943152
174043152
184043152
194143142
204242142
214341142
224540132
234639132
244838132
254937122
265136121
275335111
285434111
295533111
305633101
315732101

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
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light 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 5:20 AM to 6:06 AM, and sunset from 8:27 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:208:27
215.15:218:26
315.05:238:24
415.05:248:23
514.95:268:21
614.95:278:19
714.85:298:18
814.85:308:16
914.75:328:14
1014.75:338:12
1114.65:358:11
1214.55:368:09
1314.55:388:07
1414.45:398:05
1514.45:418:03
1614.35:428:01
1714.35:447:59
1814.25:467:57
1914.15:477:55
2014.15:497:53
2114.05:507:51
2214.05:527:49
2313.95:537:47
2413.85:557:45
2513.85:567:43
2613.75:587:41
2713.66:007:38
2813.66:017:36
2913.56:037:34
3013.56:047:32
3113.46:067:30

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 0.69 kWh/m² to a high of 5.44 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
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Douai?

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

6.5
Sightseeing
2nd-best month of the year
4.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Douai for sightseeing.

What to pack for Douai in August

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

In August, Douai 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 Douai 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 Douai peaks around July 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Douai 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 Douai is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 1116 µg/m³Nov 2010 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar15Moderate
Apr16Moderate
May14Moderate
Jun13Moderate
Jul11Good
Aug12Moderate
Sep12Good
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Douai?

Douai sits at 50.4°N, 3.1°E, 29 m above sea level, in France. The nearest listed city is Sin-le-Noble, 4.0 km away.

Topography around Douai

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

Within 3 km, the terrain around Douai has only modest variations in elevation — a maximum elevation change of 35 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, significant variations in elevation — a maximum elevation change of 374 m.

The land around Douai is covered by artificial surfaces (42%) and trees (29%) within 3 km, cropland (51%) and trees (21%) within 16 km, and cropland (61%) within 80 km.

3 km
35 m
16 km
99 m
80 km
374 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Sin-le-Noble 4.0 km · Hénin-Beaumont 9.0 km · Carvin 16 km · Avion 18 km · Lens 19 km · Liévin 22 km · Arras 23 km · Denain 23 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 Douai (50.3707°, 3.0792°, 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).