Illzach weather in August

In August, Illzach sees average daytime highs of 24°C and overnight lows near 14°C, with 80 mm of rain across 12 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Illzach's 1st-clearest and 12th-windiest month. For the whole year in context, see Illzach's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
80 mm
12 wet days
Daylight
14 h 06 min
5:32 AM – 7:38 PM
Cloud cover
56%
1st clearest
Wind
7 km/h
12th windiest
Solar energy
4.88 kWh/m²
Travel score
6.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical August day in Illzach reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 31°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162514
172514
182514
192414
202414
212414
222414
232414
242414
252414
262313
272313
282313
292313
302313
312213

How August really feels in Illzach

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.

Illzach weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°7512.53.68.60.0
Feb / -0°6510.64.19.90.5
Mar11° / 71121.911.62.5
Apr15° / 6811.80.413.44.2
May19° / 9314014.95.4
Jun23° / 13°8013.3015.76.2
Jul25° / 15°8113015.46.5
Aug24° / 14°8012014.16.7
Sep20° / 11°7411012.46.0
Oct14° / 8312.10.210.64.0
Nov / 8111.81.49.11.4
Dec / 9213.23.88.30.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35347
45347
55248
65149
75149
85050
95050
105050
115050
124951
135050
145050
155050
165149
175149
185248
195248
205347
215347
225347
235347
245347
255347
265248
275149
285050
295050
305050
315050

Chance of precipitation in August

Any precipitation

Illzach gets around 80 mm of rain over 12 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
739
839
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1938
2038
2138
2238
2338
2438
2537
2637
2737
2837
2936
3036
3136

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 (%)
13341250
23341251
33441251
43441251
53541241
63541231
73641221
83741221
93741211
103841211
113841200
123941190
133941190
144041180
154141180
164141170
174141170
184241170
194241170
204341170
214340170
224439160
234539160
244737160
254836150
265035150
275234140
285433130
295532130
305731120
315930110

Wind in August

Winds average 7 km/h in August, the calmest month.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 5:12 AM to 5:52 AM, and sunset from 8:02 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:128:02
214.85:138:00
314.75:147:59
414.75:157:57
514.75:177:56
614.65:187:54
714.65:197:53
814.55:217:51
914.55:227:50
1014.45:237:48
1114.45:257:46
1214.35:267:45
1314.35:277:43
1414.25:297:41
1514.25:307:40
1614.15:327:38
1714.15:337:36
1814.05:347:34
1913.95:367:32
2013.95:377:30
2113.85:387:29
2213.85:407:27
2313.75:417:25
2413.75:437:23
2513.65:447:21
2613.65:457:19
2713.55:477:17
2813.45:487:15
2913.45:507:13
3013.35:517:11
3113.35:527:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.88 kWh/m².

For context, solar energy here swings from a low near 0.92 kWh/m² to a high of 5.67 kWh/m² in June across the year — August's 4.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Is August a good time to visit Illzach?

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

6.7
Sightseeing
1st-best month of the year
5.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Illzach for sightseeing.

What to pack for Illzach in August

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

In August, Illzach sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Illzach 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 Illzach peaks around July 14 at about 8 (very 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Illzach 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 Illzach is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1315 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Illzach?

Illzach sits at 47.8°N, 7.4°E, 232 m above sea level, in France. The nearest listed city is Mulhouse, 3.0 km away.

Topography around Illzach

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

Within 3 km, the terrain around Illzach has only modest variations in elevation — a maximum elevation change of 71 m around an average of 236 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,439 m.

The land around Illzach is covered by artificial surfaces (56%) and trees (22%) within 3 km, trees (41%) and cropland (35%) within 16 km, and trees (59%) and grassland (21%) within 80 km.

3 km
71 m
16 km
480 m
80 km
1,439 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Mulhouse 3.0 km · Wittenheim 4.0 km · Müllheim 21 km · Saint-Louis 26 km · Allschwil 28 km · Weil am Rhein 28 km · Basel 29 km · Lörrach 29 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 Illzach (47.7742°, 7.3518°, elevation 232 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).