Andenne weather in August

In August, Andenne sees average daytime highs of 22°C and overnight lows near 13°C, with 80 mm of rain across 12.5 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 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 19% 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 Andenne's 1st-clearest and 12th-windiest month. For the whole year in context, see Andenne's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
80 mm
12.5 wet days
Daylight
14 h 18 min
5:34 AM – 7:53 PM
Cloud cover
65%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.46 kWh/m²
Travel score
6.2
out of 10

Andenne is town centre in Andenne, Wallonia, Belgium.

Air quality
Good
PM2.5 9 µg/m³ · 2019
Founded
~692 CE

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 23°C in the first days to 21°C by the end.

A typical August day in Andenne reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152213
162213
172213
182213
192213
202213
212213
222213
232213
242113
252113
262113
272112
282112
292112
302112
312012

How August really feels in Andenne

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.

Andenne 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 / 6812.82.18.30.1
Feb / 6311.83.19.70.5
Mar10° / 6312.91.411.52.1
Apr14° / 5411.70.213.53.7
May17° / 6512.9015.25.1
Jun20° / 12°7212.6016.15.8
Jul22° / 14°7612.6015.86.2
Aug22° / 13°8012.5014.36.2
Sep19° / 11°5911.1012.45.6
Oct14° / 6211.9010.43.8
Nov / 6612.80.68.71.6
Dec / 8214.32.47.90.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
54060
63961
73961
83862
93862
103862
113862
123763
133763
143763
153763
163664
173664
183565
193565
203565
213565
223565
233565
243565
253664
263664
273565
283565
293664
303664
313664

Chance of precipitation in August

Any precipitation

Andenne gets around 80 mm of rain over 12.5 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
739
840
940
1040
1140
1241
1341
1441
1541
1641
1742
1842
1942
2042
2142
2242
2341
2441
2541
2640
2740
2840
2939
3039
3138

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13843171
23844171
33944161
43944161
53945151
64045151
74045141
84145141
94144141
104144141
114244141
124243141
134343141
144342141
154442141
164441141
174540141
184640141
194639141
204738141
214937141
225036141
235135131
245333131
255532121
265631121
275830111
285929111
296029101
30622891
31632791

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 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
111calm
211calm
311calm
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 5:12 AM to 5:58 AM, and sunset from 8:20 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:128:20
215.15:138:18
315.05:148:17
415.05:168:15
514.95:178:13
614.95:198:12
714.85:208:10
814.85:228:08
914.75:238:06
1014.75:258:05
1114.65:268:03
1214.65:288:01
1314.55:297:59
1414.45:317:57
1514.45:337:55
1614.35:347:53
1714.35:367:51
1814.25:377:49
1914.15:397:47
2014.15:407:45
2114.05:427:43
2214.05:437:41
2313.95:457:39
2413.85:477:37
2513.85:487:35
2613.75:507:33
2713.75:517:31
2813.65:537:28
2913.55:547:26
3013.55:567:24
3113.45:587:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.46 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.32 kWh/m² in June across the year — August's 4.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Andenne?

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

6.2
Sightseeing
1st-best month of the year
4.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Andenne for sightseeing.

What to pack for Andenne in August

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

In August, Andenne sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

UV index in Andenne 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 Andenne peaks around July 15 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 15UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Andenne?

Andenne sits at 50.5°N, 5.1°E, 78 m above sea level, in Belgium. The nearest listed city is Huy, 10 km away.

JambesNamurFlémalle-HauteDinantGemblouxSeraingMarche-en-Famenne

Topography around Andenne

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

Within 3 km, the terrain around Andenne has only modest variations in elevation — a maximum elevation change of 183 m around an average of 151 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 774 m.

The land around Andenne is covered by trees (48%) and cropland (20%) within 3 km, cropland (39%), trees (35%) and grassland (20%) within 16 km, and trees (44%), grassland (26%) and cropland (23%) within 80 km.

3 km
183 m
16 km
306 m
80 km
774 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Huy 10 km · Jambes 16 km · Namur 16 km · Flémalle-Haute 28 km · Dinant 29 km · Gembloux 29 km · Seraing 31 km · Marche-en-Famenne 34 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

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 Andenne (50.4894°, 5.0951°, elevation 78 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).