Arlon weather in July

In July, Arlon sees average daytime highs of 22°C and overnight lows near 13°C, with 76 mm of rain across 12.9 wet days and about 15.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 hours at the start of July to 15 h 06 min by month's end. Set against the rest of the year, July is Arlon's 2nd-clearest and 11th-windiest month. For the whole year in context, see Arlon's year-round climate.

Daytime high
22°
1st warmest
Overnight low
13°
12th coldest
Rainfall
76 mm
12.9 wet days
Daylight
15 h 42 min
4:51 AM – 8:33 PM
Cloud cover
64%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
5.32 kWh/m²
Travel score
6.2
out of 10

Arlon is town in Arlon municipality, Belgium.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical July day in Arlon 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 16°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)
12112
22112
32112
42112
52113
62113
72113
82113
92113
102113
112113
122113
132213
142213
152213
162213
172213
182213
192213
202213
212213
222213
232213
242313
252314
262314
272314
282314
292314
302314
312314

How July really feels in Arlon

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.

Arlon weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°8212.748.40.0
Feb / -1°6811.14.69.80.1
Mar / 7112.62.211.51.6
Apr13° / 6312.10.613.43.3
May17° / 7613.9015.14.7
Jun20° / 11°7612.20165.7
Jul22° / 13°7612.9015.76.2
Aug22° / 13°7712.4014.26.2
Sep18° / 10°6910.5012.45.4
Oct13° / 7411.70.110.53.3
Nov / 7512.81.58.80.9
Dec / 98144.280.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43664
53664
63664
73664
83664
93565
103565
113565
123565
133763
143763
153763
163862
173961
183961
193961
204060
214159
224159
234258
244357
254357
264456
274456
284555
294555
304456
314456

Chance of precipitation in July

Any precipitation

Arlon gets around 76 mm of rain over 12.9 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 41% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
241
341
442
542
642
742
842
942
1042
1142
1242
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2440
2540
2640
2740
2840
2940
3040
3140

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
166259
265269
364279
464279
563289
662299
762299
861309
961309
1061318
1161318
1260319
1360319
1460319
15593110
16593110
17583111
18573211
19563212
20563212
21553213
22543313
23533314
24523414
25523414
26513514
27513514
28503614
29503614
30493714
31493814

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 hours at the start of July to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over July. Sunrise moves from 4:39 AM to 5:10 AM, and sunset from 8:41 PM to 8:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.04:398:41
216.04:398:41
316.04:408:41
416.04:418:41
516.04:418:40
616.04:428:40
715.94:438:39
815.94:448:39
915.94:458:38
1015.94:458:38
1115.84:468:37
1215.84:478:36
1315.84:488:36
1415.84:498:35
1515.74:508:34
1615.74:518:33
1715.74:538:32
1815.64:548:31
1915.64:558:30
2015.64:568:29
2115.54:578:28
2215.54:588:27
2315.45:008:26
2415.45:018:25
2515.45:028:24
2615.35:038:22
2715.35:058:21
2815.25:068:20
2915.25:078:18
3015.15:098:17
3115.15:108:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.32 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.46 kWh/m² in June across the year — July's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Is July a good time to visit Arlon?

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

6.2
Sightseeing
1st-best month of the year
4.2
Beach & pool
1st-best month of the year

July is a reasonable time to visit Arlon for sightseeing.

What to pack for Arlon in July

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

In July, Arlon sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Arlon in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arlon peaks around July 16 at about 7 (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 16UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Arlon 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 Arlon is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1516 µg/m³Dec 109 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr16Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug12Moderate
Sep12Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Arlon?

Arlon sits at 49.7°N, 5.8°E, 421 m above sea level, in Belgium. The nearest listed city is Esch-sur-Alzette, 24 km away.

Esch-sur-AlzetteLuxembourgDudelangeThionvilleYutzKonz

Topography around Arlon

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

Within 3 km, the terrain around Arlon has only modest variations in elevation — a maximum elevation change of 176 m around an average of 382 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 288 m; within 80 km, large variations in elevation — a maximum elevation change of 613 m.

The land around Arlon is covered by trees (40%) and grassland (30%) within 3 km, trees (46%) and grassland (34%) within 16 km, and trees (49%), grassland (25%) and cropland (22%) within 80 km.

3 km
176 m
16 km
288 m
80 km
613 m
treesgrasslandcroplandartificial surfaces
July weather nearby: Esch-sur-Alzette 24 km · Luxembourg 24 km · Dudelange 30 km · Hayange 43 km · Thionville 44 km · Yutz 45 km · Konz 55 km · Trier 60 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 Arlon (49.6833°, 5.8167°, elevation 421 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).