Leuven weather in June

In June, Leuven sees average daytime highs of 21°C and overnight lows near 12°C, with 67 mm of rain across 11.3 wet days and about 16.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 15% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 54 min at the start of June to 16 h 18 min by month's end. Set against the rest of the year, June is Leuven's 6th-clearest and 10th-windiest month. For the whole year in context, see Leuven's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
67 mm
11.3 wet days
Daylight
16 h 18 min
4:34 AM – 8:49 PM
Cloud cover
69%
6th clearest
Wind
12 km/h
10th windiest
Solar energy
5.28 kWh/m²
Travel score
6.0
out of 10

Leuven is town in Leuven municipality, Belgium.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical June day in Leuven reaches about 21°C in the afternoon and slips back to 12°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 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52012
62012
72012
82012
92012
102112
112112
122112
132112
142112
152112
162112
172112
182112
192112
202113
212113
222113
232213
242213
252213
262213
272213
282213
292213
302213

How June really feels in Leuven

Once humidity and wind are folded in, June 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

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Leuven weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6211.81.18.20.4
Feb / 5610.91.39.70.8
Mar11° / 5511.80.711.52.4
Apr15° / 4610.7013.54.2
May18° / 5912.2015.35.4
Jun21° / 12°6711.3016.26.0
Jul23° / 14°7212.5015.86.4
Aug23° / 14°7312014.36.4
Sep19° / 11°5310.4012.45.9
Oct15° / 5811.1010.44.2
Nov10° / 6211.60.38.72.0
Dec / 7212.91.37.80.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23466
33268
43268
53268
63268
73169
83169
93169
103169
113169
123070
133070
143070
152971
162971
172971
182971
193070
203070
213169
223268
233268
243367
253466
263466
273565
283565
293565
303565

Chance of precipitation in June

Any precipitation

Leuven gets around 67 mm of rain over 11.3 wet days in June. 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 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
243
343
443
543
643
742
842
942
1041
1141
1240
1339
1438
1537
1636
1735
1835
1934
2034
2134
2233
2334
2434
2534
2634
2735
2836
2936
3037

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1742060
2722170
3722170
4722170
5712270
6702280
7712270
8712270
9702370
10692371
11692371
12692371
13692371
14692371
15712261
16712261
17712261
18712261
19712261
20712261
21692371
22692371
23672481
24662581
25652591
26642691
276227101
286128101
295929111
305731111

Wind in June

Winds average 12 km/h in June.

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

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 54 min at the start of June to 16 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 4:41 AM to 4:37 AM, and sunset from 8:37 PM to 8:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:418:37
216.04:408:38
316.04:398:39
416.04:388:40
516.14:388:41
616.14:378:42
716.14:368:43
816.14:368:44
916.24:358:45
1016.24:358:45
1116.24:358:46
1216.24:348:47
1316.24:348:48
1416.24:348:48
1516.34:348:49
1616.34:348:49
1716.34:348:50
1816.34:338:50
1916.34:338:51
2016.34:348:51
2116.34:348:51
2216.34:348:52
2316.34:348:52
2416.34:348:52
2516.34:358:52
2616.34:358:52
2716.34:358:52
2816.34:368:52
2916.34:368:52
3016.34:378:52

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.28 kWh/m² in June across the year — June's 5.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
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
295.3Bright
305.3Bright
Planning a trip in June

Is June a good time to visit Leuven?

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

6.0
Sightseeing
3rd-best month of the year
3.7
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Leuven for sightseeing.

What to pack for Leuven in June

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

In June, Leuven sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Leuven in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Leuven peaks around July 12 at about 6 (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 12UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Leuven in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Leuven is worst in April — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1317 µg/m³Dec 1511 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct13Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Leuven?

Leuven sits at 50.9°N, 4.7°E, 28 m above sea level, in Belgium. The nearest listed city is Heverlee, 2.0 km away.

Aarschot

Topography around Leuven

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

Within 3 km, the terrain around Leuven has only modest variations in elevation — a maximum elevation change of 84 m around an average of 40 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 457 m.

The land around Leuven is covered by artificial surfaces (41%) and trees (37%) within 3 km, trees (37%), cropland (29%) and grassland (21%) within 16 km, and cropland (32%), trees (31%) and grassland (24%) within 80 km.

3 km
84 m
16 km
138 m
80 km
457 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Heverlee 2.0 km · Blauwput 2.0 km · Kessel-Lo 3.0 km · Herent 4.0 km · Rotselaar 8.0 km · Kortenberg 11 km · Tervuren 15 km · Aarschot 15 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 Leuven (50.8796°, 4.7009°, elevation 28 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).