Grivegnée weather in May

In May, Grivegnée sees average daytime highs of 17°C and overnight lows near 9°C, with 67 mm of rain across 13 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Grivegnée's 6th-clearest and 9th-windiest month. For the whole year in context, see Grivegnée's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
67 mm
13 wet days
Daylight
15 h 18 min
4:56 AM – 8:11 PM
Cloud cover
69%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
5.01 kWh/m²
Travel score
5.0
out of 10

Grivegnée is section of Liège, Belgium.

Density
4,433/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Grivegnée reaches about 17°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1167
2167
3167
4167
5167
6168
7168
8168
9168
10168
11178
12178
13178
14178
15178
16178
17179
18179
19189
20189
21189
22189
23189
24189
251810
261810
271910
281910
291910
301910
311910

How May really feels in Grivegnée

Once humidity and wind are folded in, May 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

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

Grivegnée weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8113.92.88.30.0
Feb / 7212.33.89.70.3
Mar10° / 7314.12.111.51.9
Apr13° / 5812.10.313.53.6
May17° / 6713015.25.0
Jun20° / 11°7512.8016.25.7
Jul22° / 13°7913.1015.86.2
Aug22° / 13°8112.7014.36.2
Sep18° / 10°6711.6012.45.5
Oct14° / 6712.4010.43.6
Nov / 7413.71.28.71.4
Dec / 9315.23.47.80.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52872
62971
72971
82971
92971
102971
112971
123070
133070
143070
153070
163070
173070
183070
193169
203070
213070
223169
233169
243070
252971
263070
273070
283070
293070
303070
313169

Chance of precipitation in May

Any precipitation

Grivegnée gets around 67 mm of rain over 13 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
344
444
544
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1742
1842
1942
2042
2142
2242
2342
2441
2541
2641
2741
2842
2942
3043
3143

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49820
59820
69730
79730
89730
99730
109640
119640
129640
139550
149550
159550
169460
179460
189370
199271
209181
219181
229091
2388102
2487112
2586122
2684133
2783143
2881154
2980164
3078175
3177185

Wind in May

Winds average 13 km/h in May.

Across May, 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 24 min at the start of May to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 5:21 AM to 4:39 AM, and sunset from 7:48 PM to 8:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:217:48
214.55:197:50
314.65:187:51
414.65:167:53
514.75:147:55
614.75:127:56
714.85:107:58
814.85:097:59
914.95:078:01
1014.95:058:02
1115.05:048:04
1215.15:028:05
1315.15:018:07
1415.24:598:08
1515.24:588:10
1615.34:568:11
1715.34:558:13
1815.34:538:14
1915.44:528:16
2015.44:518:17
2115.54:498:18
2215.54:488:20
2315.64:478:21
2415.64:468:22
2515.64:458:24
2615.74:448:25
2715.74:438:26
2815.84:428:27
2915.84:418:29
3015.84:408:30
3115.94:398:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.31 kWh/m² in June across the year — May's 5.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Grivegnée?

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

5.0
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Grivegnée for sightseeing.

What to pack for Grivegnée in May

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

In May, Grivegnée sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Grivegnée in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Grivegnée peaks around July 13 at about 6 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Grivegnée in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Grivegnée is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1218 µg/m³Dec 1011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar17Moderate
Apr18Moderate
May15Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Grivegnée?

Grivegnée sits at 50.6°N, 5.6°E, 99 m above sea level, in Belgium. The nearest listed city is Liège, 3.0 km away.

Topography around Grivegnée

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

Within 3 km, the terrain around Grivegnée has only modest variations in elevation — a maximum elevation change of 186 m around an average of 113 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 321 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.

The land around Grivegnée is covered by artificial surfaces (43%) and trees (42%) within 3 km, trees (38%) and grassland (27%) within 16 km, and trees (41%), grassland (26%) and cropland (26%) within 80 km.

3 km
186 m
16 km
321 m
80 km
1,000 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Liège 3.0 km · Chaudfontaine 5.0 km · Herstal 5.0 km · Fléron 5.0 km · Saint-Nicolas 6.0 km · Ans 8.0 km · Seraing 9.0 km · Soumagne 10 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 Grivegnée (50.6215°, 5.611°, elevation 99 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).