Alsdorf in Summer

In summer (June, July and August), Alsdorf sees average daytime highs around 22°C and overnight lows near 14°C, with 205 mm of rain over about 36 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels dry.

Summer is Alsdorf's best season of the year to visit on our travel score. For the whole year in context, see Alsdorf's year-round climate.

Avg daytime high
22°C
warmest season of the year
Avg overnight low
14°C
Rainfall
205 mm
36 wet days
Avg wind
11 km/h
Travel score
6.3
best season of the year
Months
Jun · Jul · Aug

Temperature in Alsdorf in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 22°C.

A typical summer day in Alsdorf reaches about 22°C and drops to 14°C overnight. The warmest of the three months is July, the coolest June.

10°20°30°JunJulAug

How summer really feels in Alsdorf

Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Alsdorf weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6212.91.98.20.2
Feb / 5611.62.99.70.6
Mar10° / 5712.3111.52.2
Apr14° / 4610.50.113.54.1
May18° / 5511.2015.35.5
Jun21° / 12°6511.4016.26.1
Jul23° / 14°7212.6015.86.4
Aug23° / 14°6811.6014.36.5
Sep19° / 11°6010.3012.45.9
Oct15° / 6011.3010.44.1
Nov / 6212.50.58.71.8
Dec / 7113.72.47.80.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Alsdorf gets around 205 mm of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 11 km/h across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 15 h 54 min in early June to 13 h 24 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Alsdorf?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.3
Sightseeing
1st-best month of the year
4.6
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Alsdorf for sightseeing.

What to pack for Alsdorf in Summer

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

In summer, Alsdorf sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 36 days see rain.

light clothesrain gearsun protection

UV index in Alsdorf in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Alsdorf peaks around July 15 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 15UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Alsdorf in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Alsdorf is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1315 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug13Moderate
Sep12Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Alsdorf?

Alsdorf sits at 50.9°N, 6.2°E, 167 m above sea level, in Germany. The nearest listed city is Baesweiler, 4.0 km away.

Topography around Alsdorf

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

Within 3 km, the terrain around Alsdorf has only modest variations in elevation — a maximum elevation change of 134 m around an average of 152 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 396 m; within 80 km, large variations in elevation — a maximum elevation change of 1,012 m.

The land around Alsdorf is covered by cropland (38%), trees (31%) and artificial surfaces (20%) within 3 km, cropland (37%) and trees (27%) within 16 km, and trees (40%), cropland (25%) and grassland (23%) within 80 km.

3 km
134 m
16 km
396 m
80 km
1,012 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Baesweiler 4.0 km · Herzogenrath 5.0 km · Übach-Palenberg 5.0 km · Würselen 7.0 km · Kerkrade 7.0 km · Eschweiler 10 km · Geilenkirchen 11 km · Stolberg 12 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Alsdorf (50.8767°, 6.164°, elevation 167 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.